diff options
360 files changed, 2965 insertions, 1795 deletions
diff --git a/Documentation/networking/00-INDEX b/Documentation/networking/00-INDEX index fe5c099b8fc..4edd78dfb36 100644 --- a/Documentation/networking/00-INDEX +++ b/Documentation/networking/00-INDEX @@ -40,8 +40,6 @@ decnet.txt - info on using the DECnet networking layer in Linux. depca.txt - the Digital DEPCA/EtherWORKS DE1?? and DE2?? LANCE Ethernet driver -dgrs.txt - - the Digi International RightSwitch SE-X Ethernet driver dmfe.txt - info on the Davicom DM9102(A)/DM9132/DM9801 fast ethernet driver. e100.txt @@ -50,8 +48,6 @@ e1000.txt - info on Intel's E1000 line of gigabit ethernet boards eql.txt - serial IP load balancing -ethertap.txt - - the Ethertap user space packet reception and transmission driver ewrk3.txt - the Digital EtherWORKS 3 DE203/4/5 Ethernet driver filter.txt @@ -104,8 +100,6 @@ tuntap.txt - TUN/TAP device driver, allowing user space Rx/Tx of packets. vortex.txt - info on using 3Com Vortex (3c590, 3c592, 3c595, 3c597) Ethernet cards. -wavelan.txt - - AT&T GIS (nee NCR) WaveLAN card: An Ethernet-like radio transceiver x25.txt - general info on X.25 development. x25-iface.txt diff --git a/Documentation/networking/dns_resolver.txt b/Documentation/networking/dns_resolver.txt index aefd1e68180..04ca06325b0 100644 --- a/Documentation/networking/dns_resolver.txt +++ b/Documentation/networking/dns_resolver.txt @@ -61,7 +61,6 @@ before the more general line given above as the first match is the one taken. create dns_resolver foo:* * /usr/sbin/dns.foo %k - ===== USAGE ===== @@ -104,6 +103,14 @@ implemented in the module can be called after doing: returned also. +=============================== +READING DNS KEYS FROM USERSPACE +=============================== + +Keys of dns_resolver type can be read from userspace using keyctl_read() or +"keyctl read/print/pipe". + + ========= MECHANISM ========= diff --git a/MAINTAINERS b/MAINTAINERS index 8afba6321e2..f1bc3dc6b36 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1010,6 +1010,15 @@ L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers) S: Maintained F: arch/arm/mach-s5p*/ +ARM/SAMSUNG MOBILE MACHINE SUPPORT +M: Kyungmin Park <kyungmin.park@samsung.com> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +S: Maintained +F: arch/arm/mach-s5pv210/mach-aquila.c +F: arch/arm/mach-s5pv210/mach-goni.c +F: arch/arm/mach-exynos4/mach-universal_c210.c +F: arch/arm/mach-exynos4/mach-nuri.c + ARM/SAMSUNG S5P SERIES FIMC SUPPORT M: Kyungmin Park <kyungmin.park@samsung.com> M: Sylwester Nawrocki <s.nawrocki@samsung.com> @@ -1467,6 +1476,7 @@ F: include/net/bluetooth/ BONDING DRIVER M: Jay Vosburgh <fubar@us.ibm.com> +M: Andy Gospodarek <andy@greyhouse.net> L: netdev@vger.kernel.org W: http://sourceforge.net/projects/bonding/ S: Supported @@ -2033,7 +2043,7 @@ F: Documentation/scsi/dc395x.txt F: drivers/scsi/dc395x.* DCCP PROTOCOL -M: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> +M: Gerrit Renker <gerrit@erg.abdn.ac.uk> L: dccp@vger.kernel.org W: http://www.linuxfoundation.org/collaborate/workgroups/networking/dccp S: Maintained @@ -3519,7 +3529,7 @@ F: drivers/hwmon/jc42.c F: Documentation/hwmon/jc42 JFS FILESYSTEM -M: Dave Kleikamp <shaggy@linux.vnet.ibm.com> +M: Dave Kleikamp <shaggy@kernel.org> L: jfs-discussion@lists.sourceforge.net W: http://jfs.sourceforge.net/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6.git @@ -4282,10 +4292,7 @@ S: Maintained F: net/sched/sch_netem.c NETERION 10GbE DRIVERS (s2io/vxge) -M: Ramkrishna Vepa <ramkrishna.vepa@exar.com> -M: Sivakumar Subramani <sivakumar.subramani@exar.com> -M: Sreenivasa Honnur <sreenivasa.honnur@exar.com> -M: Jon Mason <jon.mason@exar.com> +M: Jon Mason <jdmason@kudzu.us> L: netdev@vger.kernel.org W: http://trac.neterion.com/cgi-bin/trac.cgi/wiki/Linux?Anonymous W: http://trac.neterion.com/cgi-bin/trac.cgi/wiki/X3100Linux?Anonymous @@ -5171,6 +5178,7 @@ F: drivers/char/random.c RAPIDIO SUBSYSTEM M: Matt Porter <mporter@kernel.crashing.org> +M: Alexandre Bounine <alexandre.bounine@idt.com> S: Maintained F: drivers/rapidio/ @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 38 -EXTRAVERSION = -rc7 +EXTRAVERSION = NAME = Flesh-Eating Bats with Fangs # *DOCUMENTATION* diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 47f63d48014..cc31bec2e31 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -11,6 +11,7 @@ config ALPHA select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_PROBE select AUTO_IRQ_AFFINITY if SMP + select GENERIC_HARDIRQS_NO_DEPRECATED help The Alpha is a 64-bit general-purpose processor designed and marketed by the Digital Equipment Corporation of blessed memory, diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c index 9ab234f48dd..a19d6008229 100644 --- a/arch/alpha/kernel/irq.c +++ b/arch/alpha/kernel/irq.c @@ -44,11 +44,16 @@ static char irq_user_affinity[NR_IRQS]; int irq_select_affinity(unsigned int irq) { - struct irq_desc *desc = irq_to_desc[irq]; + struct irq_data *data = irq_get_irq_data(irq); + struct irq_chip *chip; static int last_cpu; int cpu = last_cpu + 1; - if (!desc || !get_irq_desc_chip(desc)->set_affinity || irq_user_affinity[irq]) + if (!data) + return 1; + chip = irq_data_get_irq_chip(data); + + if (!chip->irq_set_affinity || irq_user_affinity[irq]) return 1; while (!cpu_possible(cpu) || @@ -56,8 +61,8 @@ int irq_select_affinity(unsigned int irq) cpu = (cpu < (NR_CPUS-1) ? cpu + 1 : 0); last_cpu = cpu; - cpumask_copy(desc->affinity, cpumask_of(cpu)); - get_irq_desc_chip(desc)->set_affinity(irq, cpumask_of(cpu)); + cpumask_copy(data->affinity, cpumask_of(cpu)); + chip->irq_set_affinity(data, cpumask_of(cpu), false); return 0; } #endif /* CONFIG_SMP */ diff --git a/arch/alpha/kernel/irq_alpha.c b/arch/alpha/kernel/irq_alpha.c index 2d0679b6093..411ca11d0a1 100644 --- a/arch/alpha/kernel/irq_alpha.c +++ b/arch/alpha/kernel/irq_alpha.c @@ -228,14 +228,9 @@ struct irqaction timer_irqaction = { void __init init_rtc_irq(void) { - struct irq_desc *desc = irq_to_desc(RTC_IRQ); - - if (desc) { - desc->status |= IRQ_DISABLED; - set_irq_chip_and_handler_name(RTC_IRQ, &no_irq_chip, - handle_simple_irq, "RTC"); - setup_irq(RTC_IRQ, &timer_irqaction); - } + set_irq_chip_and_handler_name(RTC_IRQ, &no_irq_chip, + handle_simple_irq, "RTC"); + setup_irq(RTC_IRQ, &timer_irqaction); } /* Dummy irqactions. */ diff --git a/arch/alpha/kernel/irq_i8259.c b/arch/alpha/kernel/irq_i8259.c index 956ea0ed169..c7cc9813e45 100644 --- a/arch/alpha/kernel/irq_i8259.c +++ b/arch/alpha/kernel/irq_i8259.c @@ -33,10 +33,10 @@ i8259_update_irq_hw(unsigned int irq, unsigned long mask) } inline void -i8259a_enable_irq(unsigned int irq) +i8259a_enable_irq(struct irq_data *d) { spin_lock(&i8259_irq_lock); - i8259_update_irq_hw(irq, cached_irq_mask &= ~(1 << irq)); + i8259_update_irq_hw(d->irq, cached_irq_mask &= ~(1 << d->irq)); spin_unlock(&i8259_irq_lock); } @@ -47,16 +47,18 @@ __i8259a_disable_irq(unsigned int irq) } void -i8259a_disable_irq(unsigned int irq) +i8259a_disable_irq(struct irq_data *d) { spin_lock(&i8259_irq_lock); - __i8259a_disable_irq(irq); + __i8259a_disable_irq(d->irq); spin_unlock(&i8259_irq_lock); } void -i8259a_mask_and_ack_irq(unsigned int irq) +i8259a_mask_and_ack_irq(struct irq_data *d) { + unsigned int irq = d->irq; + spin_lock(&i8259_irq_lock); __i8259a_disable_irq(irq); @@ -71,9 +73,9 @@ i8259a_mask_and_ack_irq(unsigned int irq) struct irq_chip i8259a_irq_type = { .name = "XT-PIC", - .unmask = i8259a_enable_irq, - .mask = i8259a_disable_irq, - .mask_ack = i8259a_mask_and_ack_irq, + .irq_unmask = i8259a_enable_irq, + .irq_mask = i8259a_disable_irq, + .irq_mask_ack = i8259a_mask_and_ack_irq, }; void __init diff --git a/arch/alpha/kernel/irq_impl.h b/arch/alpha/kernel/irq_impl.h index b63ccd7386f..d507a234b05 100644 --- a/arch/alpha/kernel/irq_impl.h +++ b/arch/alpha/kernel/irq_impl.h @@ -31,11 +31,9 @@ extern void init_rtc_irq(void); extern void common_init_isa_dma(void); -extern void i8259a_enable_irq(unsigned int); -extern void i8259a_disable_irq(unsigned int); -extern void i8259a_mask_and_ack_irq(unsigned int); -extern unsigned int i8259a_startup_irq(unsigned int); -extern void i8259a_end_irq(unsigned int); +extern void i8259a_enable_irq(struct irq_data *d); +extern void i8259a_disable_irq(struct irq_data *d); +extern void i8259a_mask_and_ack_irq(struct irq_data *d); extern struct irq_chip i8259a_irq_type; extern void init_i8259a_irqs(void); diff --git a/arch/alpha/kernel/irq_pyxis.c b/arch/alpha/kernel/irq_pyxis.c index 2863458c853..b30227fa7f5 100644 --- a/arch/alpha/kernel/irq_pyxis.c +++ b/arch/alpha/kernel/irq_pyxis.c @@ -29,21 +29,21 @@ pyxis_update_irq_hw(unsigned long mask) } static inline void -pyxis_enable_irq(unsigned int irq) +pyxis_enable_irq(struct irq_data *d) { - pyxis_update_irq_hw(cached_irq_mask |= 1UL << (irq - 16)); + pyxis_update_irq_hw(cached_irq_mask |= 1UL << (d->irq - 16)); } static void -pyxis_disable_irq(unsigned int irq) +pyxis_disable_irq(struct irq_data *d) { - pyxis_update_irq_hw(cached_irq_mask &= ~(1UL << (irq - 16))); + pyxis_update_irq_hw(cached_irq_mask &= ~(1UL << (d->irq - 16))); } static void -pyxis_mask_and_ack_irq(unsigned int irq) +pyxis_mask_and_ack_irq(struct irq_data *d) { - unsigned long bit = 1UL << (irq - 16); + unsigned long bit = 1UL << (d->irq - 16); unsigned long mask = cached_irq_mask &= ~bit; /* Disable the interrupt. */ @@ -58,9 +58,9 @@ pyxis_mask_and_ack_irq(unsigned int irq) static struct irq_chip pyxis_irq_type = { .name = "PYXIS", - .mask_ack = pyxis_mask_and_ack_irq, - .mask = pyxis_disable_irq, - .unmask = pyxis_enable_irq, + .irq_mask_ack = pyxis_mask_and_ack_irq, + .irq_mask = pyxis_disable_irq, + .irq_unmask = pyxis_enable_irq, }; void @@ -103,7 +103,7 @@ init_pyxis_irqs(unsigned long ignore_mask) if ((ignore_mask >> i) & 1) continue; set_irq_chip_and_handler(i, &pyxis_irq_type, handle_level_irq); - irq_to_desc(i)->status |= IRQ_LEVEL; + irq_set_status_flags(i, IRQ_LEVEL); } setup_irq(16+7, &isa_cascade_irqaction); diff --git a/arch/alpha/kernel/irq_srm.c b/arch/alpha/kernel/irq_srm.c index 0e57e828b41..82a47bba41c 100644 --- a/arch/alpha/kernel/irq_srm.c +++ b/arch/alpha/kernel/irq_srm.c @@ -18,27 +18,27 @@ DEFINE_SPINLOCK(srm_irq_lock); static inline void -srm_enable_irq(unsigned int irq) +srm_enable_irq(struct irq_data *d) { spin_lock(&srm_irq_lock); - cserve_ena(irq - 16); + cserve_ena(d->irq - 16); spin_unlock(&srm_irq_lock); } static void -srm_disable_irq(unsigned int irq) +srm_disable_irq(struct irq_data *d) { spin_lock(&srm_irq_lock); - cserve_dis(irq - 16); + cserve_dis(d->irq - 16); spin_unlock(&srm_irq_lock); } /* Handle interrupts from the SRM, assuming no additional weirdness. */ static struct irq_chip srm_irq_type = { .name = "SRM", - .unmask = srm_enable_irq, - .mask = srm_disable_irq, - .mask_ack = srm_disable_irq, + .irq_unmask = srm_enable_irq, + .irq_mask = srm_disable_irq, + .irq_mask_ack = srm_disable_irq, }; void __init @@ -52,7 +52,7 @@ init_srm_irqs(long max, unsigned long ignore_mask) if (i < 64 && ((ignore_mask >> i) & 1)) continue; set_irq_chip_and_handler(i, &srm_irq_type, handle_level_irq); - irq_to_desc(i)->status |= IRQ_LEVEL; + irq_set_status_flags(i, IRQ_LEVEL); } } diff --git a/arch/alpha/kernel/sys_alcor.c b/arch/alpha/kernel/sys_alcor.c index 7bef6176823..88d95e872f5 100644 --- a/arch/alpha/kernel/sys_alcor.c +++ b/arch/alpha/kernel/sys_alcor.c @@ -44,31 +44,31 @@ alcor_update_irq_hw(unsigned long mask) } static inline void -alcor_enable_irq(unsigned int irq) +alcor_enable_irq(struct irq_data *d) { - alcor_update_irq_hw(cached_irq_mask |= 1UL << (irq - 16)); + alcor_update_irq_hw(cached_irq_mask |= 1UL << (d->irq - 16)); } static void -alcor_disable_irq(unsigned int irq) +alcor_disable_irq(struct irq_data *d) { - alcor_update_irq_hw(cached_irq_mask &= ~(1UL << (irq - 16))); + alcor_update_irq_hw(cached_irq_mask &= ~(1UL << (d->irq - 16))); } static void -alcor_mask_and_ack_irq(unsigned int irq) +alcor_mask_and_ack_irq(struct irq_data *d) { - alcor_disable_irq(irq); + alcor_disable_irq(d); /* On ALCOR/XLT, need to dismiss interrupt via GRU. */ - *(vuip)GRU_INT_CLEAR = 1 << (irq - 16); mb(); + *(vuip)GRU_INT_CLEAR = 1 << (d->irq - 16); mb(); *(vuip)GRU_INT_CLEAR = 0; mb(); } static void -alcor_isa_mask_and_ack_irq(unsigned int irq) +alcor_isa_mask_and_ack_irq(struct irq_data *d) { - i8259a_mask_and_ack_irq(irq); + i8259a_mask_and_ack_irq(d); /* On ALCOR/XLT, need to dismiss interrupt via GRU. */ *(vuip)GRU_INT_CLEAR = 0x80000000; mb(); @@ -77,9 +77,9 @@ alcor_isa_mask_and_ack_irq(unsigned int irq) static struct irq_chip alcor_irq_type = { .name = "ALCOR", - .unmask = alcor_enable_irq, - .mask = alcor_disable_irq, - .mask_ack = alcor_mask_and_ack_irq, + .irq_unmask = alcor_enable_irq, + .irq_mask = alcor_disable_irq, + .irq_mask_ack = alcor_mask_and_ack_irq, }; static void @@ -126,9 +126,9 @@ alcor_init_irq(void) if (i >= 16+20 && i <= 16+30) continue; set_irq_chip_and_handler(i, &alcor_irq_type, handle_level_irq); - irq_to_desc(i)->status |= IRQ_LEVEL; + irq_set_status_flags(i, IRQ_LEVEL); } - i8259a_irq_type.ack = alcor_isa_mask_and_ack_irq; + i8259a_irq_type.irq_ack = alcor_isa_mask_and_ack_irq; init_i8259a_irqs(); common_init_isa_dma(); diff --git a/arch/alpha/kernel/sys_cabriolet.c b/arch/alpha/kernel/sys_cabriolet.c index b0c916493ae..57eb6307bc2 100644 --- a/arch/alpha/kernel/sys_cabriolet.c +++ b/arch/alpha/kernel/sys_cabriolet.c @@ -46,22 +46,22 @@ cabriolet_update_irq_hw(unsigned int irq, unsigned long mask) } static inline void -cabriolet_enable_irq(unsigned int irq) +cabriolet_enable_irq(struct irq_data *d) { - cabriolet_update_irq_hw(irq, cached_irq_mask &= ~(1UL << irq)); + cabriolet_update_irq_hw(d->irq, cached_irq_mask &= ~(1UL << d->irq)); } static void -cabriolet_disable_irq(unsigned int irq) +cabriolet_disable_irq(struct irq_data *d) { - cabriolet_update_irq_hw(irq, cached_irq_mask |= 1UL << irq); + cabriolet_update_irq_hw(d->irq, cached_irq_mask |= 1UL << d->irq); } static struct irq_chip cabriolet_irq_type = { .name = "CABRIOLET", - .unmask = cabriolet_enable_irq, - .mask = cabriolet_disable_irq, - .mask_ack = cabriolet_disable_irq, + .irq_unmask = cabriolet_enable_irq, + .irq_mask = cabriolet_disable_irq, + .irq_mask_ack = cabriolet_disable_irq, }; static void @@ -107,7 +107,7 @@ common_init_irq(void (*srm_dev_int)(unsigned long v)) for (i = 16; i < 35; ++i) { set_irq_chip_and_handler(i, &cabriolet_irq_type, handle_level_irq); - irq_to_desc(i)->status |= IRQ_LEVEL; + irq_set_status_flags(i, IRQ_LEVEL); } } diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c index edad5f759cc..481df4ecb65 100644 --- a/arch/alpha/kernel/sys_dp264.c +++ b/arch/alpha/kernel/sys_dp264.c @@ -98,37 +98,37 @@ tsunami_update_irq_hw(unsigned long mask) } static void -dp264_enable_irq(unsigned int irq) +dp264_enable_irq(struct irq_data *d) { spin_lock(&dp264_irq_lock); - cached_irq_mask |= 1UL << irq; + cached_irq_mask |= 1UL << d->irq; tsunami_update_irq_hw(cached_irq_mask); spin_unlock(&dp264_irq_lock); } static void -dp264_disable_irq(unsigned int irq) +dp264_disable_irq(struct irq_data *d) { spin_lock(&dp264_irq_lock); - cached_irq_mask &= ~(1UL << irq); + cached_irq_mask &= ~(1UL << d->irq); tsunami_update_irq_hw(cached_irq_mask); spin_unlock(&dp264_irq_lock); } static void -clipper_enable_irq(unsigned int irq) +clipper_enable_irq(struct irq_data *d) { spin_lock(&dp264_irq_lock); - cached_irq_mask |= 1UL << (irq - 16); + cached_irq_mask |= 1UL << (d->irq - 16); tsunami_update_irq_hw(cached_irq_mask); spin_unlock(&dp264_irq_lock); } static void -clipper_disable_irq(unsigned int irq) +clipper_disable_irq(struct irq_data *d) { spin_lock(&dp264_irq_lock); - cached_irq_mask &= ~(1UL << (irq - 16)); + cached_irq_mask &= ~(1UL << (d->irq - 16)); tsunami_update_irq_hw(cached_irq_mask); spin_unlock(&dp264_irq_lock); } @@ -149,10 +149,11 @@ cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) } static int -dp264_set_affinity(unsigned int irq, const struct cpumask *affinity) -{ +dp264_set_affinity(struct irq_data *d, const struct cpumask *affinity, + bool force) +{ spin_lock(&dp264_irq_lock); - cpu_set_irq_affinity(irq, *affinity); + cpu_set_irq_affinity(d->irq, *affinity); tsunami_update_irq_hw(cached_irq_mask); spin_unlock(&dp264_irq_lock); @@ -160,10 +161,11 @@ dp264_set_affinity(unsigned int irq, const struct cpumask *affinity) } static int -clipper_set_affinity(unsigned int irq, const struct cpumask *affinity) -{ +clipper_set_affinity(struct irq_data *d, const struct cpumask *affinity, + bool force) +{ spin_lock(&dp264_irq_lock); - cpu_set_irq_affinity(irq - 16, *affinity); + cpu_set_irq_affinity(d->irq - 16, *affinity); tsunami_update_irq_hw(cached_irq_mask); spin_unlock(&dp264_irq_lock); @@ -171,19 +173,19 @@ clipper_set_affinity(unsigned int irq, const struct cpumask *affinity) } static struct irq_chip dp264_irq_type = { - .name = "DP264", - .unmask = dp264_enable_irq, - .mask = dp264_disable_irq, - .mask_ack = dp264_disable_irq, - .set_affinity = dp264_set_affinity, + .name = "DP264", + .irq_unmask = dp264_enable_irq, + .irq_mask = dp264_disable_irq, + .irq_mask_ack = dp264_disable_irq, + .irq_set_affinity = dp264_set_affinity, }; static struct irq_chip clipper_irq_type = { - .name = "CLIPPER", - .unmask = clipper_enable_irq, - .mask = clipper_disable_irq, - .mask_ack = clipper_disable_irq, - .set_affinity = clipper_set_affinity, + .name = "CLIPPER", + .irq_unmask = clipper_enable_irq, + .irq_mask = clipper_disable_irq, + .irq_mask_ack = clipper_disable_irq, + .irq_set_affinity = clipper_set_affinity, }; static void @@ -268,8 +270,8 @@ init_tsunami_irqs(struct irq_chip * ops, int imin, int imax) { long i; for (i = imin; i <= imax; ++i) { - irq_to_desc(i)->status |= IRQ_LEVEL; set_irq_chip_and_handler(i, ops, handle_level_irq); + irq_set_status_flags(i, IRQ_LEVEL); } } diff --git a/arch/alpha/kernel/sys_eb64p.c b/arch/alpha/kernel/sys_eb64p.c index ae5f29d127b..402e908ffb3 100644 --- a/arch/alpha/kernel/sys_eb64p.c +++ b/arch/alpha/kernel/sys_eb64p.c @@ -44,22 +44,22 @@ eb64p_update_irq_hw(unsigned int irq, unsigned long mask) } static inline void -eb64p_enable_irq(unsigned int irq) +eb64p_enable_irq(struct irq_data *d) { - eb64p_update_irq_hw(irq, cached_irq_mask &= ~(1 << irq)); + eb64p_update_irq_hw(d->irq, cached_irq_mask &= ~(1 << d->irq)); } static void -eb64p_disable_irq(unsigned int irq) +eb64p_disable_irq(struct irq_data *d) { - eb64p_update_irq_hw(irq, cached_irq_mask |= 1 << irq); + eb64p_update_irq_hw(d->irq, cached_irq_mask |= 1 << d->irq); } static struct irq_chip eb64p_irq_type = { .name = "EB64P", - .unmask = eb64p_enable_irq, - .mask = eb64p_disable_irq, - .mask_ack = eb64p_disable_irq, + .irq_unmask = eb64p_enable_irq, + .irq_mask = eb64p_disable_irq, + .irq_mask_ack = eb64p_disable_irq, }; static void @@ -118,9 +118,9 @@ eb64p_init_irq(void) init_i8259a_irqs(); for (i = 16; i < 32; ++i) { - irq_to_desc(i)->status |= IRQ_LEVEL; set_irq_chip_and_handler(i, &eb64p_irq_type, handle_level_irq); - } + irq_set_status_flags(i, IRQ_LEVEL); + } common_init_isa_dma(); setup_irq(16+5, &isa_cascade_irqaction); diff --git a/arch/alpha/kernel/sys_eiger.c b/arch/alpha/kernel/sys_eiger.c index 1121bc5c6c6..0b44a54c152 100644 --- a/arch/alpha/kernel/sys_eiger.c +++ b/arch/alpha/kernel/sys_eiger.c @@ -51,16 +51,18 @@ eiger_update_irq_hw(unsigned long irq, unsigned long mask) } static inline void -eiger_enable_irq(unsigned int irq) +eiger_enable_irq(struct irq_data *d) { + unsigned int irq = d->irq; unsigned long mask; mask = (cached_irq_mask[irq >= 64] &= ~(1UL << (irq & 63))); eiger_update_irq_hw(irq, mask); } static void -eiger_disable_irq(unsigned int irq) +eiger_disable_irq(struct irq_data *d) { + unsigned int irq = d->irq; unsigned long mask; mask = (cached_irq_mask[irq >= 64] |= 1UL << (irq & 63)); eiger_update_irq_hw(irq, mask); @@ -68,9 +70,9 @@ eiger_disable_irq(unsigned int irq) static struct irq_chip eiger_irq_type = { .name = "EIGER", - .unmask = eiger_enable_irq, - .mask = eiger_disable_irq, - .mask_ack = eiger_disable_irq, + .irq_unmask = eiger_enable_irq, + .irq_mask = eiger_disable_irq, + .irq_mask_ack = eiger_disable_irq, }; static void @@ -136,8 +138,8 @@ eiger_init_irq(void) init_i8259a_irqs(); for (i = 16; i < 128; ++i) { - irq_to_desc(i)->status |= IRQ_LEVEL; set_irq_chip_and_handler(i, &eiger_irq_type, handle_level_irq); + irq_set_status_flags(i, IRQ_LEVEL); } } diff --git a/arch/alpha/kernel/sys_jensen.c b/arch/alpha/kernel/sys_jensen.c index 34f55e03d33..00341b75c8b 100644 --- a/arch/alpha/kernel/sys_jensen.c +++ b/arch/alpha/kernel/sys_jensen.c @@ -63,34 +63,34 @@ */ static void -jensen_local_enable(unsigned int irq) +jensen_local_enable(struct irq_data *d) { /* the parport is really hw IRQ 1, silly Jensen. */ - if (irq == 7) - i8259a_enable_irq(1); + if (d->irq == 7) + i8259a_enable_irq(d); } static void -jensen_local_disable(unsigned int irq) +jensen_local_disable(struct irq_data *d) { /* the parport is really hw IRQ 1, silly Jensen. */ - if (irq == 7) - i8259a_disable_irq(1); + if (d->irq == 7) + i8259a_disable_irq(d); } static void -jensen_local_mask_ack(unsigned int irq) +jensen_local_mask_ack(struct irq_data *d) { /* the parport is really hw IRQ 1, silly Jensen. */ - if (irq == 7) - i8259a_mask_and_ack_irq(1); + if (d->irq == 7) + i8259a_mask_and_ack_irq(d); } static struct irq_chip jensen_local_irq_type = { .name = "LOCAL", - .unmask = jensen_local_enable, - .mask = jensen_local_disable, - .mask_ack = jensen_local_mask_ack, + .irq_unmask = jensen_local_enable, + .irq_mask = jensen_local_disable, + .irq_mask_ack = jensen_local_mask_ack, }; static void diff --git a/arch/alpha/kernel/sys_marvel.c b/arch/alpha/kernel/sys_marvel.c index 2bfc9f1b1dd..e61910734e4 100644 --- a/arch/alpha/kernel/sys_marvel.c +++ b/arch/alpha/kernel/sys_marvel.c @@ -104,9 +104,10 @@ io7_get_irq_ctl(unsigned int irq, struct io7 **pio7) } static void -io7_enable_irq(unsigned int irq) +io7_enable_irq(struct irq_data *d) { volatile unsigned long *ctl; + unsigned int irq = d->irq; struct io7 *io7; ctl = io7_get_irq_ctl(irq, &io7); @@ -115,7 +116,7 @@ io7_enable_irq(unsigned int irq) __func__, irq); return; } - + spin_lock(&io7->irq_lock); *ctl |= 1UL << 24; mb(); @@ -124,9 +125,10 @@ io7_enable_irq(unsigned int irq) } static void -io7_disable_irq(unsigned int irq) +io7_disable_irq(struct irq_data *d) { volatile unsigned long *ctl; + unsigned int irq = d->irq; struct io7 *io7; ctl = io7_get_irq_ctl(irq, &io7); @@ -135,7 +137,7 @@ io7_disable_irq(unsigned int irq) __func__, irq); return; } - + spin_lock(&io7->irq_lock); *ctl &= ~(1UL << 24); mb(); @@ -144,35 +146,29 @@ io7_disable_irq(unsigned int irq) } static void -marvel_irq_noop(unsigned int irq) -{ - return; -} - -static unsigned int -marvel_irq_noop_return(unsigned int irq) -{ - return 0; +marvel_irq_noop(struct irq_data *d) +{ + return; } static struct irq_chip marvel_legacy_irq_type = { .name = "LEGACY", - .mask = marvel_irq_noop, - .unmask = marvel_irq_noop, + .irq_mask = marvel_irq_noop, + .irq_unmask = marvel_irq_noop, }; static struct irq_chip io7_lsi_irq_type = { .name = "LSI", - .unmask = io7_enable_irq, - .mask = io7_disable_irq, - .mask_ack = io7_disable_irq, + .irq_unmask = io7_enable_irq, + .irq_mask = io7_disable_irq, + .irq_mask_ack = io7_disable_irq, }; static struct irq_chip io7_msi_irq_type = { .name = "MSI", - .unmask = io7_enable_irq, - .mask = io7_disable_irq, - .ack = marvel_irq_noop, + .irq_unmask = io7_enable_irq, + .irq_mask = io7_disable_irq, + .irq_ack = marvel_irq_noop, }; static void @@ -280,8 +276,8 @@ init_io7_irqs(struct io7 *io7, /* Set up the lsi irqs. */ for (i = 0; i < 128; ++i) { - irq_to_desc(base + i)->status |= IRQ_LEVEL; set_irq_chip_and_handler(base + i, lsi_ops, handle_level_irq); + irq_set_status_flags(i, IRQ_LEVEL); } /* Disable the implemented irqs in hardware. */ @@ -294,8 +290,8 @@ init_io7_irqs(struct io7 *io7, /* Set up the msi irqs. */ for (i = 128; i < (128 + 512); ++i) { - irq_to_desc(base + i)->status |= IRQ_LEVEL; set_irq_chip_and_handler(base + i, msi_ops, handle_level_irq); + irq_set_status_flags(i, IRQ_LEVEL); } for (i = 0; i < 16; ++i) diff --git a/arch/alpha/kernel/sys_mikasa.c b/arch/alpha/kernel/sys_mikasa.c index bcc1639e8ef..cf7f43dd314 100644 --- a/arch/alpha/kernel/sys_mikasa.c +++ b/arch/alpha/kernel/sys_mikasa.c @@ -43,22 +43,22 @@ mikasa_update_irq_hw(int mask) } static inline void -mikasa_enable_irq(unsigned int irq) +mikasa_enable_irq(struct irq_data *d) { - mikasa_update_irq_hw(cached_irq_mask |= 1 << (irq - 16)); + mikasa_update_irq_hw(cached_irq_mask |= 1 << (d->irq - 16)); } static void -mikasa_disable_irq(unsigned int irq) +mikasa_disable_irq(struct irq_data *d) { - mikasa_update_irq_hw(cached_irq_mask &= ~(1 << (irq - 16))); + mikasa_update_irq_hw(cached_irq_mask &= ~(1 << (d->irq - 16))); } static struct irq_chip mikasa_irq_type = { .name = "MIKASA", - .unmask = mikasa_enable_irq, - .mask = mikasa_disable_irq, - .mask_ack = mikasa_disable_irq, + .irq_unmask = mikasa_enable_irq, + .irq_mask = mikasa_disable_irq, + .irq_mask_ack = mikasa_disable_irq, }; static void @@ -98,8 +98,8 @@ mikasa_init_irq(void) mikasa_update_irq_hw(0); for (i = 16; i < 32; ++i) { - irq_to_desc(i)->status |= IRQ_LEVEL; set_irq_chip_and_handler(i, &mikasa_irq_type, handle_level_irq); + irq_set_status_flags(i, IRQ_LEVEL); } init_i8259a_irqs(); diff --git a/arch/alpha/kernel/sys_noritake.c b/arch/alpha/kernel/sys_noritake.c index e88f4ae1260..92bc188e94a 100644 --- a/arch/alpha/kernel/sys_noritake.c +++ b/arch/alpha/kernel/sys_noritake.c @@ -48,22 +48,22 @@ noritake_update_irq_hw(int irq, int mask) } static void -noritake_enable_irq(unsigned int irq) +noritake_enable_irq(struct irq_data *d) { - noritake_update_irq_hw(irq, cached_irq_mask |= 1 << (irq - 16)); + noritake_update_irq_hw(d->irq, cached_irq_mask |= 1 << (d->irq - 16)); } static void -noritake_disable_irq(unsigned int irq) +noritake_disable_irq(struct irq_data *d) { - noritake_update_irq_hw(irq, cached_irq_mask &= ~(1 << (irq - 16))); + noritake_update_irq_hw(d->irq, cached_irq_mask &= ~(1 << (d->irq - 16))); } static struct irq_chip noritake_irq_type = { .name = "NORITAKE", - .unmask = noritake_enable_irq, - .mask = noritake_disable_irq, - .mask_ack = noritake_disable_irq, + .irq_unmask = noritake_enable_irq, + .irq_mask = noritake_disable_irq, + .irq_mask_ack = noritake_disable_irq, }; static void @@ -127,8 +127,8 @@ noritake_init_irq(void) outw(0, 0x54c); for (i = 16; i < 48; ++i) { - irq_to_desc(i)->status |= IRQ_LEVEL; set_irq_chip_and_handler(i, &noritake_irq_type, handle_level_irq); + irq_set_status_flags(i, IRQ_LEVEL); } init_i8259a_irqs(); diff --git a/arch/alpha/kernel/sys_rawhide.c b/arch/alpha/kernel/sys_rawhide.c index 6a51364dd1c..936d4140ed5 100644 --- a/arch/alpha/kernel/sys_rawhide.c +++ b/arch/alpha/kernel/sys_rawhide.c @@ -56,9 +56,10 @@ rawhide_update_irq_hw(int hose, int mask) (((h) < MCPCIA_MAX_HOSES) && (cached_irq_masks[(h)] != 0)) static inline void -rawhide_enable_irq(unsigned int irq) +rawhide_enable_irq(struct irq_data *d) { unsigned int mask, hose; + unsigned int irq = d->irq; irq -= 16; hose = irq / 24; @@ -76,9 +77,10 @@ rawhide_enable_irq(unsigned int irq) } static void -rawhide_disable_irq(unsigned int irq) +rawhide_disable_irq(struct irq_data *d) { unsigned int mask, hose; + unsigned int irq = d->irq; irq -= 16; hose = irq / 24; @@ -96,9 +98,10 @@ rawhide_disable_irq(unsigned int irq) } static void -rawhide_mask_and_ack_irq(unsigned int irq) +rawhide_mask_and_ack_irq(struct irq_data *d) { unsigned int mask, mask1, hose; + unsigned int irq = d->irq; irq -= 16; hose = irq / 24; @@ -123,9 +126,9 @@ rawhide_mask_and_ack_irq(unsigned int irq) static struct irq_chip rawhide_irq_type = { .name = "RAWHIDE", - .unmask = rawhide_enable_irq, - .mask = rawhide_disable_irq, - .mask_ack = rawhide_mask_and_ack_irq, + .irq_unmask = rawhide_enable_irq, + .irq_mask = rawhide_disable_irq, + .irq_mask_ack = rawhide_mask_and_ack_irq, }; static void @@ -177,8 +180,8 @@ rawhide_init_irq(void) } for (i = 16; i < 128; ++i) { - irq_to_desc(i)->status |= IRQ_LEVEL; set_irq_chip_and_handler(i, &rawhide_irq_type, handle_level_irq); + irq_set_status_flags(i, IRQ_LEVEL); } init_i8259a_irqs(); diff --git a/arch/alpha/kernel/sys_rx164.c b/arch/alpha/kernel/sys_rx164.c index 89e7e37ec84..cea22a62913 100644 --- a/arch/alpha/kernel/sys_rx164.c +++ b/arch/alpha/kernel/sys_rx164.c @@ -47,22 +47,22 @@ rx164_update_irq_hw(unsigned long mask) } static inline void -rx164_enable_irq(unsigned int irq) +rx164_enable_irq(struct irq_data *d) { - rx164_update_irq_hw(cached_irq_mask |= 1UL << (irq - 16)); + rx164_update_irq_hw(cached_irq_mask |= 1UL << (d->irq - 16)); } static void -rx164_disable_irq(unsigned int irq) +rx164_disable_irq(struct irq_data *d) { - rx164_update_irq_hw(cached_irq_mask &= ~(1UL << (irq - 16))); + rx164_update_irq_hw(cached_irq_mask &= ~(1UL << (d->irq - 16))); } static struct irq_chip rx164_irq_type = { .name = "RX164", - .unmask = rx164_enable_irq, - .mask = rx164_disable_irq, - .mask_ack = rx164_disable_irq, + .irq_unmask = rx164_enable_irq, + .irq_mask = rx164_disable_irq, + .irq_mask_ack = rx164_disable_irq, }; static void @@ -99,8 +99,8 @@ rx164_init_irq(void) rx164_update_irq_hw(0); for (i = 16; i < 40; ++i) { - irq_to_desc(i)->status |= IRQ_LEVEL; set_irq_chip_and_handler(i, &rx164_irq_type, handle_level_irq); + irq_set_status_flags(i, IRQ_LEVEL); } init_i8259a_irqs(); diff --git a/arch/alpha/kernel/sys_sable.c b/arch/alpha/kernel/sys_sable.c index 5c4423d1b06..a349538aabc 100644 --- a/arch/alpha/kernel/sys_sable.c +++ b/arch/alpha/kernel/sys_sable.c @@ -443,11 +443,11 @@ lynx_swizzle(struct pci_dev *dev, u8 *pinp) /* GENERIC irq routines */ static inline void -sable_lynx_enable_irq(unsigned int irq) +sable_lynx_enable_irq(struct irq_data *d) { unsigned long bit, mask; - bit = sable_lynx_irq_swizzle->irq_to_mask[irq]; + bit = sable_lynx_irq_swizzle->irq_to_mask[d->irq]; spin_lock(&sable_lynx_irq_lock); mask = sable_lynx_irq_swizzle->shadow_mask &= ~(1UL << bit); sable_lynx_irq_swizzle->update_irq_hw(bit, mask); @@ -459,11 +459,11 @@ sable_lynx_enable_irq(unsigned int irq) } static void -sable_lynx_disable_irq(unsigned int irq) +sable_lynx_disable_irq(struct irq_data *d) { unsigned long bit, mask; - bit = sable_lynx_irq_swizzle->irq_to_mask[irq]; + bit = sable_lynx_irq_swizzle->irq_to_mask[d->irq]; spin_lock(&sable_lynx_irq_lock); mask = sable_lynx_irq_swizzle->shadow_mask |= 1UL << bit; sable_lynx_irq_swizzle->update_irq_hw(bit, mask); @@ -475,11 +475,11 @@ sable_lynx_disable_irq(unsigned int irq) } static void -sable_lynx_mask_and_ack_irq(unsigned int irq) +sable_lynx_mask_and_ack_irq(struct irq_data *d) { unsigned long bit, mask; - bit = sable_lynx_irq_swizzle->irq_to_mask[irq]; + bit = sable_lynx_irq_swizzle->irq_to_mask[d->irq]; spin_lock(&sable_lynx_irq_lock); mask = sable_lynx_irq_swizzle->shadow_mask |= 1UL << bit; sable_lynx_irq_swizzle->update_irq_hw(bit, mask); @@ -489,9 +489,9 @@ sable_lynx_mask_and_ack_irq(unsigned int irq) static struct irq_chip sable_lynx_irq_type = { .name = "SABLE/LYNX", - .unmask = sable_lynx_enable_irq, - .mask = sable_lynx_disable_irq, - .mask_ack = sable_lynx_mask_and_ack_irq, + .irq_unmask = sable_lynx_enable_irq, + .irq_mask = sable_lynx_disable_irq, + .irq_mask_ack = sable_lynx_mask_and_ack_irq, }; static void @@ -518,9 +518,9 @@ sable_lynx_init_irq(int nr_of_irqs) long i; for (i = 0; i < nr_of_irqs; ++i) { - irq_to_desc(i)->status |= IRQ_LEVEL; set_irq_chip_and_handler(i, &sable_lynx_irq_type, handle_level_irq); + irq_set_status_flags(i, IRQ_LEVEL); } common_init_isa_dma(); diff --git a/arch/alpha/kernel/sys_takara.c b/arch/alpha/kernel/sys_takara.c index f8a1e8a862f..42a5331f13c 100644 --- a/arch/alpha/kernel/sys_takara.c +++ b/arch/alpha/kernel/sys_takara.c @@ -45,16 +45,18 @@ takara_update_irq_hw(unsigned long irq, unsigned long mask) } static inline void -takara_enable_irq(unsigned int irq) +takara_enable_irq(struct irq_data *d) { + unsigned int irq = d->irq; unsigned long mask; mask = (cached_irq_mask[irq >= 64] &= ~(1UL << (irq & 63))); takara_update_irq_hw(irq, mask); } static void -takara_disable_irq(unsigned int irq) +takara_disable_irq(struct irq_data *d) { + unsigned int irq = d->irq; unsigned long mask; mask = (cached_irq_mask[irq >= 64] |= 1UL << (irq & 63)); takara_update_irq_hw(irq, mask); @@ -62,9 +64,9 @@ takara_disable_irq(unsigned int irq) static struct irq_chip takara_irq_type = { .name = "TAKARA", - .unmask = takara_enable_irq, - .mask = takara_disable_irq, - .mask_ack = takara_disable_irq, + .irq_unmask = takara_enable_irq, + .irq_mask = takara_disable_irq, + .irq_mask_ack = takara_disable_irq, }; static void @@ -136,8 +138,8 @@ takara_init_irq(void) takara_update_irq_hw(i, -1); for (i = 16; i < 128; ++i) { - irq_to_desc(i)->status |= IRQ_LEVEL; set_irq_chip_and_handler(i, &takara_irq_type, handle_level_irq); + irq_set_status_flags(i, IRQ_LEVEL); } common_init_isa_dma(); diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c index e02494bf5ef..8c13a0c7783 100644 --- a/arch/alpha/kernel/sys_titan.c +++ b/arch/alpha/kernel/sys_titan.c @@ -112,8 +112,9 @@ titan_update_irq_hw(unsigned long mask) } static inline void -titan_enable_irq(unsigned int irq) +titan_enable_irq(struct irq_data *d) { + unsigned int irq = d->irq; spin_lock(&titan_irq_lock); titan_cached_irq_mask |= 1UL << (irq - 16); titan_update_irq_hw(titan_cached_irq_mask); @@ -121,8 +122,9 @@ titan_enable_irq(unsigned int irq) } static inline void -titan_disable_irq(unsigned int irq) +titan_disable_irq(struct irq_data *d) { + unsigned int irq = d->irq; spin_lock(&titan_irq_lock); titan_cached_irq_mask &= ~(1UL << (irq - 16)); titan_update_irq_hw(titan_cached_irq_mask); @@ -144,8 +146,10 @@ titan_cpu_set_irq_affinity(unsigned int irq, cpumask_t affinity) } static int -titan_set_irq_affinity(unsigned int irq, const struct cpumask *affinity) +titan_set_irq_affinity(struct irq_data *d, const struct cpumask *affinity, + bool force) { + unsigned int irq = d->irq; spin_lock(&titan_irq_lock); titan_cpu_set_irq_affinity(irq - 16, *affinity); titan_update_irq_hw(titan_cached_irq_mask); @@ -175,17 +179,17 @@ init_titan_irqs(struct irq_chip * ops, int imin, int imax) { long i; for (i = imin; i <= imax; ++i) { - irq_to_desc(i)->status |= IRQ_LEVEL; set_irq_chip_and_handler(i, ops, handle_level_irq); + irq_set_status_flags(i, IRQ_LEVEL); } } static struct irq_chip titan_irq_type = { - .name = "TITAN", - .unmask = titan_enable_irq, - .mask = titan_disable_irq, - .mask_ack = titan_disable_irq, - .set_affinity = titan_set_irq_affinity, + .name = "TITAN", + .irq_unmask = titan_enable_irq, + .irq_mask = titan_disable_irq, + .irq_mask_ack = titan_disable_irq, + .irq_set_affinity = titan_set_irq_affinity, }; static irqreturn_t diff --git a/arch/alpha/kernel/sys_wildfire.c b/arch/alpha/kernel/sys_wildfire.c index eec52594d41..ca60a387ef0 100644 --- a/arch/alpha/kernel/sys_wildfire.c +++ b/arch/alpha/kernel/sys_wildfire.c @@ -104,10 +104,12 @@ wildfire_init_irq_hw(void) } static void -wildfire_enable_irq(unsigned int irq) +wildfire_enable_irq(struct irq_data *d) { + unsigned int irq = d->irq; + if (irq < 16) - i8259a_enable_irq(irq); + i8259a_enable_irq(d); spin_lock(&wildfire_irq_lock); set_bit(irq, &cached_irq_mask); @@ -116,10 +118,12 @@ wildfire_enable_irq(unsigned int irq) } static void -wildfire_disable_irq(unsigned int irq) +wildfire_disable_irq(struct irq_data *d) { + unsigned int irq = d->irq; + if (irq < 16) - i8259a_disable_irq(irq); + i8259a_disable_irq(d); spin_lock(&wildfire_irq_lock); clear_bit(irq, &cached_irq_mask); @@ -128,10 +132,12 @@ wildfire_disable_irq(unsigned int irq) } static void -wildfire_mask_and_ack_irq(unsigned int irq) +wildfire_mask_and_ack_irq(struct irq_data *d) { + unsigned int irq = d->irq; + if (irq < 16) - i8259a_mask_and_ack_irq(irq); + i8259a_mask_and_ack_irq(d); spin_lock(&wildfire_irq_lock); clear_bit(irq, &cached_irq_mask); @@ -141,9 +147,9 @@ wildfire_mask_and_ack_irq(unsigned int irq) static struct irq_chip wildfire_irq_type = { .name = "WILDFIRE", - .unmask = wildfire_enable_irq, - .mask = wildfire_disable_irq, - .mask_ack = wildfire_mask_and_ack_irq, + .irq_unmask = wildfire_enable_irq, + .irq_mask = wildfire_disable_irq, + .irq_mask_ack = wildfire_mask_and_ack_irq, }; static void __init @@ -177,21 +183,21 @@ wildfire_init_irq_per_pca(int qbbno, int pcano) for (i = 0; i < 16; ++i) { if (i == 2) continue; - irq_to_desc(i+irq_bias)->status |= IRQ_LEVEL; set_irq_chip_and_handler(i+irq_bias, &wildfire_irq_type, handle_level_irq); + irq_set_status_flags(i + irq_bias, IRQ_LEVEL); } - irq_to_desc(36+irq_bias)->status |= IRQ_LEVEL; set_irq_chip_and_handler(36+irq_bias, &wildfire_irq_type, handle_level_irq); + irq_set_status_flags(36 + irq_bias, IRQ_LEVEL); for (i = 40; i < 64; ++i) { - irq_to_desc(i+irq_bias)->status |= IRQ_LEVEL; set_irq_chip_and_handler(i+irq_bias, &wildfire_irq_type, handle_level_irq); + irq_set_status_flags(i + irq_bias, IRQ_LEVEL); } - setup_irq(32+irq_bias, &isa_enable); + setup_irq(32+irq_bias, &isa_enable); } static void __init diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig index 778655f0257..ea5ee4d067f 100644 --- a/arch/arm/common/Kconfig +++ b/arch/arm/common/Kconfig @@ -6,6 +6,8 @@ config ARM_VIC config ARM_VIC_NR int + default 4 if ARCH_S5PV210 + default 3 if ARCH_S5P6442 || ARCH_S5PC100 default 2 depends on ARM_VIC help diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h index 3a0893a76a3..bf13b814c1b 100644 --- a/arch/arm/include/asm/mach/arch.h +++ b/arch/arm/include/asm/mach/arch.h @@ -15,10 +15,6 @@ struct meminfo; struct sys_timer; struct machine_desc { - /* - * Note! The first two elements are used - * by assembler code in head.S, head-common.S - */ unsigned int nr; /* architecture number */ const char *name; /* architecture name */ unsigned long boot_params; /* tagged list */ diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h index 9763be04f77..22de005f159 100644 --- a/arch/arm/include/asm/pgalloc.h +++ b/arch/arm/include/asm/pgalloc.h @@ -10,6 +10,8 @@ #ifndef _ASMARM_PGALLOC_H #define _ASMARM_PGALLOC_H +#include <linux/pagemap.h> + #include <asm/domain.h> #include <asm/pgtable-hwdef.h> #include <asm/processor.h> diff --git a/arch/arm/kernel/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c index d600bd35070..44b84fe6e1b 100644 --- a/arch/arm/kernel/hw_breakpoint.c +++ b/arch/arm/kernel/hw_breakpoint.c @@ -836,9 +836,11 @@ static int hw_breakpoint_pending(unsigned long addr, unsigned int fsr, /* * One-time initialisation. */ -static void reset_ctrl_regs(void *unused) +static void reset_ctrl_regs(void *info) { - int i; + int i, cpu = smp_processor_id(); + u32 dbg_power; + cpumask_t *cpumask = info; /* * v7 debug contains save and restore registers so that debug state @@ -850,6 +852,17 @@ static void reset_ctrl_regs(void *unused) */ if (debug_arch >= ARM_DEBUG_ARCH_V7_ECP14) { /* + * Ensure sticky power-down is clear (i.e. debug logic is + * powered up). + */ + asm volatile("mrc p14, 0, %0, c1, c5, 4" : "=r" (dbg_power)); + if ((dbg_power & 0x1) == 0) { + pr_warning("CPU %d debug is powered down!\n", cpu); + cpumask_or(cpumask, cpumask, cpumask_of(cpu)); + return; + } + + /* * Unconditionally clear the lock by writing a value * other than 0xC5ACCE55 to the access register. */ @@ -887,6 +900,7 @@ static struct notifier_block __cpuinitdata dbg_reset_nb = { static int __init arch_hw_breakpoint_init(void) { u32 dscr; + cpumask_t cpumask = { CPU_BITS_NONE }; debug_arch = get_debug_arch(); @@ -911,7 +925,13 @@ static int __init arch_hw_breakpoint_init(void) * Reset the breakpoint resources. We assume that a halting * debugger will leave the world in a nice state for us. */ - on_each_cpu(reset_ctrl_regs, NULL, 1); + on_each_cpu(reset_ctrl_regs, &cpumask, 1); + if (!cpumask_empty(&cpumask)) { + core_num_brps = 0; + core_num_reserved_brps = 0; + core_num_wrps = 0; + return 0; + } ARM_DBG_READ(c1, 0, dscr); if (dscr & ARM_DSCR_HDBGEN) { diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 19c6816db61..b13e70f63d7 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -996,10 +996,10 @@ static int ptrace_gethbpregs(struct task_struct *tsk, long num, while (!(arch_ctrl.len & 0x1)) arch_ctrl.len >>= 1; - if (idx & 0x1) - reg = encode_ctrl_reg(arch_ctrl); - else + if (num & 0x1) reg = bp->attr.bp_addr; + else + reg = encode_ctrl_reg(arch_ctrl); } put: diff --git a/arch/arm/mach-davinci/cpufreq.c b/arch/arm/mach-davinci/cpufreq.c index 343de73161f..4a68c2b1ec1 100644 --- a/arch/arm/mach-davinci/cpufreq.c +++ b/arch/arm/mach-davinci/cpufreq.c @@ -132,7 +132,7 @@ out: return ret; } -static int __init davinci_cpu_init(struct cpufreq_policy *policy) +static int davinci_cpu_init(struct cpufreq_policy *policy) { int result = 0; struct davinci_cpufreq_config *pdata = cpufreq.dev->platform_data; diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index 9eec63070e0..beda8a4133a 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -480,8 +480,15 @@ static struct platform_device da850_mcasp_device = { .resource = da850_mcasp_resources, }; +struct platform_device davinci_pcm_device = { + .name = "davinci-pcm-audio", + .id = -1, +}; + void __init da8xx_register_mcasp(int id, struct snd_platform_data *pdata) { + platform_device_register(&davinci_pcm_device); + /* DA830/OMAP-L137 has 3 instances of McASP */ if (cpu_is_davinci_da830() && id == 1) { da830_mcasp1_device.dev.platform_data = pdata; diff --git a/arch/arm/mach-davinci/gpio-tnetv107x.c b/arch/arm/mach-davinci/gpio-tnetv107x.c index d10298620e2..3fa3e2867e1 100644 --- a/arch/arm/mach-davinci/gpio-tnetv107x.c +++ b/arch/arm/mach-davinci/gpio-tnetv107x.c @@ -58,7 +58,7 @@ static int tnetv107x_gpio_request(struct gpio_chip *chip, unsigned offset) spin_lock_irqsave(&ctlr->lock, flags); - gpio_reg_set_bit(®s->enable, gpio); + gpio_reg_set_bit(regs->enable, gpio); spin_unlock_irqrestore(&ctlr->lock, flags); @@ -74,7 +74,7 @@ static void tnetv107x_gpio_free(struct gpio_chip *chip, unsigned offset) spin_lock_irqsave(&ctlr->lock, flags); - gpio_reg_clear_bit(®s->enable, gpio); + gpio_reg_clear_bit(regs->enable, gpio); spin_unlock_irqrestore(&ctlr->lock, flags); } @@ -88,7 +88,7 @@ static int tnetv107x_gpio_dir_in(struct gpio_chip *chip, unsigned offset) spin_lock_irqsave(&ctlr->lock, flags); - gpio_reg_set_bit(®s->direction, gpio); + gpio_reg_set_bit(regs->direction, gpio); spin_unlock_irqrestore(&ctlr->lock, flags); @@ -106,11 +106,11 @@ static int tnetv107x_gpio_dir_out(struct gpio_chip *chip, spin_lock_irqsave(&ctlr->lock, flags); if (value) - gpio_reg_set_bit(®s->data_out, gpio); + gpio_reg_set_bit(regs->data_out, gpio); else - gpio_reg_clear_bit(®s->data_out, gpio); + gpio_reg_clear_bit(regs->data_out, gpio); - gpio_reg_clear_bit(®s->direction, gpio); + gpio_reg_clear_bit(regs->direction, gpio); spin_unlock_irqrestore(&ctlr->lock, flags); @@ -124,7 +124,7 @@ static int tnetv107x_gpio_get(struct gpio_chip *chip, unsigned offset) unsigned gpio = chip->base + offset; int ret; - ret = gpio_reg_get_bit(®s->data_in, gpio); + ret = gpio_reg_get_bit(regs->data_in, gpio); return ret ? 1 : 0; } @@ -140,9 +140,9 @@ static void tnetv107x_gpio_set(struct gpio_chip *chip, spin_lock_irqsave(&ctlr->lock, flags); if (value) - gpio_reg_set_bit(®s->data_out, gpio); + gpio_reg_set_bit(regs->data_out, gpio); else - gpio_reg_clear_bit(®s->data_out, gpio); + gpio_reg_clear_bit(regs->data_out, gpio); spin_unlock_irqrestore(&ctlr->lock, flags); } diff --git a/arch/arm/mach-davinci/include/mach/clkdev.h b/arch/arm/mach-davinci/include/mach/clkdev.h index 730c49d1ebd..14a50488718 100644 --- a/arch/arm/mach-davinci/include/mach/clkdev.h +++ b/arch/arm/mach-davinci/include/mach/clkdev.h @@ -1,6 +1,8 @@ #ifndef __MACH_CLKDEV_H #define __MACH_CLKDEV_H +struct clk; + static inline int __clk_get(struct clk *clk) { return 1; diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c index 0a585dfa987..24b88504df0 100644 --- a/arch/arm/mach-omap2/mailbox.c +++ b/arch/arm/mach-omap2/mailbox.c @@ -193,10 +193,12 @@ static void omap2_mbox_disable_irq(struct omap_mbox *mbox, omap_mbox_type_t irq) { struct omap_mbox2_priv *p = mbox->priv; - u32 l, bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit; - l = mbox_read_reg(p->irqdisable); - l &= ~bit; - mbox_write_reg(l, p->irqdisable); + u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit; + + if (!cpu_is_omap44xx()) + bit = mbox_read_reg(p->irqdisable) & ~bit; + + mbox_write_reg(bit, p->irqdisable); } static void omap2_mbox_ack_irq(struct omap_mbox *mbox, diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c index 95ac336fe3f..1a777e34d0c 100644 --- a/arch/arm/mach-omap2/smartreflex.c +++ b/arch/arm/mach-omap2/smartreflex.c @@ -282,6 +282,7 @@ error: dev_err(&sr_info->pdev->dev, "%s: ERROR in registering" "interrupt handler. Smartreflex will" "not function as desired\n", __func__); + kfree(name); kfree(sr_info); return ret; } @@ -879,7 +880,7 @@ static int __init omap_sr_probe(struct platform_device *pdev) ret = sr_late_init(sr_info); if (ret) { pr_warning("%s: Error in SR late init\n", __func__); - return ret; + goto err_release_region; } } @@ -890,14 +891,17 @@ static int __init omap_sr_probe(struct platform_device *pdev) * not try to create rest of the debugfs entries. */ vdd_dbg_dir = omap_voltage_get_dbgdir(sr_info->voltdm); - if (!vdd_dbg_dir) - return -EINVAL; + if (!vdd_dbg_dir) { + ret = -EINVAL; + goto err_release_region; + } dbg_dir = debugfs_create_dir("smartreflex", vdd_dbg_dir); if (IS_ERR(dbg_dir)) { dev_err(&pdev->dev, "%s: Unable to create debugfs directory\n", __func__); - return PTR_ERR(dbg_dir); + ret = PTR_ERR(dbg_dir); + goto err_release_region; } (void) debugfs_create_file("autocomp", S_IRUGO | S_IWUSR, dbg_dir, @@ -913,7 +917,8 @@ static int __init omap_sr_probe(struct platform_device *pdev) if (IS_ERR(nvalue_dir)) { dev_err(&pdev->dev, "%s: Unable to create debugfs directory" "for n-values\n", __func__); - return PTR_ERR(nvalue_dir); + ret = PTR_ERR(nvalue_dir); + goto err_release_region; } omap_voltage_get_volttable(sr_info->voltdm, &volt_data); @@ -922,23 +927,15 @@ static int __init omap_sr_probe(struct platform_device *pdev) " corresponding vdd vdd_%s. Cannot create debugfs" "entries for n-values\n", __func__, sr_info->voltdm->name); - return -ENODATA; + ret = -ENODATA; + goto err_release_region; } for (i = 0; i < sr_info->nvalue_count; i++) { - char *name; - char volt_name[32]; - - name = kzalloc(NVALUE_NAME_LEN + 1, GFP_KERNEL); - if (!name) { - dev_err(&pdev->dev, "%s: Unable to allocate memory" - " for n-value directory name\n", __func__); - return -ENOMEM; - } + char name[NVALUE_NAME_LEN + 1]; - strcpy(name, "volt_"); - sprintf(volt_name, "%d", volt_data[i].volt_nominal); - strcat(name, volt_name); + snprintf(name, sizeof(name), "volt_%d", + volt_data[i].volt_nominal); (void) debugfs_create_x32(name, S_IRUGO | S_IWUSR, nvalue_dir, &(sr_info->nvalue_table[i].nvalue)); } diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index fbc5b775f89..b166b1d845d 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -347,6 +347,7 @@ static struct platform_device *pxa25x_devices[] __initdata = { &pxa25x_device_assp, &pxa25x_device_pwm0, &pxa25x_device_pwm1, + &pxa_device_asoc_platform, }; static struct sys_device pxa25x_sysdev[] = { diff --git a/arch/arm/mach-pxa/tosa-bt.c b/arch/arm/mach-pxa/tosa-bt.c index c31e601eb49..b9b1e5c2b29 100644 --- a/arch/arm/mach-pxa/tosa-bt.c +++ b/arch/arm/mach-pxa/tosa-bt.c @@ -81,8 +81,6 @@ static int tosa_bt_probe(struct platform_device *dev) goto err_rfk_alloc; } - rfkill_set_led_trigger_name(rfk, "tosa-bt"); - rc = rfkill_register(rfk); if (rc) goto err_rfkill; diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c index af152e70cfc..f2582ec300d 100644 --- a/arch/arm/mach-pxa/tosa.c +++ b/arch/arm/mach-pxa/tosa.c @@ -875,6 +875,11 @@ static struct platform_device sharpsl_rom_device = { .dev.platform_data = &sharpsl_rom_data, }; +static struct platform_device wm9712_device = { + .name = "wm9712-codec", + .id = -1, +}; + static struct platform_device *devices[] __initdata = { &tosascoop_device, &tosascoop_jc_device, @@ -885,6 +890,7 @@ static struct platform_device *devices[] __initdata = { &tosaled_device, &tosa_bt_device, &sharpsl_rom_device, + &wm9712_device, }; static void tosa_poweroff(void) diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig index a0cb2581894..50825a3f91c 100644 --- a/arch/arm/mach-s3c2440/Kconfig +++ b/arch/arm/mach-s3c2440/Kconfig @@ -99,6 +99,7 @@ config MACH_NEO1973_GTA02 select POWER_SUPPLY select MACH_NEO1973 select S3C2410_PWM + select S3C_DEV_USB_HOST help Say Y here if you are using the Openmoko GTA02 / Freerunner GSM Phone diff --git a/arch/arm/mach-s3c2440/include/mach/gta02.h b/arch/arm/mach-s3c2440/include/mach/gta02.h index 953331d8d56..3a56a229cac 100644 --- a/arch/arm/mach-s3c2440/include/mach/gta02.h +++ b/arch/arm/mach-s3c2440/include/mach/gta02.h @@ -44,19 +44,19 @@ #define GTA02v3_GPIO_nUSB_FLT S3C2410_GPG(10) /* v3 + v4 only */ #define GTA02v3_GPIO_nGSM_OC S3C2410_GPG(11) /* v3 + v4 only */ -#define GTA02_GPIO_AMP_SHUT S3C2440_GPJ1 /* v2 + v3 + v4 only */ -#define GTA02v1_GPIO_WLAN_GPIO10 S3C2440_GPJ2 -#define GTA02_GPIO_HP_IN S3C2440_GPJ2 /* v2 + v3 + v4 only */ -#define GTA02_GPIO_INT0 S3C2440_GPJ3 /* v2 + v3 + v4 only */ -#define GTA02_GPIO_nGSM_EN S3C2440_GPJ4 -#define GTA02_GPIO_3D_RESET S3C2440_GPJ5 -#define GTA02_GPIO_nDL_GSM S3C2440_GPJ6 /* v4 + v5 only */ -#define GTA02_GPIO_WLAN_GPIO0 S3C2440_GPJ7 -#define GTA02v1_GPIO_BAT_ID S3C2440_GPJ8 -#define GTA02_GPIO_KEEPACT S3C2440_GPJ8 -#define GTA02v1_GPIO_HP_IN S3C2440_GPJ10 -#define GTA02_CHIP_PWD S3C2440_GPJ11 /* v2 + v3 + v4 only */ -#define GTA02_GPIO_nWLAN_RESET S3C2440_GPJ12 /* v2 + v3 + v4 only */ +#define GTA02_GPIO_AMP_SHUT S3C2410_GPJ(1) /* v2 + v3 + v4 only */ +#define GTA02v1_GPIO_WLAN_GPIO10 S3C2410_GPJ(2) +#define GTA02_GPIO_HP_IN S3C2410_GPJ(2) /* v2 + v3 + v4 only */ +#define GTA02_GPIO_INT0 S3C2410_GPJ(3) /* v2 + v3 + v4 only */ +#define GTA02_GPIO_nGSM_EN S3C2410_GPJ(4) +#define GTA02_GPIO_3D_RESET S3C2410_GPJ(5) +#define GTA02_GPIO_nDL_GSM S3C2410_GPJ(6) /* v4 + v5 only */ +#define GTA02_GPIO_WLAN_GPIO0 S3C2410_GPJ(7) +#define GTA02v1_GPIO_BAT_ID S3C2410_GPJ(8) +#define GTA02_GPIO_KEEPACT S3C2410_GPJ(8) +#define GTA02v1_GPIO_HP_IN S3C2410_GPJ(10) +#define GTA02_CHIP_PWD S3C2410_GPJ(11) /* v2 + v3 + v4 only */ +#define GTA02_GPIO_nWLAN_RESET S3C2410_GPJ(12) /* v2 + v3 + v4 only */ #define GTA02_IRQ_GSENSOR_1 IRQ_EINT0 #define GTA02_IRQ_MODEM IRQ_EINT1 diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c index dd378206450..fdfc4d5e37a 100644 --- a/arch/arm/mach-s3c64xx/clock.c +++ b/arch/arm/mach-s3c64xx/clock.c @@ -151,6 +151,12 @@ static struct clk init_clocks_off[] = { .enable = s3c64xx_pclk_ctrl, .ctrlbit = S3C_CLKCON_PCLK_IIC, }, { + .name = "i2c", + .id = 1, + .parent = &clk_p, + .enable = s3c64xx_pclk_ctrl, + .ctrlbit = S3C6410_CLKCON_PCLK_I2C1, + }, { .name = "iis", .id = 0, .parent = &clk_p, diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c index 135db1b4125..c35585cf8c4 100644 --- a/arch/arm/mach-s3c64xx/dma.c +++ b/arch/arm/mach-s3c64xx/dma.c @@ -690,12 +690,12 @@ static int s3c64xx_dma_init1(int chno, enum dma_ch chbase, regptr = regs + PL080_Cx_BASE(0); - for (ch = 0; ch < 8; ch++, chno++, chptr++) { - printk(KERN_INFO "%s: registering DMA %d (%p)\n", - __func__, chno, regptr); + for (ch = 0; ch < 8; ch++, chptr++) { + pr_debug("%s: registering DMA %d (%p)\n", + __func__, chno + ch, regptr); chptr->bit = 1 << ch; - chptr->number = chno; + chptr->number = chno + ch; chptr->dmac = dmac; chptr->regs = regptr; regptr += PL080_Cx_STRIDE; @@ -704,7 +704,8 @@ static int s3c64xx_dma_init1(int chno, enum dma_ch chbase, /* for the moment, permanently enable the controller */ writel(PL080_CONFIG_ENABLE, regs + PL080_CONFIG); - printk(KERN_INFO "PL080: IRQ %d, at %p\n", irq, regs); + printk(KERN_INFO "PL080: IRQ %d, at %p, channels %d..%d\n", + irq, regs, chno, chno+8); return 0; diff --git a/arch/arm/mach-s3c64xx/gpiolib.c b/arch/arm/mach-s3c64xx/gpiolib.c index fd99a82e82c..92b09085caa 100644 --- a/arch/arm/mach-s3c64xx/gpiolib.c +++ b/arch/arm/mach-s3c64xx/gpiolib.c @@ -72,7 +72,7 @@ static struct s3c_gpio_cfg gpio_4bit_cfg_eint0011 = { .get_pull = s3c_gpio_getpull_updown, }; -int s3c64xx_gpio2int_gpm(struct gpio_chip *chip, unsigned pin) +static int s3c64xx_gpio2int_gpm(struct gpio_chip *chip, unsigned pin) { return pin < 5 ? IRQ_EINT(23) + pin : -ENXIO; } @@ -138,7 +138,7 @@ static struct s3c_gpio_chip gpio_4bit[] = { }, }; -int s3c64xx_gpio2int_gpl(struct gpio_chip *chip, unsigned pin) +static int s3c64xx_gpio2int_gpl(struct gpio_chip *chip, unsigned pin) { return pin >= 8 ? IRQ_EINT(16) + pin - 8 : -ENXIO; } diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index e85192a86fb..a80a3163dd3 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -28,6 +28,7 @@ #include <linux/delay.h> #include <linux/smsc911x.h> #include <linux/regulator/fixed.h> +#include <linux/regulator/machine.h> #ifdef CONFIG_SMDK6410_WM1190_EV1 #include <linux/mfd/wm8350/core.h> @@ -351,7 +352,7 @@ static struct regulator_init_data smdk6410_vddpll = { /* VDD_UH_MMC, LDO5 on J5 */ static struct regulator_init_data smdk6410_vdduh_mmc = { .constraints = { - .name = "PVDD_UH/PVDD_MMC", + .name = "PVDD_UH+PVDD_MMC", .always_on = 1, }, }; @@ -417,7 +418,7 @@ static struct regulator_init_data smdk6410_vddaudio = { /* S3C64xx internal logic & PLL */ static struct regulator_init_data wm8350_dcdc1_data = { .constraints = { - .name = "PVDD_INT/PVDD_PLL", + .name = "PVDD_INT+PVDD_PLL", .min_uV = 1200000, .max_uV = 1200000, .always_on = 1, @@ -452,7 +453,7 @@ static struct regulator_consumer_supply wm8350_dcdc4_consumers[] = { static struct regulator_init_data wm8350_dcdc4_data = { .constraints = { - .name = "PVDD_HI/PVDD_EXT/PVDD_SYS/PVCCM2MTV", + .name = "PVDD_HI+PVDD_EXT+PVDD_SYS+PVCCM2MTV", .min_uV = 3000000, .max_uV = 3000000, .always_on = 1, @@ -464,7 +465,7 @@ static struct regulator_init_data wm8350_dcdc4_data = { /* OTGi/1190-EV1 HPVDD & AVDD */ static struct regulator_init_data wm8350_ldo4_data = { .constraints = { - .name = "PVDD_OTGI/HPVDD/AVDD", + .name = "PVDD_OTGI+HPVDD+AVDD", .min_uV = 1200000, .max_uV = 1200000, .apply_uV = 1, @@ -552,7 +553,7 @@ static struct wm831x_backlight_pdata wm1192_backlight_pdata = { static struct regulator_init_data wm1192_dcdc3 = { .constraints = { - .name = "PVDD_MEM/PVDD_GPS", + .name = "PVDD_MEM+PVDD_GPS", .always_on = 1, }, }; @@ -563,7 +564,7 @@ static struct regulator_consumer_supply wm1192_ldo1_consumers[] = { static struct regulator_init_data wm1192_ldo1 = { .constraints = { - .name = "PVDD_LCD/PVDD_EXT", + .name = "PVDD_LCD+PVDD_EXT", .always_on = 1, }, .consumer_supplies = wm1192_ldo1_consumers, diff --git a/arch/arm/mach-s3c64xx/setup-keypad.c b/arch/arm/mach-s3c64xx/setup-keypad.c index f8ed0d22db7..1d4d0ee9e87 100644 --- a/arch/arm/mach-s3c64xx/setup-keypad.c +++ b/arch/arm/mach-s3c64xx/setup-keypad.c @@ -17,7 +17,7 @@ void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols) { /* Set all the necessary GPK pins to special-function 3: KP_ROW[x] */ - s3c_gpio_cfgrange_nopull(S3C64XX_GPK(8), 8 + rows, S3C_GPIO_SFN(3)); + s3c_gpio_cfgrange_nopull(S3C64XX_GPK(8), rows, S3C_GPIO_SFN(3)); /* Set all the necessary GPL pins to special-function 3: KP_COL[x] */ s3c_gpio_cfgrange_nopull(S3C64XX_GPL(0), cols, S3C_GPIO_SFN(3)); diff --git a/arch/arm/mach-s3c64xx/setup-sdhci.c b/arch/arm/mach-s3c64xx/setup-sdhci.c index 1a942037c4e..f344a222bc8 100644 --- a/arch/arm/mach-s3c64xx/setup-sdhci.c +++ b/arch/arm/mach-s3c64xx/setup-sdhci.c @@ -56,7 +56,7 @@ void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev, else ctrl3 = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0); - printk(KERN_INFO "%s: CTRL 2=%08x, 3=%08x\n", __func__, ctrl2, ctrl3); + pr_debug("%s: CTRL 2=%08x, 3=%08x\n", __func__, ctrl2, ctrl3); writel(ctrl2, r + S3C_SDHCI_CONTROL2); writel(ctrl3, r + S3C_SDHCI_CONTROL3); } diff --git a/arch/arm/mach-s5p64x0/include/mach/gpio.h b/arch/arm/mach-s5p64x0/include/mach/gpio.h index 5486c8f01f1..adb5f298ead 100644 --- a/arch/arm/mach-s5p64x0/include/mach/gpio.h +++ b/arch/arm/mach-s5p64x0/include/mach/gpio.h @@ -23,7 +23,7 @@ #define S5P6440_GPIO_A_NR (6) #define S5P6440_GPIO_B_NR (7) #define S5P6440_GPIO_C_NR (8) -#define S5P6440_GPIO_F_NR (2) +#define S5P6440_GPIO_F_NR (16) #define S5P6440_GPIO_G_NR (7) #define S5P6440_GPIO_H_NR (10) #define S5P6440_GPIO_I_NR (16) @@ -36,7 +36,7 @@ #define S5P6450_GPIO_B_NR (7) #define S5P6450_GPIO_C_NR (8) #define S5P6450_GPIO_D_NR (8) -#define S5P6450_GPIO_F_NR (2) +#define S5P6450_GPIO_F_NR (16) #define S5P6450_GPIO_G_NR (14) #define S5P6450_GPIO_H_NR (10) #define S5P6450_GPIO_I_NR (16) diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c index 2123b96b563..4303a86e6e3 100644 --- a/arch/arm/mach-shmobile/board-ag5evm.c +++ b/arch/arm/mach-shmobile/board-ag5evm.c @@ -454,6 +454,7 @@ static void __init ag5evm_init(void) gpio_direction_output(GPIO_PORT217, 0); mdelay(1); gpio_set_value(GPIO_PORT217, 1); + mdelay(100); /* LCD backlight controller */ gpio_request(GPIO_PORT235, NULL); /* RESET */ diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 3cf0951caa2..81d6536552a 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -1303,7 +1303,7 @@ static void __init ap4evb_init(void) lcdc_info.clock_source = LCDC_CLK_BUS; lcdc_info.ch[0].interface_type = RGB18; - lcdc_info.ch[0].clock_divider = 2; + lcdc_info.ch[0].clock_divider = 3; lcdc_info.ch[0].flags = 0; lcdc_info.ch[0].lcd_size_cfg.width = 152; lcdc_info.ch[0].lcd_size_cfg.height = 91; diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index fb4213a4e15..1657eac5dde 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -303,7 +303,7 @@ static struct sh_mobile_lcdc_info lcdc_info = { .lcd_cfg = mackerel_lcdc_modes, .num_cfg = ARRAY_SIZE(mackerel_lcdc_modes), .interface_type = RGB24, - .clock_divider = 2, + .clock_divider = 3, .flags = 0, .lcd_size_cfg.width = 152, .lcd_size_cfg.height = 91, diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c index ddd4a1b775f..7e58904c1c8 100644 --- a/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/arch/arm/mach-shmobile/clock-sh73a0.c @@ -263,7 +263,7 @@ static struct clk div6_clks[DIV6_NR] = { }; enum { MSTP001, - MSTP125, MSTP118, MSTP116, MSTP100, + MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100, MSTP219, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, MSTP331, MSTP329, MSTP325, MSTP323, MSTP312, @@ -275,6 +275,10 @@ enum { MSTP001, static struct clk mstp_clks[MSTP_NR] = { [MSTP001] = MSTP(&div4_clks[DIV4_HP], SMSTPCR0, 1, 0), /* IIC2 */ + [MSTP129] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 29, 0), /* CEU1 */ + [MSTP128] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 28, 0), /* CSI2-RX1 */ + [MSTP127] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 27, 0), /* CEU0 */ + [MSTP126] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 26, 0), /* CSI2-RX0 */ [MSTP125] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 25, 0), /* TMU0 */ [MSTP118] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 18, 0), /* DSITX0 */ [MSTP116] = MSTP(&div4_clks[DIV4_HP], SMSTPCR1, 16, 0), /* IIC0 */ @@ -306,6 +310,9 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("r_clk", &r_clk), /* DIV6 clocks */ + CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]), + CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]), + CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]), CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSIT]), CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]), CLKDEV_ICK_ID("dsi0p_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]), @@ -313,11 +320,15 @@ static struct clk_lookup lookups[] = { /* MSTP32 clocks */ CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* I2C2 */ - CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */ + CLKDEV_DEV_ID("sh_mobile_ceu.1", &mstp_clks[MSTP129]), /* CEU1 */ + CLKDEV_DEV_ID("sh-mobile-csi2.1", &mstp_clks[MSTP128]), /* CSI2-RX1 */ + CLKDEV_DEV_ID("sh_mobile_ceu.0", &mstp_clks[MSTP127]), /* CEU0 */ + CLKDEV_DEV_ID("sh-mobile-csi2.0", &mstp_clks[MSTP126]), /* CSI2-RX0 */ CLKDEV_DEV_ID("sh_tmu.0", &mstp_clks[MSTP125]), /* TMU00 */ CLKDEV_DEV_ID("sh_tmu.1", &mstp_clks[MSTP125]), /* TMU01 */ - CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* I2C0 */ CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX */ + CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* I2C0 */ + CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */ CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */ CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */ CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */ diff --git a/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt b/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt index efd3687ba19..3029aba3868 100644 --- a/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt +++ b/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt @@ -6,13 +6,10 @@ LIST "RWT Setting" EW 0xE6020004, 0xA500 EW 0xE6030004, 0xA500 -DD 0x01001000, 0x01001000 - LIST "GPIO Setting" EB 0xE6051013, 0xA2 LIST "CPG" -ED 0xE6150080, 0x00000180 ED 0xE61500C0, 0x00000002 WAIT 1, 0xFE40009C @@ -37,6 +34,9 @@ ED 0xE615002C, 0x93000040 WAIT 1, 0xFE40009C +LIST "SUB/USBClk" +ED 0xE6150080, 0x00000180 + LIST "BSC" ED 0xFEC10000, 0x00E0001B @@ -53,7 +53,7 @@ ED 0xFE400048, 0x20C18505 ED 0xFE40004C, 0x00110209 ED 0xFE400010, 0x00000087 -WAIT 10, 0xFE40009C +WAIT 30, 0xFE40009C ED 0xFE400084, 0x0000003F EB 0xFE500000, 0x00 @@ -84,7 +84,7 @@ ED 0xE6150004, 0x80331050 WAIT 1, 0xFE40009C -ED 0xE6150354, 0x00000002 +ED 0xFE400354, 0x01AD8002 LIST "SCIF0 - Serial port for earlyprintk" EB 0xE6053098, 0x11 diff --git a/arch/arm/mach-shmobile/include/mach/head-mackerel.txt b/arch/arm/mach-shmobile/include/mach/head-mackerel.txt index efd3687ba19..3029aba3868 100644 --- a/arch/arm/mach-shmobile/include/mach/head-mackerel.txt +++ b/arch/arm/mach-shmobile/include/mach/head-mackerel.txt @@ -6,13 +6,10 @@ LIST "RWT Setting" EW 0xE6020004, 0xA500 EW 0xE6030004, 0xA500 -DD 0x01001000, 0x01001000 - LIST "GPIO Setting" EB 0xE6051013, 0xA2 LIST "CPG" -ED 0xE6150080, 0x00000180 ED 0xE61500C0, 0x00000002 WAIT 1, 0xFE40009C @@ -37,6 +34,9 @@ ED 0xE615002C, 0x93000040 WAIT 1, 0xFE40009C +LIST "SUB/USBClk" +ED 0xE6150080, 0x00000180 + LIST "BSC" ED 0xFEC10000, 0x00E0001B @@ -53,7 +53,7 @@ ED 0xFE400048, 0x20C18505 ED 0xFE40004C, 0x00110209 ED 0xFE400010, 0x00000087 -WAIT 10, 0xFE40009C +WAIT 30, 0xFE40009C ED 0xFE400084, 0x0000003F EB 0xFE500000, 0x00 @@ -84,7 +84,7 @@ ED 0xE6150004, 0x80331050 WAIT 1, 0xFE40009C -ED 0xE6150354, 0x00000002 +ED 0xFE400354, 0x01AD8002 LIST "SCIF0 - Serial port for earlyprintk" EB 0xE6053098, 0x11 diff --git a/arch/arm/plat-samsung/dev-uart.c b/arch/arm/plat-samsung/dev-uart.c index 3776cd95245..5928105490f 100644 --- a/arch/arm/plat-samsung/dev-uart.c +++ b/arch/arm/plat-samsung/dev-uart.c @@ -15,6 +15,8 @@ #include <linux/kernel.h> #include <linux/platform_device.h> +#include <plat/devs.h> + /* uart devices */ static struct platform_device s3c24xx_uart_device0 = { diff --git a/arch/blackfin/lib/outs.S b/arch/blackfin/lib/outs.S index 250f4d4b943..06a5e674401 100644 --- a/arch/blackfin/lib/outs.S +++ b/arch/blackfin/lib/outs.S @@ -13,6 +13,8 @@ .align 2 ENTRY(_outsl) + CC = R2 == 0; + IF CC JUMP 1f; P0 = R0; /* P0 = port */ P1 = R1; /* P1 = address */ P2 = R2; /* P2 = count */ @@ -20,10 +22,12 @@ ENTRY(_outsl) LSETUP( .Llong_loop_s, .Llong_loop_e) LC0 = P2; .Llong_loop_s: R0 = [P1++]; .Llong_loop_e: [P0] = R0; - RTS; +1: RTS; ENDPROC(_outsl) ENTRY(_outsw) + CC = R2 == 0; + IF CC JUMP 1f; P0 = R0; /* P0 = port */ P1 = R1; /* P1 = address */ P2 = R2; /* P2 = count */ @@ -31,10 +35,12 @@ ENTRY(_outsw) LSETUP( .Lword_loop_s, .Lword_loop_e) LC0 = P2; .Lword_loop_s: R0 = W[P1++]; .Lword_loop_e: W[P0] = R0; - RTS; +1: RTS; ENDPROC(_outsw) ENTRY(_outsb) + CC = R2 == 0; + IF CC JUMP 1f; P0 = R0; /* P0 = port */ P1 = R1; /* P1 = address */ P2 = R2; /* P2 = count */ @@ -42,10 +48,12 @@ ENTRY(_outsb) LSETUP( .Lbyte_loop_s, .Lbyte_loop_e) LC0 = P2; .Lbyte_loop_s: R0 = B[P1++]; .Lbyte_loop_e: B[P0] = R0; - RTS; +1: RTS; ENDPROC(_outsb) ENTRY(_outsw_8) + CC = R2 == 0; + IF CC JUMP 1f; P0 = R0; /* P0 = port */ P1 = R1; /* P1 = address */ P2 = R2; /* P2 = count */ @@ -56,5 +64,5 @@ ENTRY(_outsw_8) R0 = R0 << 8; R0 = R0 + R1; .Lword8_loop_e: W[P0] = R0; - RTS; +1: RTS; ENDPROC(_outsw_8) diff --git a/arch/blackfin/mach-common/cache.S b/arch/blackfin/mach-common/cache.S index 790c767ca95..ab4a925a443 100644 --- a/arch/blackfin/mach-common/cache.S +++ b/arch/blackfin/mach-common/cache.S @@ -58,6 +58,8 @@ 1: .ifeqs "\flushins", BROK_FLUSH_INST \flushins [P0++]; + nop; + nop; 2: nop; .else 2: \flushins [P0++]; diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index f5ecc0566bc..d88983516e2 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -4,6 +4,7 @@ config MIPS select HAVE_GENERIC_DMA_COHERENT select HAVE_IDE select HAVE_OPROFILE + select HAVE_IRQ_WORK select HAVE_PERF_EVENTS select PERF_USE_VMALLOC select HAVE_ARCH_KGDB @@ -208,6 +209,7 @@ config MACH_JZ4740 select ARCH_REQUIRE_GPIOLIB select SYS_HAS_EARLY_PRINTK select HAVE_PWM + select HAVE_CLK config LASAT bool "LASAT Networks platforms" @@ -333,6 +335,8 @@ config PNX8550_STB810 config PMC_MSP bool "PMC-Sierra MSP chipsets" depends on EXPERIMENTAL + select CEVT_R4K + select CSRC_R4K select DMA_NONCOHERENT select SWAP_IO_SPACE select NO_EXCEPT_FILL diff --git a/arch/mips/alchemy/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c index 6398fa95905..40b84b99119 100644 --- a/arch/mips/alchemy/mtx-1/board_setup.c +++ b/arch/mips/alchemy/mtx-1/board_setup.c @@ -54,8 +54,8 @@ int mtx1_pci_idsel(unsigned int devsel, int assert); static void mtx1_reset(char *c) { - /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ - au_writel(0x00000000, 0xAE00001C); + /* Jump to the reset vector */ + __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); } static void mtx1_power_off(void) diff --git a/arch/mips/alchemy/mtx-1/platform.c b/arch/mips/alchemy/mtx-1/platform.c index e30e42add69..956f946218c 100644 --- a/arch/mips/alchemy/mtx-1/platform.c +++ b/arch/mips/alchemy/mtx-1/platform.c @@ -28,6 +28,8 @@ #include <linux/mtd/physmap.h> #include <mtd/mtd-abi.h> +#include <asm/mach-au1x00/au1xxx_eth.h> + static struct gpio_keys_button mtx1_gpio_button[] = { { .gpio = 207, @@ -140,10 +142,17 @@ static struct __initdata platform_device * mtx1_devs[] = { &mtx1_mtd, }; +static struct au1000_eth_platform_data mtx1_au1000_eth0_pdata = { + .phy_search_highest_addr = 1, + .phy1_search_mac0 = 1, +}; + static int __init mtx1_register_devices(void) { int rc; + au1xxx_override_eth_cfg(0, &mtx1_au1000_eth0_pdata); + rc = gpio_request(mtx1_gpio_button[0].gpio, mtx1_gpio_button[0].desc); if (rc < 0) { diff --git a/arch/mips/alchemy/xxs1500/board_setup.c b/arch/mips/alchemy/xxs1500/board_setup.c index b43c918925d..80c521e5290 100644 --- a/arch/mips/alchemy/xxs1500/board_setup.c +++ b/arch/mips/alchemy/xxs1500/board_setup.c @@ -36,8 +36,8 @@ static void xxs1500_reset(char *c) { - /* Hit BCSR.SYSTEM_CONTROL[SW_RST] */ - au_writel(0x00000000, 0xAE00001C); + /* Jump to the reset vector */ + __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); } static void xxs1500_power_off(void) diff --git a/arch/mips/include/asm/perf_event.h b/arch/mips/include/asm/perf_event.h index e00007cf816..d0c77496c72 100644 --- a/arch/mips/include/asm/perf_event.h +++ b/arch/mips/include/asm/perf_event.h @@ -11,15 +11,5 @@ #ifndef __MIPS_PERF_EVENT_H__ #define __MIPS_PERF_EVENT_H__ - -/* - * MIPS performance counters do not raise NMI upon overflow, a regular - * interrupt will be signaled. Hence we can do the pending perf event - * work at the tail of the irq handler. - */ -static inline void -set_perf_event_pending(void) -{ -} - +/* Leave it empty here. The file is required by linux/perf_event.h */ #endif /* __MIPS_PERF_EVENT_H__ */ diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index 5a84a1f1123..94ca2b018af 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -17,29 +17,13 @@ #include <asm/cacheflush.h> #include <asm/uasm.h> -/* - * If the Instruction Pointer is in module space (0xc0000000), return true; - * otherwise, it is in kernel space (0x80000000), return false. - * - * FIXME: This will not work when the kernel space and module space are the - * same. If they are the same, we need to modify scripts/recordmcount.pl, - * ftrace_make_nop/call() and the other related parts to ensure the - * enabling/disabling of the calling site to _mcount is right for both kernel - * and module. - */ - -static inline int in_module(unsigned long ip) -{ - return ip & 0x40000000; -} +#include <asm-generic/sections.h> #ifdef CONFIG_DYNAMIC_FTRACE #define JAL 0x0c000000 /* jump & link: ip --> ra, jump to target */ #define ADDR_MASK 0x03ffffff /* op_code|addr : 31...26|25 ....0 */ -#define INSN_B_1F_4 0x10000004 /* b 1f; offset = 4 */ -#define INSN_B_1F_5 0x10000005 /* b 1f; offset = 5 */ #define INSN_NOP 0x00000000 /* nop */ #define INSN_JAL(addr) \ ((unsigned int)(JAL | (((addr) >> 2) & ADDR_MASK))) @@ -69,6 +53,20 @@ static inline void ftrace_dyn_arch_init_insns(void) #endif } +/* + * Check if the address is in kernel space + * + * Clone core_kernel_text() from kernel/extable.c, but doesn't call + * init_kernel_text() for Ftrace doesn't trace functions in init sections. + */ +static inline int in_kernel_space(unsigned long ip) +{ + if (ip >= (unsigned long)_stext && + ip <= (unsigned long)_etext) + return 1; + return 0; +} + static int ftrace_modify_code(unsigned long ip, unsigned int new_code) { int faulted; @@ -84,6 +82,42 @@ static int ftrace_modify_code(unsigned long ip, unsigned int new_code) return 0; } +/* + * The details about the calling site of mcount on MIPS + * + * 1. For kernel: + * + * move at, ra + * jal _mcount --> nop + * + * 2. For modules: + * + * 2.1 For KBUILD_MCOUNT_RA_ADDRESS and CONFIG_32BIT + * + * lui v1, hi_16bit_of_mcount --> b 1f (0x10000005) + * addiu v1, v1, low_16bit_of_mcount + * move at, ra + * move $12, ra_address + * jalr v1 + * sub sp, sp, 8 + * 1: offset = 5 instructions + * 2.2 For the Other situations + * + * lui v1, hi_16bit_of_mcount --> b 1f (0x10000004) + * addiu v1, v1, low_16bit_of_mcount + * move at, ra + * jalr v1 + * nop | move $12, ra_address | sub sp, sp, 8 + * 1: offset = 4 instructions + */ + +#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT) +#define MCOUNT_OFFSET_INSNS 5 +#else +#define MCOUNT_OFFSET_INSNS 4 +#endif +#define INSN_B_1F (0x10000000 | MCOUNT_OFFSET_INSNS) + int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec, unsigned long addr) { @@ -91,39 +125,11 @@ int ftrace_make_nop(struct module *mod, unsigned long ip = rec->ip; /* - * We have compiled module with -mlong-calls, but compiled the kernel - * without it, we need to cope with them respectively. + * If ip is in kernel space, no long call, otherwise, long call is + * needed. */ - if (in_module(ip)) { -#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT) - /* - * lui v1, hi_16bit_of_mcount --> b 1f (0x10000005) - * addiu v1, v1, low_16bit_of_mcount - * move at, ra - * move $12, ra_address - * jalr v1 - * sub sp, sp, 8 - * 1: offset = 5 instructions - */ - new = INSN_B_1F_5; -#else - /* - * lui v1, hi_16bit_of_mcount --> b 1f (0x10000004) - * addiu v1, v1, low_16bit_of_mcount - * move at, ra - * jalr v1 - * nop | move $12, ra_address | sub sp, sp, 8 - * 1: offset = 4 instructions - */ - new = INSN_B_1F_4; -#endif - } else { - /* - * move at, ra - * jal _mcount --> nop - */ - new = INSN_NOP; - } + new = in_kernel_space(ip) ? INSN_NOP : INSN_B_1F; + return ftrace_modify_code(ip, new); } @@ -132,8 +138,8 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) unsigned int new; unsigned long ip = rec->ip; - /* ip, module: 0xc0000000, kernel: 0x80000000 */ - new = in_module(ip) ? insn_lui_v1_hi16_mcount : insn_jal_ftrace_caller; + new = in_kernel_space(ip) ? insn_jal_ftrace_caller : + insn_lui_v1_hi16_mcount; return ftrace_modify_code(ip, new); } @@ -190,29 +196,25 @@ int ftrace_disable_ftrace_graph_caller(void) #define S_R_SP (0xafb0 << 16) /* s{d,w} R, offset(sp) */ #define OFFSET_MASK 0xffff /* stack offset range: 0 ~ PT_SIZE */ -unsigned long ftrace_get_parent_addr(unsigned long self_addr, - unsigned long parent, - unsigned long parent_addr, - unsigned long fp) +unsigned long ftrace_get_parent_ra_addr(unsigned long self_ra, unsigned long + old_parent_ra, unsigned long parent_ra_addr, unsigned long fp) { - unsigned long sp, ip, ra; + unsigned long sp, ip, tmp; unsigned int code; int faulted; /* - * For module, move the ip from calling site of mcount to the - * instruction "lui v1, hi_16bit_of_mcount"(offset is 20), but for - * kernel, move to the instruction "move ra, at"(offset is 12) + * For module, move the ip from the return address after the + * instruction "lui v1, hi_16bit_of_mcount"(offset is 24), but for + * kernel, move after the instruction "move ra, at"(offset is 16) */ - ip = self_addr - (in_module(self_addr) ? 20 : 12); + ip = self_ra - (in_kernel_space(self_ra) ? 16 : 24); /* * search the text until finding the non-store instruction or "s{d,w} * ra, offset(sp)" instruction */ do { - ip -= 4; - /* get the code at "ip": code = *(unsigned int *)ip; */ safe_load_code(code, ip, faulted); @@ -224,18 +226,20 @@ unsigned long ftrace_get_parent_addr(unsigned long self_addr, * store the ra on the stack */ if ((code & S_R_SP) != S_R_SP) - return parent_addr; + return parent_ra_addr; - } while (((code & S_RA_SP) != S_RA_SP)); + /* Move to the next instruction */ + ip -= 4; + } while ((code & S_RA_SP) != S_RA_SP); sp = fp + (code & OFFSET_MASK); - /* ra = *(unsigned long *)sp; */ - safe_load_stack(ra, sp, faulted); + /* tmp = *(unsigned long *)sp; */ + safe_load_stack(tmp, sp, faulted); if (unlikely(faulted)) return 0; - if (ra == parent) + if (tmp == old_parent_ra) return sp; return 0; } @@ -246,21 +250,21 @@ unsigned long ftrace_get_parent_addr(unsigned long self_addr, * Hook the return address and push it in the stack of return addrs * in current thread info. */ -void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr, +void prepare_ftrace_return(unsigned long *parent_ra_addr, unsigned long self_ra, unsigned long fp) { - unsigned long old; + unsigned long old_parent_ra; struct ftrace_graph_ent trace; unsigned long return_hooker = (unsigned long) &return_to_handler; - int faulted; + int faulted, insns; if (unlikely(atomic_read(¤t->tracing_graph_pause))) return; /* - * "parent" is the stack address saved the return address of the caller - * of _mcount. + * "parent_ra_addr" is the stack address saved the return address of + * the caller of _mcount. * * if the gcc < 4.5, a leaf function does not save the return address * in the stack address, so, we "emulate" one in _mcount's stack space, @@ -275,37 +279,44 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr, * do it in ftrace_graph_caller of mcount.S. */ - /* old = *parent; */ - safe_load_stack(old, parent, faulted); + /* old_parent_ra = *parent_ra_addr; */ + safe_load_stack(old_parent_ra, parent_ra_addr, faulted); if (unlikely(faulted)) goto out; #ifndef KBUILD_MCOUNT_RA_ADDRESS - parent = (unsigned long *)ftrace_get_parent_addr(self_addr, old, - (unsigned long)parent, fp); + parent_ra_addr = (unsigned long *)ftrace_get_parent_ra_addr(self_ra, + old_parent_ra, (unsigned long)parent_ra_addr, fp); /* * If fails when getting the stack address of the non-leaf function's * ra, stop function graph tracer and return */ - if (parent == 0) + if (parent_ra_addr == 0) goto out; #endif - /* *parent = return_hooker; */ - safe_store_stack(return_hooker, parent, faulted); + /* *parent_ra_addr = return_hooker; */ + safe_store_stack(return_hooker, parent_ra_addr, faulted); if (unlikely(faulted)) goto out; - if (ftrace_push_return_trace(old, self_addr, &trace.depth, fp) == - -EBUSY) { - *parent = old; + if (ftrace_push_return_trace(old_parent_ra, self_ra, &trace.depth, fp) + == -EBUSY) { + *parent_ra_addr = old_parent_ra; return; } - trace.func = self_addr; + /* + * Get the recorded ip of the current mcount calling site in the + * __mcount_loc section, which will be used to filter the function + * entries configured through the tracing/set_graph_function interface. + */ + + insns = in_kernel_space(self_ra) ? 2 : MCOUNT_OFFSET_INSNS + 1; + trace.func = self_ra - (MCOUNT_INSN_SIZE * insns); /* Only trace if the calling function expects to */ if (!ftrace_graph_entry(&trace)) { current->curr_ret_stack--; - *parent = old; + *parent_ra_addr = old_parent_ra; } return; out: diff --git a/arch/mips/kernel/perf_event.c b/arch/mips/kernel/perf_event.c index 2b7f3f703b8..a8244854d3d 100644 --- a/arch/mips/kernel/perf_event.c +++ b/arch/mips/kernel/perf_event.c @@ -161,41 +161,6 @@ mipspmu_event_set_period(struct perf_event *event, return ret; } -static int mipspmu_enable(struct perf_event *event) -{ - struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); - struct hw_perf_event *hwc = &event->hw; - int idx; - int err = 0; - - /* To look for a free counter for this event. */ - idx = mipspmu->alloc_counter(cpuc, hwc); - if (idx < 0) { - err = idx; - goto out; - } - - /* - * If there is an event in the counter we are going to use then - * make sure it is disabled. - */ - event->hw.idx = idx; - mipspmu->disable_event(idx); - cpuc->events[idx] = event; - - /* Set the period for the event. */ - mipspmu_event_set_period(event, hwc, idx); - - /* Enable the event. */ - mipspmu->enable_event(hwc, idx); - - /* Propagate our changes to the userspace mapping. */ - perf_event_update_userpage(event); - -out: - return err; -} - static void mipspmu_event_update(struct perf_event *event, struct hw_perf_event *hwc, int idx) @@ -204,7 +169,7 @@ static void mipspmu_event_update(struct perf_event *event, unsigned long flags; int shift = 64 - TOTAL_BITS; s64 prev_raw_count, new_raw_count; - s64 delta; + u64 delta; again: prev_raw_count = local64_read(&hwc->prev_count); @@ -231,32 +196,90 @@ again: return; } -static void mipspmu_disable(struct perf_event *event) +static void mipspmu_start(struct perf_event *event, int flags) +{ + struct hw_perf_event *hwc = &event->hw; + + if (!mipspmu) + return; + + if (flags & PERF_EF_RELOAD) + WARN_ON_ONCE(!(hwc->state & PERF_HES_UPTODATE)); + + hwc->state = 0; + + /* Set the period for the event. */ + mipspmu_event_set_period(event, hwc, hwc->idx); + + /* Enable the event. */ + mipspmu->enable_event(hwc, hwc->idx); +} + +static void mipspmu_stop(struct perf_event *event, int flags) +{ + struct hw_perf_event *hwc = &event->hw; + + if (!mipspmu) + return; + + if (!(hwc->state & PERF_HES_STOPPED)) { + /* We are working on a local event. */ + mipspmu->disable_event(hwc->idx); + barrier(); + mipspmu_event_update(event, hwc, hwc->idx); + hwc->state |= PERF_HES_STOPPED | PERF_HES_UPTODATE; + } +} + +static int mipspmu_add(struct perf_event *event, int flags) { struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); struct hw_perf_event *hwc = &event->hw; - int idx = hwc->idx; + int idx; + int err = 0; + perf_pmu_disable(event->pmu); - WARN_ON(idx < 0 || idx >= mipspmu->num_counters); + /* To look for a free counter for this event. */ + idx = mipspmu->alloc_counter(cpuc, hwc); + if (idx < 0) { + err = idx; + goto out; + } - /* We are working on a local event. */ + /* + * If there is an event in the counter we are going to use then + * make sure it is disabled. + */ + event->hw.idx = idx; mipspmu->disable_event(idx); + cpuc->events[idx] = event; - barrier(); - - mipspmu_event_update(event, hwc, idx); - cpuc->events[idx] = NULL; - clear_bit(idx, cpuc->used_mask); + hwc->state = PERF_HES_STOPPED | PERF_HES_UPTODATE; + if (flags & PERF_EF_START) + mipspmu_start(event, PERF_EF_RELOAD); + /* Propagate our changes to the userspace mapping. */ perf_event_update_userpage(event); + +out: + perf_pmu_enable(event->pmu); + return err; } -static void mipspmu_unthrottle(struct perf_event *event) +static void mipspmu_del(struct perf_event *event, int flags) { + struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events); struct hw_perf_event *hwc = &event->hw; + int idx = hwc->idx; - mipspmu->enable_event(hwc, hwc->idx); + WARN_ON(idx < 0 || idx >= mipspmu->num_counters); + + mipspmu_stop(event, PERF_EF_UPDATE); + cpuc->events[idx] = NULL; + clear_bit(idx, cpuc->used_mask); + + perf_event_update_userpage(event); } static void mipspmu_read(struct perf_event *event) @@ -270,12 +293,17 @@ static void mipspmu_read(struct perf_event *event) mipspmu_event_update(event, hwc, hwc->idx); } -static struct pmu pmu = { - .enable = mipspmu_enable, - .disable = mipspmu_disable, - .unthrottle = mipspmu_unthrottle, - .read = mipspmu_read, -}; +static void mipspmu_enable(struct pmu *pmu) +{ + if (mipspmu) + mipspmu->start(); +} + +static void mipspmu_disable(struct pmu *pmu) +{ + if (mipspmu) + mipspmu->stop(); +} static atomic_t active_events = ATOMIC_INIT(0); static DEFINE_MUTEX(pmu_reserve_mutex); @@ -318,6 +346,82 @@ static void mipspmu_free_irq(void) perf_irq = save_perf_irq; } +/* + * mipsxx/rm9000/loongson2 have different performance counters, they have + * specific low-level init routines. + */ +static void reset_counters(void *arg); +static int __hw_perf_event_init(struct perf_event *event); + +static void hw_perf_event_destroy(struct perf_event *event) +{ + if (atomic_dec_and_mutex_lock(&active_events, + &pmu_reserve_mutex)) { + /* + * We must not call the destroy function with interrupts + * disabled. + */ + on_each_cpu(reset_counters, + (void *)(long)mipspmu->num_counters, 1); + mipspmu_free_irq(); + mutex_unlock(&pmu_reserve_mutex); + } +} + +static int mipspmu_event_init(struct perf_event *event) +{ + int err = 0; + + switch (event->attr.type) { + case PERF_TYPE_RAW: + case PERF_TYPE_HARDWARE: + case PERF_TYPE_HW_CACHE: + break; + + default: + return -ENOENT; + } + + if (!mipspmu || event->cpu >= nr_cpumask_bits || + (event->cpu >= 0 && !cpu_online(event->cpu))) + return -ENODEV; + + if (!atomic_inc_not_zero(&active_events)) { + if (atomic_read(&active_events) > MIPS_MAX_HWEVENTS) { + atomic_dec(&active_events); + return -ENOSPC; + } + + mutex_lock(&pmu_reserve_mutex); + if (atomic_read(&active_events) == 0) + err = mipspmu_get_irq(); + + if (!err) + atomic_inc(&active_events); + mutex_unlock(&pmu_reserve_mutex); + } + + if (err) + return err; + + err = __hw_perf_event_init(event); + if (err) + hw_perf_event_destroy(event); + + return err; +} + +static struct pmu pmu = { + .pmu_enable = mipspmu_enable, + .pmu_disable = mipspmu_disable, + .event_init = mipspmu_event_init, + .add = mipspmu_add, + .del = mipspmu_del, + .start = mipspmu_start, + .stop = mipspmu_stop, + .read = mipspmu_read, +}; + static inline unsigned int mipspmu_perf_event_encode(const struct mips_perf_event *pev) { @@ -382,8 +486,9 @@ static int validate_event(struct cpu_hw_events *cpuc, { struct hw_perf_event fake_hwc = event->hw; - if (event->pmu && event->pmu != &pmu) - return 0; + /* Allow mixed event group. So return 1 to pass validation. */ + if (event->pmu != &pmu || event->state <= PERF_EVENT_STATE_OFF) + return 1; return mipspmu->alloc_counter(cpuc, &fake_hwc) >= 0; } @@ -409,73 +514,6 @@ static int validate_group(struct perf_event *event) return 0; } -/* - * mipsxx/rm9000/loongson2 have different performance counters, they have - * specific low-level init routines. - */ -static void reset_counters(void *arg); -static int __hw_perf_event_init(struct perf_event *event); - -static void hw_perf_event_destroy(struct perf_event *event) -{ - if (atomic_dec_and_mutex_lock(&active_events, - &pmu_reserve_mutex)) { - /* - * We must not call the destroy function with interrupts - * disabled. - */ - on_each_cpu(reset_counters, - (void *)(long)mipspmu->num_counters, 1); - mipspmu_free_irq(); - mutex_unlock(&pmu_reserve_mutex); - } -} - -const struct pmu *hw_perf_event_init(struct perf_event *event) -{ - int err = 0; - - if (!mipspmu || event->cpu >= nr_cpumask_bits || - (event->cpu >= 0 && !cpu_online(event->cpu))) - return ERR_PTR(-ENODEV); - - if (!atomic_inc_not_zero(&active_events)) { - if (atomic_read(&active_events) > MIPS_MAX_HWEVENTS) { - atomic_dec(&active_events); - return ERR_PTR(-ENOSPC); - } - - mutex_lock(&pmu_reserve_mutex); - if (atomic_read(&active_events) == 0) - err = mipspmu_get_irq(); - - if (!err) - atomic_inc(&active_events); - mutex_unlock(&pmu_reserve_mutex); - } - - if (err) - return ERR_PTR(err); - - err = __hw_perf_event_init(event); - if (err) - hw_perf_event_destroy(event); - - return err ? ERR_PTR(err) : &pmu; -} - -void hw_perf_enable(void) -{ - if (mipspmu) - mipspmu->start(); -} - -void hw_perf_disable(void) -{ - if (mipspmu) - mipspmu->stop(); -} - /* This is needed by specific irq handlers in perf_event_*.c */ static void handle_associated_event(struct cpu_hw_events *cpuc, @@ -496,21 +534,13 @@ handle_associated_event(struct cpu_hw_events *cpuc, #include "perf_event_mipsxx.c" /* Callchain handling code. */ -static inline void -callchain_store(struct perf_callchain_entry *entry, - u64 ip) -{ - if (entry->nr < PERF_MAX_STACK_DEPTH) - entry->ip[entry->nr++] = ip; -} /* * Leave userspace callchain empty for now. When we find a way to trace * the user stack callchains, we add here. */ -static void -perf_callchain_user(struct pt_regs *regs, - struct perf_callchain_entry *entry) +void perf_callchain_user(struct perf_callchain_entry *entry, + struct pt_regs *regs) { } @@ -523,23 +553,21 @@ static void save_raw_perf_callchain(struct perf_callchain_entry *entry, while (!kstack_end(sp)) { addr = *sp++; if (__kernel_text_address(addr)) { - callchain_store(entry, addr); + perf_callchain_store(entry, addr); if (entry->nr >= PERF_MAX_STACK_DEPTH) break; } } } -static void -perf_callchain_kernel(struct pt_regs *regs, - struct perf_callchain_entry *entry) +void perf_callchain_kernel(struct perf_callchain_entry *entry, + struct pt_regs *regs) { unsigned long sp = regs->regs[29]; #ifdef CONFIG_KALLSYMS unsigned long ra = regs->regs[31]; unsigned long pc = regs->cp0_epc; - callchain_store(entry, PERF_CONTEXT_KERNEL); if (raw_show_trace || !__kernel_text_address(pc)) { unsigned long stack_page = (unsigned long)task_stack_page(current); @@ -549,53 +577,12 @@ perf_callchain_kernel(struct pt_regs *regs, return; } do { - callchain_store(entry, pc); + perf_callchain_store(entry, pc); if (entry->nr >= PERF_MAX_STACK_DEPTH) break; pc = unwind_stack(current, &sp, pc, &ra); } while (pc); #else - callchain_store(entry, PERF_CONTEXT_KERNEL); save_raw_perf_callchain(entry, sp); #endif } - -static void -perf_do_callchain(struct pt_regs *regs, - struct perf_callchain_entry *entry) -{ - int is_user; - - if (!regs) - return; - - is_user = user_mode(regs); - - if (!current || !current->pid) - return; - - if (is_user && current->state != TASK_RUNNING) - return; - - if (!is_user) { - perf_callchain_kernel(regs, entry); - if (current->mm) - regs = task_pt_regs(current); - else - regs = NULL; - } - if (regs) - perf_callchain_user(regs, entry); -} - -static DEFINE_PER_CPU(struct perf_callchain_entry, pmc_irq_entry); - -struct perf_callchain_entry * -perf_callchain(struct pt_regs *regs) -{ - struct perf_callchain_entry *entry = &__get_cpu_var(pmc_irq_entry); - - entry->nr = 0; - perf_do_callchain(regs, entry); - return entry; -} diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index 183e0d22666..d9a7db78ed6 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -696,7 +696,7 @@ static int mipsxx_pmu_handle_shared_irq(void) * interrupt, not NMI. */ if (handled == IRQ_HANDLED) - perf_event_do_pending(); + irq_work_run(); #ifdef CONFIG_MIPS_MT_SMP read_unlock(&pmuint_rwlock); @@ -1045,6 +1045,8 @@ init_hw_perf_events(void) "CPU, irq %d%s\n", mipspmu->name, counters, irq, irq < 0 ? " (share with timer interrupt)" : ""); + perf_pmu_register(&pmu, "cpu", PERF_TYPE_RAW); + return 0; } early_initcall(init_hw_perf_events); diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 5922342bca3..dbbe0ce48d8 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -84,7 +84,7 @@ static int protected_save_fp_context(struct sigcontext __user *sc) static int protected_restore_fp_context(struct sigcontext __user *sc) { - int err, tmp; + int err, tmp __maybe_unused; while (1) { lock_fpu_owner(); own_fpu_inatomic(0); diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index a0ed0e052b2..aae98661379 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -115,7 +115,7 @@ static int protected_save_fp_context32(struct sigcontext32 __user *sc) static int protected_restore_fp_context32(struct sigcontext32 __user *sc) { - int err, tmp; + int err, tmp __maybe_unused; while (1) { lock_fpu_owner(); own_fpu_inatomic(0); diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 383aeb95cb4..32a25610108 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -193,6 +193,22 @@ void __devinit smp_prepare_boot_cpu(void) */ static struct task_struct *cpu_idle_thread[NR_CPUS]; +struct create_idle { + struct work_struct work; + struct task_struct *idle; + struct completion done; + int cpu; +}; + +static void __cpuinit do_fork_idle(struct work_struct *work) +{ + struct create_idle *c_idle = + container_of(work, struct create_idle, work); + + c_idle->idle = fork_idle(c_idle->cpu); + complete(&c_idle->done); +} + int __cpuinit __cpu_up(unsigned int cpu) { struct task_struct *idle; @@ -203,8 +219,19 @@ int __cpuinit __cpu_up(unsigned int cpu) * Linux can schedule processes on this slave. */ if (!cpu_idle_thread[cpu]) { - idle = fork_idle(cpu); - cpu_idle_thread[cpu] = idle; + /* + * Schedule work item to avoid forking user task + * Ported from arch/x86/kernel/smpboot.c + */ + struct create_idle c_idle = { + .cpu = cpu, + .done = COMPLETION_INITIALIZER_ONSTACK(c_idle.done), + }; + + INIT_WORK_ONSTACK(&c_idle.work, do_fork_idle); + schedule_work(&c_idle.work); + wait_for_completion(&c_idle.done); + idle = cpu_idle_thread[cpu] = c_idle.idle; if (IS_ERR(idle)) panic(KERN_ERR "Fork failed for CPU %d", cpu); diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index 1dc6edff45e..58beabf50b3 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -383,12 +383,11 @@ save_static_function(sys_sysmips); static int __used noinline _sys_sysmips(nabi_no_regargs struct pt_regs regs) { - long cmd, arg1, arg2, arg3; + long cmd, arg1, arg2; cmd = regs.regs[4]; arg1 = regs.regs[5]; arg2 = regs.regs[6]; - arg3 = regs.regs[7]; switch (cmd) { case MIPS_ATOMIC_SET: @@ -405,7 +404,7 @@ _sys_sysmips(nabi_no_regargs struct pt_regs regs) if (arg1 & 2) set_thread_flag(TIF_LOGADE); else - clear_thread_flag(TIF_FIXADE); + clear_thread_flag(TIF_LOGADE); return 0; diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index 6a1fdfef8fd..ab52b7cf3b6 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -148,9 +148,9 @@ struct { spinlock_t tc_list_lock; struct list_head tc_list; /* Thread contexts */ } vpecontrol = { - .vpe_list_lock = SPIN_LOCK_UNLOCKED, + .vpe_list_lock = __SPIN_LOCK_UNLOCKED(vpe_list_lock), .vpe_list = LIST_HEAD_INIT(vpecontrol.vpe_list), - .tc_list_lock = SPIN_LOCK_UNLOCKED, + .tc_list_lock = __SPIN_LOCK_UNLOCKED(tc_list_lock), .tc_list = LIST_HEAD_INIT(vpecontrol.tc_list) }; diff --git a/arch/mips/loongson/Kconfig b/arch/mips/loongson/Kconfig index 6e1b77fec7e..aca93eed877 100644 --- a/arch/mips/loongson/Kconfig +++ b/arch/mips/loongson/Kconfig @@ -1,6 +1,7 @@ +if MACH_LOONGSON + choice prompt "Machine Type" - depends on MACH_LOONGSON config LEMOTE_FULOONG2E bool "Lemote Fuloong(2e) mini-PC" @@ -87,3 +88,5 @@ config LOONGSON_UART_BASE config LOONGSON_MC146818 bool default n + +endif # MACH_LOONGSON diff --git a/arch/mips/loongson/common/cmdline.c b/arch/mips/loongson/common/cmdline.c index 1a06defc4f7..353e1d2e41a 100644 --- a/arch/mips/loongson/common/cmdline.c +++ b/arch/mips/loongson/common/cmdline.c @@ -44,10 +44,5 @@ void __init prom_init_cmdline(void) strcat(arcs_cmdline, " "); } - if ((strstr(arcs_cmdline, "console=")) == NULL) - strcat(arcs_cmdline, " console=ttyS0,115200"); - if ((strstr(arcs_cmdline, "root=")) == NULL) - strcat(arcs_cmdline, " root=/dev/hda1"); - prom_init_machtype(); } diff --git a/arch/mips/loongson/common/machtype.c b/arch/mips/loongson/common/machtype.c index 81fbe6b73f9..2efd5d9dee2 100644 --- a/arch/mips/loongson/common/machtype.c +++ b/arch/mips/loongson/common/machtype.c @@ -41,7 +41,7 @@ void __weak __init mach_prom_init_machtype(void) void __init prom_init_machtype(void) { - char *p, str[MACHTYPE_LEN]; + char *p, str[MACHTYPE_LEN + 1]; int machtype = MACH_LEMOTE_FL2E; mips_machtype = LOONGSON_MACHTYPE; @@ -53,6 +53,7 @@ void __init prom_init_machtype(void) } p += strlen("machtype="); strncpy(str, p, MACHTYPE_LEN); + str[MACHTYPE_LEN] = '\0'; p = strstr(str, " "); if (p) *p = '\0'; diff --git a/arch/mips/math-emu/ieee754int.h b/arch/mips/math-emu/ieee754int.h index 2701d950095..2a7d43f4f16 100644 --- a/arch/mips/math-emu/ieee754int.h +++ b/arch/mips/math-emu/ieee754int.h @@ -70,7 +70,7 @@ #define COMPXSP \ - unsigned xm; int xe; int xs; int xc + unsigned xm; int xe; int xs __maybe_unused; int xc #define COMPYSP \ unsigned ym; int ye; int ys; int yc @@ -104,7 +104,7 @@ #define COMPXDP \ -u64 xm; int xe; int xs; int xc +u64 xm; int xe; int xs __maybe_unused; int xc #define COMPYDP \ u64 ym; int ye; int ys; int yc diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 2efcbd24c82..279599e9a77 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -324,7 +324,7 @@ int page_is_ram(unsigned long pagenr) void __init paging_init(void) { unsigned long max_zone_pfns[MAX_NR_ZONES]; - unsigned long lastpfn; + unsigned long lastpfn __maybe_unused; pagetable_init(); diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 083d3412d0b..04f9e17db9d 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -109,6 +109,8 @@ static bool scratchpad_available(void) static int scratchpad_offset(int i) { BUG(); + /* Really unreachable, but evidently some GCC want this. */ + return 0; } #endif /* diff --git a/arch/mips/pci/ops-pmcmsp.c b/arch/mips/pci/ops-pmcmsp.c index b7c03d80c88..68798f869c0 100644 --- a/arch/mips/pci/ops-pmcmsp.c +++ b/arch/mips/pci/ops-pmcmsp.c @@ -308,7 +308,7 @@ static struct resource pci_mem_resource = { * RETURNS: PCIBIOS_SUCCESSFUL - success * ****************************************************************************/ -static int bpci_interrupt(int irq, void *dev_id) +static irqreturn_t bpci_interrupt(int irq, void *dev_id) { struct msp_pci_regs *preg = (void *)PCI_BASE_REG; unsigned int stat = preg->if_status; @@ -326,7 +326,7 @@ static int bpci_interrupt(int irq, void *dev_id) /* write to clear all asserted interrupts */ preg->if_status = stat; - return PCIBIOS_SUCCESSFUL; + return IRQ_HANDLED; } /***************************************************************************** diff --git a/arch/mips/pmc-sierra/Kconfig b/arch/mips/pmc-sierra/Kconfig index c139988bb85..8d798497c61 100644 --- a/arch/mips/pmc-sierra/Kconfig +++ b/arch/mips/pmc-sierra/Kconfig @@ -4,15 +4,11 @@ choice config PMC_MSP4200_EVAL bool "PMC-Sierra MSP4200 Eval Board" - select CEVT_R4K - select CSRC_R4K select IRQ_MSP_SLP select HW_HAS_PCI config PMC_MSP4200_GW bool "PMC-Sierra MSP4200 VoIP Gateway" - select CEVT_R4K - select CSRC_R4K select IRQ_MSP_SLP select HW_HAS_PCI diff --git a/arch/mips/pmc-sierra/msp71xx/msp_time.c b/arch/mips/pmc-sierra/msp71xx/msp_time.c index cca64e15f57..01df84ce31e 100644 --- a/arch/mips/pmc-sierra/msp71xx/msp_time.c +++ b/arch/mips/pmc-sierra/msp71xx/msp_time.c @@ -81,7 +81,7 @@ void __init plat_time_init(void) mips_hpt_frequency = cpu_rate/2; } -unsigned int __init get_c0_compare_int(void) +unsigned int __cpuinit get_c0_compare_int(void) { return MSP_INT_VPE0_TIMER; } diff --git a/arch/mn10300/include/asm/atomic.h b/arch/mn10300/include/asm/atomic.h index 92d2f9298e3..9d773a63951 100644 --- a/arch/mn10300/include/asm/atomic.h +++ b/arch/mn10300/include/asm/atomic.h @@ -139,7 +139,7 @@ static inline unsigned long __cmpxchg(volatile unsigned long *m, * Atomically reads the value of @v. Note that the guaranteed * useful range of an atomic_t is only 24 bits. */ -#define atomic_read(v) ((v)->counter) +#define atomic_read(v) (ACCESS_ONCE((v)->counter)) /** * atomic_set - set atomic variable diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h index 679dee0bbd0..3d6e60dad9d 100644 --- a/arch/mn10300/include/asm/uaccess.h +++ b/arch/mn10300/include/asm/uaccess.h @@ -160,9 +160,10 @@ struct __large_struct { unsigned long buf[100]; }; #define __get_user_check(x, ptr, size) \ ({ \ + const __typeof__(ptr) __guc_ptr = (ptr); \ int _e; \ - if (likely(__access_ok((unsigned long) (ptr), (size)))) \ - _e = __get_user_nocheck((x), (ptr), (size)); \ + if (likely(__access_ok((unsigned long) __guc_ptr, (size)))) \ + _e = __get_user_nocheck((x), __guc_ptr, (size)); \ else { \ _e = -EFAULT; \ (x) = (__typeof__(x))0; \ diff --git a/arch/mn10300/mm/cache-inv-icache.c b/arch/mn10300/mm/cache-inv-icache.c index a8933a60b2d..a6b63dde603 100644 --- a/arch/mn10300/mm/cache-inv-icache.c +++ b/arch/mn10300/mm/cache-inv-icache.c @@ -69,7 +69,7 @@ static void flush_icache_page_range(unsigned long start, unsigned long end) /* invalidate the icache coverage on that region */ mn10300_local_icache_inv_range2(addr + off, size); - smp_cache_call(SMP_ICACHE_INV_FLUSH_RANGE, start, end); + smp_cache_call(SMP_ICACHE_INV_RANGE, start, end); } /** @@ -101,7 +101,7 @@ void flush_icache_range(unsigned long start, unsigned long end) * directly */ start_page = (start >= 0x80000000UL) ? start : 0x80000000UL; mn10300_icache_inv_range(start_page, end); - smp_cache_call(SMP_ICACHE_INV_FLUSH_RANGE, start, end); + smp_cache_call(SMP_ICACHE_INV_RANGE, start, end); if (start_page == start) goto done; end = start_page; diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index 380d48bacd1..26b8c807f8f 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -33,9 +33,25 @@ // //---------------------------------------------------------------------------- #include <linux/cache.h> +#include <linux/threads.h> #include <asm/types.h> #include <asm/mmu.h> +/* + * We only have to have statically allocated lppaca structs on + * legacy iSeries, which supports at most 64 cpus. + */ +#ifdef CONFIG_PPC_ISERIES +#if NR_CPUS < 64 +#define NR_LPPACAS NR_CPUS +#else +#define NR_LPPACAS 64 +#endif +#else /* not iSeries */ +#define NR_LPPACAS 1 +#endif + + /* The Hypervisor barfs if the lppaca crosses a page boundary. A 1k * alignment is sufficient to prevent this */ struct lppaca { diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 991d5998d6b..fe56a23e1ff 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -240,6 +240,12 @@ struct machdep_calls { * claims to support kexec. */ int (*machine_kexec_prepare)(struct kimage *image); + + /* Called to perform the _real_ kexec. + * Do NOT allocate memory or fail here. We are past the point of + * no return. + */ + void (*machine_kexec)(struct kimage *image); #endif /* CONFIG_KEXEC */ #ifdef CONFIG_SUSPEND diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c index 49a170af814..a5f8672eeff 100644 --- a/arch/powerpc/kernel/machine_kexec.c +++ b/arch/powerpc/kernel/machine_kexec.c @@ -87,7 +87,10 @@ void machine_kexec(struct kimage *image) save_ftrace_enabled = __ftrace_enabled_save(); - default_machine_kexec(image); + if (ppc_md.machine_kexec) + ppc_md.machine_kexec(image); + else + default_machine_kexec(image); __ftrace_enabled_restore(save_ftrace_enabled); diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c index ebf9846f3c3..f4adf89d761 100644 --- a/arch/powerpc/kernel/paca.c +++ b/arch/powerpc/kernel/paca.c @@ -27,20 +27,6 @@ extern unsigned long __toc_start; #ifdef CONFIG_PPC_BOOK3S /* - * We only have to have statically allocated lppaca structs on - * legacy iSeries, which supports at most 64 cpus. - */ -#ifdef CONFIG_PPC_ISERIES -#if NR_CPUS < 64 -#define NR_LPPACAS NR_CPUS -#else -#define NR_LPPACAS 64 -#endif -#else /* not iSeries */ -#define NR_LPPACAS 1 -#endif - -/* * The structure which the hypervisor knows about - this structure * should not cross a page boundary. The vpa_init/register_vpa call * is now known to fail if the lppaca structure crosses a page diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 7a1d5cb7693..8303a6c65ef 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -353,6 +353,7 @@ static void switch_booke_debug_regs(struct thread_struct *new_thread) prime_debug_regs(new_thread); } #else /* !CONFIG_PPC_ADV_DEBUG_REGS */ +#ifndef CONFIG_HAVE_HW_BREAKPOINT static void set_debug_reg_defaults(struct thread_struct *thread) { if (thread->dabr) { @@ -360,6 +361,7 @@ static void set_debug_reg_defaults(struct thread_struct *thread) set_dabr(0); } } +#endif /* !CONFIG_HAVE_HW_BREAKPOINT */ #endif /* CONFIG_PPC_ADV_DEBUG_REGS */ int set_dabr(unsigned long dabr) @@ -670,11 +672,11 @@ void flush_thread(void) { discard_lazy_cpu_state(); -#ifdef CONFIG_HAVE_HW_BREAKPOINTS +#ifdef CONFIG_HAVE_HW_BREAKPOINT flush_ptrace_hw_breakpoint(current); -#else /* CONFIG_HAVE_HW_BREAKPOINTS */ +#else /* CONFIG_HAVE_HW_BREAKPOINT */ set_debug_reg_defaults(¤t->thread); -#endif /* CONFIG_HAVE_HW_BREAKPOINTS */ +#endif /* CONFIG_HAVE_HW_BREAKPOINT */ } void diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index fd481232957..0dc95c0aa3b 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -1516,7 +1516,8 @@ int start_topology_update(void) { int rc = 0; - if (firmware_has_feature(FW_FEATURE_VPHN) && + /* Disabled until races with load balancing are fixed */ + if (0 && firmware_has_feature(FW_FEATURE_VPHN) && get_lppaca()->shared_proc) { vphn_enabled = 1; setup_cpu_associativity_change_counters(); diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c index 1ec06576f61..c14d09f614f 100644 --- a/arch/powerpc/mm/tlb_hash64.c +++ b/arch/powerpc/mm/tlb_hash64.c @@ -38,13 +38,11 @@ DEFINE_PER_CPU(struct ppc64_tlb_batch, ppc64_tlb_batch); * neesd to be flushed. This function will either perform the flush * immediately or will batch it up if the current CPU has an active * batch on it. - * - * Must be called from within some kind of spinlock/non-preempt region... */ void hpte_need_flush(struct mm_struct *mm, unsigned long addr, pte_t *ptep, unsigned long pte, int huge) { - struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch); + struct ppc64_tlb_batch *batch = &get_cpu_var(ppc64_tlb_batch); unsigned long vsid, vaddr; unsigned int psize; int ssize; @@ -99,6 +97,7 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr, */ if (!batch->active) { flush_hash_page(vaddr, rpte, psize, ssize, 0); + put_cpu_var(ppc64_tlb_batch); return; } @@ -127,6 +126,7 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr, batch->index = ++i; if (i >= PPC64_TLB_BATCH_NR) __flush_tlb_pending(batch); + put_cpu_var(ppc64_tlb_batch); } /* diff --git a/arch/powerpc/platforms/iseries/dt.c b/arch/powerpc/platforms/iseries/dt.c index fdb7384c0c4..f0491cc2890 100644 --- a/arch/powerpc/platforms/iseries/dt.c +++ b/arch/powerpc/platforms/iseries/dt.c @@ -242,8 +242,8 @@ static void __init dt_cpus(struct iseries_flat_dt *dt) pft_size[0] = 0; /* NUMA CEC cookie, 0 for non NUMA */ pft_size[1] = __ilog2(HvCallHpt_getHptPages() * HW_PAGE_SIZE); - for (i = 0; i < NR_CPUS; i++) { - if (lppaca_of(i).dyn_proc_status >= 2) + for (i = 0; i < NR_LPPACAS; i++) { + if (lppaca[i].dyn_proc_status >= 2) continue; snprintf(p, 32 - (p - buf), "@%d", i); @@ -251,7 +251,7 @@ static void __init dt_cpus(struct iseries_flat_dt *dt) dt_prop_str(dt, "device_type", device_type_cpu); - index = lppaca_of(i).dyn_hv_phys_proc_index; + index = lppaca[i].dyn_hv_phys_proc_index; d = &xIoHriProcessorVpd[index]; dt_prop_u32(dt, "i-cache-size", d->xInstCacheSize * 1024); diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index b0863410517..2946ae10fbf 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -680,6 +680,7 @@ void * __init iSeries_early_setup(void) * on but calling this function multiple times is fine. */ identify_cpu(0, mfspr(SPRN_PVR)); + initialise_paca(&boot_paca, 0); powerpc_firmware_features |= FW_FEATURE_ISERIES; powerpc_firmware_features |= FW_FEATURE_LPAR; diff --git a/arch/sh/include/asm/sections.h b/arch/sh/include/asm/sections.h index a78701da775..4a5350037c8 100644 --- a/arch/sh/include/asm/sections.h +++ b/arch/sh/include/asm/sections.h @@ -3,7 +3,7 @@ #include <asm-generic/sections.h> -extern void __nosave_begin, __nosave_end; +extern long __nosave_begin, __nosave_end; extern long __machvec_start, __machvec_end; extern char __uncached_start, __uncached_end; extern char _ebss[]; diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c index 672944f5b19..e53b4b38bd1 100644 --- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c +++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c @@ -14,7 +14,7 @@ #include <linux/io.h> #include <linux/sh_timer.h> #include <linux/serial_sci.h> -#include <asm/machtypes.h> +#include <generated/machtypes.h> static struct resource rtc_resources[] = { [0] = { @@ -255,12 +255,17 @@ static struct platform_device *sh7750_early_devices[] __initdata = { void __init plat_early_device_setup(void) { + struct platform_device *dev[1]; + if (mach_is_rts7751r2d()) { scif_platform_data.scscr |= SCSCR_CKE1; - early_platform_add_devices(&scif_device, 1); + dev[0] = &scif_device; + early_platform_add_devices(dev, 1); } else { - early_platform_add_devices(&sci_device, 1); - early_platform_add_devices(&scif_device, 1); + dev[0] = &sci_device; + early_platform_add_devices(dev, 1); + dev[0] = &scif_device; + early_platform_add_devices(dev, 1); } early_platform_add_devices(sh7750_early_devices, diff --git a/arch/sh/lib/delay.c b/arch/sh/lib/delay.c index faa8f86c0db..0901b2f14e1 100644 --- a/arch/sh/lib/delay.c +++ b/arch/sh/lib/delay.c @@ -10,6 +10,16 @@ void __delay(unsigned long loops) { __asm__ __volatile__( + /* + * ST40-300 appears to have an issue with this code, + * normally taking two cycles each loop, as with all + * other SH variants. If however the branch and the + * delay slot straddle an 8 byte boundary, this increases + * to 3 cycles. + * This align directive ensures this doesn't occur. + */ + ".balign 8\n\t" + "tst %0, %0\n\t" "1:\t" "bf/s 1b\n\t" diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c index 88d3dc3d30d..5a580ea0442 100644 --- a/arch/sh/mm/cache.c +++ b/arch/sh/mm/cache.c @@ -108,7 +108,8 @@ void copy_user_highpage(struct page *to, struct page *from, kunmap_atomic(vfrom, KM_USER0); } - if (pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK)) + if (pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK) || + (vma->vm_flags & VM_EXEC)) __flush_purge_region(vto, PAGE_SIZE); kunmap_atomic(vto, KM_USER1); diff --git a/arch/x86/boot/compressed/mkpiggy.c b/arch/x86/boot/compressed/mkpiggy.c index 646aa78ba5f..46a82388243 100644 --- a/arch/x86/boot/compressed/mkpiggy.c +++ b/arch/x86/boot/compressed/mkpiggy.c @@ -62,7 +62,12 @@ int main(int argc, char *argv[]) if (fseek(f, -4L, SEEK_END)) { perror(argv[1]); } - fread(&olen, sizeof olen, 1, f); + + if (fread(&olen, sizeof(olen), 1, f) != 1) { + perror(argv[1]); + return 1; + } + ilen = ftell(f); olen = getle32(&olen); fclose(f); diff --git a/arch/x86/include/asm/ce4100.h b/arch/x86/include/asm/ce4100.h new file mode 100644 index 00000000000..e656ad8c0a2 --- /dev/null +++ b/arch/x86/include/asm/ce4100.h @@ -0,0 +1,6 @@ +#ifndef _ASM_CE4100_H_ +#define _ASM_CE4100_H_ + +int ce4100_pci_init(void); + +#endif diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 4d0dfa0d998..43a18c77676 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -36,6 +36,11 @@ #define MSR_IA32_PERFCTR1 0x000000c2 #define MSR_FSB_FREQ 0x000000cd +#define MSR_NHM_SNB_PKG_CST_CFG_CTL 0x000000e2 +#define NHM_C3_AUTO_DEMOTE (1UL << 25) +#define NHM_C1_AUTO_DEMOTE (1UL << 26) +#define ATM_LNC_C6_AUTO_DEMOTE (1UL << 25) + #define MSR_MTRRcap 0x000000fe #define MSR_IA32_BBL_CR_CTL 0x00000119 diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h index ce1d54c8a43..3e094af443c 100644 --- a/arch/x86/include/asm/uv/uv_bau.h +++ b/arch/x86/include/asm/uv/uv_bau.h @@ -176,7 +176,7 @@ struct bau_msg_payload { struct bau_msg_header { unsigned int dest_subnodeid:6; /* must be 0x10, for the LB */ /* bits 5:0 */ - unsigned int base_dest_nodeid:15; /* nasid (pnode<<1) of */ + unsigned int base_dest_nodeid:15; /* nasid of the */ /* bits 20:6 */ /* first bit in uvhub map */ unsigned int command:8; /* message type */ /* bits 28:21 */ diff --git a/arch/x86/kernel/check.c b/arch/x86/kernel/check.c index 13a38917951..452932d3473 100644 --- a/arch/x86/kernel/check.c +++ b/arch/x86/kernel/check.c @@ -106,8 +106,8 @@ void __init setup_bios_corruption_check(void) addr += size; } - printk(KERN_INFO "Scanning %d areas for low memory corruption\n", - num_scan_areas); + if (num_scan_areas) + printk(KERN_INFO "Scanning %d areas for low memory corruption\n", num_scan_areas); } @@ -143,12 +143,12 @@ static void check_corruption(struct work_struct *dummy) { check_for_bios_corruption(); schedule_delayed_work(&bios_check_work, - round_jiffies_relative(corruption_check_period*HZ)); + round_jiffies_relative(corruption_check_period*HZ)); } static int start_periodic_check_for_corruption(void) { - if (!memory_corruption_check || corruption_check_period == 0) + if (!num_scan_areas || !memory_corruption_check || corruption_check_period == 0) return 0; printk(KERN_INFO "Scanning for low memory corruption every %d seconds\n", diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c index bd1cac747f6..52c93648e49 100644 --- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c +++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c @@ -158,9 +158,9 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) { if (c->x86 == 0x06) { if (cpu_has(c, X86_FEATURE_EST)) - printk(KERN_WARNING PFX "Warning: EST-capable CPU " - "detected. The acpi-cpufreq module offers " - "voltage scaling in addition of frequency " + printk_once(KERN_WARNING PFX "Warning: EST-capable " + "CPU detected. The acpi-cpufreq module offers " + "voltage scaling in addition to frequency " "scaling. You should use that instead of " "p4-clockmod, if possible.\n"); switch (c->x86_model) { diff --git a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c index 4f6f679f279..4a5a42b842a 100644 --- a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c @@ -195,7 +195,7 @@ static unsigned int pcc_get_freq(unsigned int cpu) cmd_incomplete: iowrite16(0, &pcch_hdr->status); spin_unlock(&pcc_lock); - return -EINVAL; + return 0; } static int pcc_cpufreq_target(struct cpufreq_policy *policy, diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index 35c7e65e59b..c567dec854f 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c @@ -1537,6 +1537,7 @@ static struct notifier_block cpb_nb = { static int __cpuinit powernowk8_init(void) { unsigned int i, supported_cpus = 0, cpu; + int rv; for_each_online_cpu(i) { int rc; @@ -1555,14 +1556,14 @@ static int __cpuinit powernowk8_init(void) cpb_capable = true; - register_cpu_notifier(&cpb_nb); - msrs = msrs_alloc(); if (!msrs) { printk(KERN_ERR "%s: Error allocating msrs!\n", __func__); return -ENOMEM; } + register_cpu_notifier(&cpb_nb); + rdmsr_on_cpus(cpu_online_mask, MSR_K7_HWCR, msrs); for_each_cpu(cpu, cpu_online_mask) { @@ -1574,7 +1575,13 @@ static int __cpuinit powernowk8_init(void) (cpb_enabled ? "on" : "off")); } - return cpufreq_register_driver(&cpufreq_amd64_driver); + rv = cpufreq_register_driver(&cpufreq_amd64_driver); + if (rv < 0 && boot_cpu_has(X86_FEATURE_CPB)) { + unregister_cpu_notifier(&cpb_nb); + msrs_free(msrs); + msrs = NULL; + } + return rv; } /* driver entry point for term */ diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c index 7d90ceb882a..20e3f8702d1 100644 --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -229,15 +229,14 @@ void vmalloc_sync_all(void) for (address = VMALLOC_START & PMD_MASK; address >= TASK_SIZE && address < FIXADDR_TOP; address += PMD_SIZE) { - - unsigned long flags; struct page *page; - spin_lock_irqsave(&pgd_lock, flags); + spin_lock(&pgd_lock); list_for_each_entry(page, &pgd_list, lru) { spinlock_t *pgt_lock; pmd_t *ret; + /* the pgt_lock only for Xen */ pgt_lock = &pgd_page_get_mm(page)->page_table_lock; spin_lock(pgt_lock); @@ -247,7 +246,7 @@ void vmalloc_sync_all(void) if (!ret) break; } - spin_unlock_irqrestore(&pgd_lock, flags); + spin_unlock(&pgd_lock); } } @@ -828,6 +827,13 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code, unsigned long address, unsigned int fault) { if (fault & VM_FAULT_OOM) { + /* Kernel mode? Handle exceptions or die: */ + if (!(error_code & PF_USER)) { + up_read(¤t->mm->mmap_sem); + no_context(regs, error_code, address); + return; + } + out_of_memory(regs, error_code, address); } else { if (fault & (VM_FAULT_SIGBUS|VM_FAULT_HWPOISON| diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 71a59296af8..c14a5422e15 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -105,18 +105,18 @@ void sync_global_pgds(unsigned long start, unsigned long end) for (address = start; address <= end; address += PGDIR_SIZE) { const pgd_t *pgd_ref = pgd_offset_k(address); - unsigned long flags; struct page *page; if (pgd_none(*pgd_ref)) continue; - spin_lock_irqsave(&pgd_lock, flags); + spin_lock(&pgd_lock); list_for_each_entry(page, &pgd_list, lru) { pgd_t *pgd; spinlock_t *pgt_lock; pgd = (pgd_t *)page_address(page) + pgd_index(address); + /* the pgt_lock only for Xen */ pgt_lock = &pgd_page_get_mm(page)->page_table_lock; spin_lock(pgt_lock); @@ -128,7 +128,7 @@ void sync_global_pgds(unsigned long start, unsigned long end) spin_unlock(pgt_lock); } - spin_unlock_irqrestore(&pgd_lock, flags); + spin_unlock(&pgd_lock); } } diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c index 95ea1551eeb..1337c51b07d 100644 --- a/arch/x86/mm/numa_64.c +++ b/arch/x86/mm/numa_64.c @@ -780,11 +780,7 @@ void __cpuinit numa_add_cpu(int cpu) int physnid; int nid = NUMA_NO_NODE; - apicid = early_per_cpu(x86_cpu_to_apicid, cpu); - if (apicid != BAD_APICID) - nid = apicid_to_node[apicid]; - if (nid == NUMA_NO_NODE) - nid = early_cpu_to_node(cpu); + nid = early_cpu_to_node(cpu); BUG_ON(nid == NUMA_NO_NODE || !node_online(nid)); /* diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index d343b3c81f3..90825f2eb0f 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -57,12 +57,10 @@ static unsigned long direct_pages_count[PG_LEVEL_NUM]; void update_page_count(int level, unsigned long pages) { - unsigned long flags; - /* Protect against CPA */ - spin_lock_irqsave(&pgd_lock, flags); + spin_lock(&pgd_lock); direct_pages_count[level] += pages; - spin_unlock_irqrestore(&pgd_lock, flags); + spin_unlock(&pgd_lock); } static void split_page_count(int level) @@ -394,7 +392,7 @@ static int try_preserve_large_page(pte_t *kpte, unsigned long address, struct cpa_data *cpa) { - unsigned long nextpage_addr, numpages, pmask, psize, flags, addr, pfn; + unsigned long nextpage_addr, numpages, pmask, psize, addr, pfn; pte_t new_pte, old_pte, *tmp; pgprot_t old_prot, new_prot, req_prot; int i, do_split = 1; @@ -403,7 +401,7 @@ try_preserve_large_page(pte_t *kpte, unsigned long address, if (cpa->force_split) return 1; - spin_lock_irqsave(&pgd_lock, flags); + spin_lock(&pgd_lock); /* * Check for races, another CPU might have split this page * up already: @@ -498,14 +496,14 @@ try_preserve_large_page(pte_t *kpte, unsigned long address, } out_unlock: - spin_unlock_irqrestore(&pgd_lock, flags); + spin_unlock(&pgd_lock); return do_split; } static int split_large_page(pte_t *kpte, unsigned long address) { - unsigned long flags, pfn, pfninc = 1; + unsigned long pfn, pfninc = 1; unsigned int i, level; pte_t *pbase, *tmp; pgprot_t ref_prot; @@ -519,7 +517,7 @@ static int split_large_page(pte_t *kpte, unsigned long address) if (!base) return -ENOMEM; - spin_lock_irqsave(&pgd_lock, flags); + spin_lock(&pgd_lock); /* * Check for races, another CPU might have split this page * up for us already: @@ -591,7 +589,7 @@ out_unlock: */ if (base) __free_page(base); - spin_unlock_irqrestore(&pgd_lock, flags); + spin_unlock(&pgd_lock); return 0; } diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c index 500242d3c96..0113d19c8aa 100644 --- a/arch/x86/mm/pgtable.c +++ b/arch/x86/mm/pgtable.c @@ -121,14 +121,12 @@ static void pgd_ctor(struct mm_struct *mm, pgd_t *pgd) static void pgd_dtor(pgd_t *pgd) { - unsigned long flags; /* can be called from interrupt context */ - if (SHARED_KERNEL_PMD) return; - spin_lock_irqsave(&pgd_lock, flags); + spin_lock(&pgd_lock); pgd_list_del(pgd); - spin_unlock_irqrestore(&pgd_lock, flags); + spin_unlock(&pgd_lock); } /* @@ -260,7 +258,6 @@ pgd_t *pgd_alloc(struct mm_struct *mm) { pgd_t *pgd; pmd_t *pmds[PREALLOCATED_PMDS]; - unsigned long flags; pgd = (pgd_t *)__get_free_page(PGALLOC_GFP); @@ -280,12 +277,12 @@ pgd_t *pgd_alloc(struct mm_struct *mm) * respect to anything walking the pgd_list, so that they * never see a partially populated pgd. */ - spin_lock_irqsave(&pgd_lock, flags); + spin_lock(&pgd_lock); pgd_ctor(mm, pgd); pgd_prepopulate_pmd(mm, pgd, pmds); - spin_unlock_irqrestore(&pgd_lock, flags); + spin_unlock(&pgd_lock); return pgd; diff --git a/arch/x86/pci/ce4100.c b/arch/x86/pci/ce4100.c index 85b68ef5e80..9260b3eb18d 100644 --- a/arch/x86/pci/ce4100.c +++ b/arch/x86/pci/ce4100.c @@ -34,6 +34,7 @@ #include <linux/pci.h> #include <linux/init.h> +#include <asm/ce4100.h> #include <asm/pci_x86.h> struct sim_reg { @@ -306,10 +307,10 @@ struct pci_raw_ops ce4100_pci_conf = { .write = ce4100_conf_write, }; -static int __init ce4100_pci_init(void) +int __init ce4100_pci_init(void) { init_sim_regs(); raw_pci_ops = &ce4100_pci_conf; - return 0; + /* Indicate caller that it should invoke pci_legacy_init() */ + return 1; } -subsys_initcall(ce4100_pci_init); diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c index d2c0d51a717..cd6f184c3b3 100644 --- a/arch/x86/platform/ce4100/ce4100.c +++ b/arch/x86/platform/ce4100/ce4100.c @@ -15,6 +15,7 @@ #include <linux/serial_reg.h> #include <linux/serial_8250.h> +#include <asm/ce4100.h> #include <asm/setup.h> #include <asm/io.h> @@ -129,4 +130,5 @@ void __init x86_ce4100_early_setup(void) x86_init.resources.probe_roms = x86_init_noop; x86_init.mpparse.get_smp_config = x86_init_uint_noop; x86_init.mpparse.find_smp_config = sdv_find_smp_config; + x86_init.pci.init = ce4100_pci_init; } diff --git a/arch/x86/platform/olpc/olpc_dt.c b/arch/x86/platform/olpc/olpc_dt.c index dab87464753..044bda5b317 100644 --- a/arch/x86/platform/olpc/olpc_dt.c +++ b/arch/x86/platform/olpc/olpc_dt.c @@ -140,8 +140,7 @@ void * __init prom_early_alloc(unsigned long size) * wasted bootmem) and hand off chunks of it to callers. */ res = alloc_bootmem(chunk_size); - if (!res) - return NULL; + BUG_ON(!res); prom_early_allocated += chunk_size; memset(res, 0, chunk_size); free_mem = chunk_size; diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c index df58e9cad96..a7b38d35c29 100644 --- a/arch/x86/platform/uv/tlb_uv.c +++ b/arch/x86/platform/uv/tlb_uv.c @@ -1364,11 +1364,11 @@ uv_activation_descriptor_init(int node, int pnode) memset(bd2, 0, sizeof(struct bau_desc)); bd2->header.sw_ack_flag = 1; /* - * base_dest_nodeid is the nasid (pnode<<1) of the first uvhub + * base_dest_nodeid is the nasid of the first uvhub * in the partition. The bit map will indicate uvhub numbers, * which are 0-N in a partition. Pnodes are unique system-wide. */ - bd2->header.base_dest_nodeid = uv_partition_base_pnode << 1; + bd2->header.base_dest_nodeid = UV_PNODE_TO_NASID(uv_partition_base_pnode); bd2->header.dest_subnodeid = 0x10; /* the LB */ bd2->header.command = UV_NET_ENDPOINT_INTD; bd2->header.int_both = 1; diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 5e92b61ad57..f6089421147 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -986,10 +986,9 @@ static void xen_pgd_pin(struct mm_struct *mm) */ void xen_mm_pin_all(void) { - unsigned long flags; struct page *page; - spin_lock_irqsave(&pgd_lock, flags); + spin_lock(&pgd_lock); list_for_each_entry(page, &pgd_list, lru) { if (!PagePinned(page)) { @@ -998,7 +997,7 @@ void xen_mm_pin_all(void) } } - spin_unlock_irqrestore(&pgd_lock, flags); + spin_unlock(&pgd_lock); } /* @@ -1099,10 +1098,9 @@ static void xen_pgd_unpin(struct mm_struct *mm) */ void xen_mm_unpin_all(void) { - unsigned long flags; struct page *page; - spin_lock_irqsave(&pgd_lock, flags); + spin_lock(&pgd_lock); list_for_each_entry(page, &pgd_list, lru) { if (PageSavePinned(page)) { @@ -1112,7 +1110,7 @@ void xen_mm_unpin_all(void) } } - spin_unlock_irqrestore(&pgd_lock, flags); + spin_unlock(&pgd_lock); } void xen_activate_mm(struct mm_struct *prev, struct mm_struct *next) diff --git a/block/blk-core.c b/block/blk-core.c index 2f4002f79a2..518dd423a5f 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -352,7 +352,7 @@ void blk_start_queue(struct request_queue *q) WARN_ON(!irqs_disabled()); queue_flag_clear(QUEUE_FLAG_STOPPED, q); - __blk_run_queue(q); + __blk_run_queue(q, false); } EXPORT_SYMBOL(blk_start_queue); @@ -403,13 +403,14 @@ EXPORT_SYMBOL(blk_sync_queue); /** * __blk_run_queue - run a single device queue * @q: The queue to run + * @force_kblockd: Don't run @q->request_fn directly. Use kblockd. * * Description: * See @blk_run_queue. This variant must be called with the queue lock * held and interrupts disabled. * */ -void __blk_run_queue(struct request_queue *q) +void __blk_run_queue(struct request_queue *q, bool force_kblockd) { blk_remove_plug(q); @@ -423,7 +424,7 @@ void __blk_run_queue(struct request_queue *q) * Only recurse once to avoid overrunning the stack, let the unplug * handling reinvoke the handler shortly if we already got there. */ - if (!queue_flag_test_and_set(QUEUE_FLAG_REENTER, q)) { + if (!force_kblockd && !queue_flag_test_and_set(QUEUE_FLAG_REENTER, q)) { q->request_fn(q); queue_flag_clear(QUEUE_FLAG_REENTER, q); } else { @@ -446,7 +447,7 @@ void blk_run_queue(struct request_queue *q) unsigned long flags; spin_lock_irqsave(q->queue_lock, flags); - __blk_run_queue(q); + __blk_run_queue(q, false); spin_unlock_irqrestore(q->queue_lock, flags); } EXPORT_SYMBOL(blk_run_queue); @@ -1053,7 +1054,7 @@ void blk_insert_request(struct request_queue *q, struct request *rq, drive_stat_acct(rq, 1); __elv_add_request(q, rq, where, 0); - __blk_run_queue(q); + __blk_run_queue(q, false); spin_unlock_irqrestore(q->queue_lock, flags); } EXPORT_SYMBOL(blk_insert_request); @@ -2610,13 +2611,6 @@ int kblockd_schedule_work(struct request_queue *q, struct work_struct *work) } EXPORT_SYMBOL(kblockd_schedule_work); -int kblockd_schedule_delayed_work(struct request_queue *q, - struct delayed_work *dwork, unsigned long delay) -{ - return queue_delayed_work(kblockd_workqueue, dwork, delay); -} -EXPORT_SYMBOL(kblockd_schedule_delayed_work); - int __init blk_dev_init(void) { BUILD_BUG_ON(__REQ_NR_BITS > 8 * diff --git a/block/blk-flush.c b/block/blk-flush.c index 54b123d6563..b27d0208611 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -66,10 +66,12 @@ static void blk_flush_complete_seq_end_io(struct request_queue *q, /* * Moving a request silently to empty queue_head may stall the - * queue. Kick the queue in those cases. + * queue. Kick the queue in those cases. This function is called + * from request completion path and calling directly into + * request_fn may confuse the driver. Always use kblockd. */ if (was_empty && next_rq) - __blk_run_queue(q); + __blk_run_queue(q, true); } static void pre_flush_end_io(struct request *rq, int error) @@ -130,7 +132,7 @@ static struct request *queue_next_fseq(struct request_queue *q) BUG(); } - elv_insert(q, rq, ELEVATOR_INSERT_FRONT); + elv_insert(q, rq, ELEVATOR_INSERT_REQUEUE); return rq; } diff --git a/block/blk-lib.c b/block/blk-lib.c index 1a320d2406b..bd3e8df4d5e 100644 --- a/block/blk-lib.c +++ b/block/blk-lib.c @@ -109,7 +109,6 @@ struct bio_batch atomic_t done; unsigned long flags; struct completion *wait; - bio_end_io_t *end_io; }; static void bio_batch_end_io(struct bio *bio, int err) @@ -122,17 +121,14 @@ static void bio_batch_end_io(struct bio *bio, int err) else clear_bit(BIO_UPTODATE, &bb->flags); } - if (bb) { - if (bb->end_io) - bb->end_io(bio, err); - atomic_inc(&bb->done); - complete(bb->wait); - } + if (bb) + if (atomic_dec_and_test(&bb->done)) + complete(bb->wait); bio_put(bio); } /** - * blkdev_issue_zeroout generate number of zero filed write bios + * blkdev_issue_zeroout - generate number of zero filed write bios * @bdev: blockdev to issue * @sector: start sector * @nr_sects: number of sectors to write @@ -150,13 +146,12 @@ int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, int ret; struct bio *bio; struct bio_batch bb; - unsigned int sz, issued = 0; + unsigned int sz; DECLARE_COMPLETION_ONSTACK(wait); - atomic_set(&bb.done, 0); + atomic_set(&bb.done, 1); bb.flags = 1 << BIO_UPTODATE; bb.wait = &wait; - bb.end_io = NULL; submit: ret = 0; @@ -185,12 +180,12 @@ submit: break; } ret = 0; - issued++; + atomic_inc(&bb.done); submit_bio(WRITE, bio); } /* Wait for bios in-flight */ - while (issued != atomic_read(&bb.done)) + if (!atomic_dec_and_test(&bb.done)) wait_for_completion(&wait); if (!test_bit(BIO_UPTODATE, &bb.flags)) diff --git a/block/blk-throttle.c b/block/blk-throttle.c index a89043a3caa..e36cc10a346 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -20,6 +20,11 @@ static int throtl_quantum = 32; /* Throttling is performed over 100ms slice and after that slice is renewed */ static unsigned long throtl_slice = HZ/10; /* 100 ms */ +/* A workqueue to queue throttle related work */ +static struct workqueue_struct *kthrotld_workqueue; +static void throtl_schedule_delayed_work(struct throtl_data *td, + unsigned long delay); + struct throtl_rb_root { struct rb_root rb; struct rb_node *left; @@ -345,10 +350,9 @@ static void throtl_schedule_next_dispatch(struct throtl_data *td) update_min_dispatch_time(st); if (time_before_eq(st->min_disptime, jiffies)) - throtl_schedule_delayed_work(td->queue, 0); + throtl_schedule_delayed_work(td, 0); else - throtl_schedule_delayed_work(td->queue, - (st->min_disptime - jiffies)); + throtl_schedule_delayed_work(td, (st->min_disptime - jiffies)); } static inline void @@ -815,10 +819,10 @@ void blk_throtl_work(struct work_struct *work) } /* Call with queue lock held */ -void throtl_schedule_delayed_work(struct request_queue *q, unsigned long delay) +static void +throtl_schedule_delayed_work(struct throtl_data *td, unsigned long delay) { - struct throtl_data *td = q->td; struct delayed_work *dwork = &td->throtl_work; if (total_nr_queued(td) > 0) { @@ -827,12 +831,11 @@ void throtl_schedule_delayed_work(struct request_queue *q, unsigned long delay) * Cancel that and schedule a new one. */ __cancel_delayed_work(dwork); - kblockd_schedule_delayed_work(q, dwork, delay); + queue_delayed_work(kthrotld_workqueue, dwork, delay); throtl_log(td, "schedule work. delay=%lu jiffies=%lu", delay, jiffies); } } -EXPORT_SYMBOL(throtl_schedule_delayed_work); static void throtl_destroy_tg(struct throtl_data *td, struct throtl_grp *tg) @@ -920,7 +923,7 @@ static void throtl_update_blkio_group_read_bps(void *key, smp_mb__after_atomic_inc(); /* Schedule a work now to process the limit change */ - throtl_schedule_delayed_work(td->queue, 0); + throtl_schedule_delayed_work(td, 0); } static void throtl_update_blkio_group_write_bps(void *key, @@ -934,7 +937,7 @@ static void throtl_update_blkio_group_write_bps(void *key, smp_mb__before_atomic_inc(); atomic_inc(&td->limits_changed); smp_mb__after_atomic_inc(); - throtl_schedule_delayed_work(td->queue, 0); + throtl_schedule_delayed_work(td, 0); } static void throtl_update_blkio_group_read_iops(void *key, @@ -948,7 +951,7 @@ static void throtl_update_blkio_group_read_iops(void *key, smp_mb__before_atomic_inc(); atomic_inc(&td->limits_changed); smp_mb__after_atomic_inc(); - throtl_schedule_delayed_work(td->queue, 0); + throtl_schedule_delayed_work(td, 0); } static void throtl_update_blkio_group_write_iops(void *key, @@ -962,7 +965,7 @@ static void throtl_update_blkio_group_write_iops(void *key, smp_mb__before_atomic_inc(); atomic_inc(&td->limits_changed); smp_mb__after_atomic_inc(); - throtl_schedule_delayed_work(td->queue, 0); + throtl_schedule_delayed_work(td, 0); } void throtl_shutdown_timer_wq(struct request_queue *q) @@ -1135,6 +1138,10 @@ void blk_throtl_exit(struct request_queue *q) static int __init throtl_init(void) { + kthrotld_workqueue = alloc_workqueue("kthrotld", WQ_MEM_RECLAIM, 0); + if (!kthrotld_workqueue) + panic("Failed to create kthrotld\n"); + blkio_policy_register(&blkio_policy_throtl); return 0; } diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 7be4c795962..ea83a4f0c27 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -3355,7 +3355,7 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq, cfqd->busy_queues > 1) { cfq_del_timer(cfqd, cfqq); cfq_clear_cfqq_wait_request(cfqq); - __blk_run_queue(cfqd->queue); + __blk_run_queue(cfqd->queue, false); } else { cfq_blkiocg_update_idle_time_stats( &cfqq->cfqg->blkg); @@ -3370,7 +3370,7 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq, * this new queue is RT and the current one is BE */ cfq_preempt_queue(cfqd, cfqq); - __blk_run_queue(cfqd->queue); + __blk_run_queue(cfqd->queue, false); } } @@ -3731,7 +3731,7 @@ static void cfq_kick_queue(struct work_struct *work) struct request_queue *q = cfqd->queue; spin_lock_irq(q->queue_lock); - __blk_run_queue(cfqd->queue); + __blk_run_queue(cfqd->queue, false); spin_unlock_irq(q->queue_lock); } diff --git a/block/elevator.c b/block/elevator.c index 2569512830d..236e93c1f46 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -602,7 +602,7 @@ void elv_quiesce_start(struct request_queue *q) */ elv_drain_elevator(q); while (q->rq.elvpriv) { - __blk_run_queue(q); + __blk_run_queue(q, false); spin_unlock_irq(q->queue_lock); msleep(10); spin_lock_irq(q->queue_lock); @@ -651,7 +651,7 @@ void elv_insert(struct request_queue *q, struct request *rq, int where) * with anything. There's no point in delaying queue * processing. */ - __blk_run_queue(q); + __blk_run_queue(q, false); break; case ELEVATOR_INSERT_SORT: diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 49e6a545eb6..dbf31ec9114 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -78,7 +78,6 @@ #include <asm/uaccess.h> -static DEFINE_MUTEX(loop_mutex); static LIST_HEAD(loop_devices); static DEFINE_MUTEX(loop_devices_mutex); @@ -1501,11 +1500,9 @@ static int lo_open(struct block_device *bdev, fmode_t mode) { struct loop_device *lo = bdev->bd_disk->private_data; - mutex_lock(&loop_mutex); mutex_lock(&lo->lo_ctl_mutex); lo->lo_refcnt++; mutex_unlock(&lo->lo_ctl_mutex); - mutex_unlock(&loop_mutex); return 0; } @@ -1515,7 +1512,6 @@ static int lo_release(struct gendisk *disk, fmode_t mode) struct loop_device *lo = disk->private_data; int err; - mutex_lock(&loop_mutex); mutex_lock(&lo->lo_ctl_mutex); if (--lo->lo_refcnt) @@ -1540,7 +1536,6 @@ static int lo_release(struct gendisk *disk, fmode_t mode) out: mutex_unlock(&lo->lo_ctl_mutex); out_unlocked: - mutex_unlock(&loop_mutex); return 0; } diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 7855f9f45b8..62787e30d50 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -900,6 +900,14 @@ static void sender(void *send_info, printk("**Enqueue: %d.%9.9d\n", t.tv_sec, t.tv_usec); #endif + /* + * last_timeout_jiffies is updated here to avoid + * smi_timeout() handler passing very large time_diff + * value to smi_event_handler() that causes + * the send command to abort. + */ + smi_info->last_timeout_jiffies = jiffies; + mod_timer(&smi_info->si_timer, jiffies + SI_TIMEOUT_JIFFIES); if (smi_info->thread) diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 49039318633..84b164d1eb2 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -388,6 +388,10 @@ static void discard_port_data(struct port *port) unsigned int len; int ret; + if (!port->portdev) { + /* Device has been unplugged. vqs are already gone. */ + return; + } vq = port->in_vq; if (port->inbuf) buf = port->inbuf; @@ -470,6 +474,10 @@ static void reclaim_consumed_buffers(struct port *port) void *buf; unsigned int len; + if (!port->portdev) { + /* Device has been unplugged. vqs are already gone. */ + return; + } while ((buf = virtqueue_get_buf(port->out_vq, &len))) { kfree(buf); port->outvq_full = false; diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 1109f6848a4..5cb4d09919d 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -1919,8 +1919,10 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) ret = sysdev_driver_register(&cpu_sysdev_class, &cpufreq_sysdev_driver); + if (ret) + goto err_null_driver; - if ((!ret) && !(cpufreq_driver->flags & CPUFREQ_STICKY)) { + if (!(cpufreq_driver->flags & CPUFREQ_STICKY)) { int i; ret = -ENODEV; @@ -1935,21 +1937,22 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) if (ret) { dprintk("no CPU initialized for driver %s\n", driver_data->name); - sysdev_driver_unregister(&cpu_sysdev_class, - &cpufreq_sysdev_driver); - - spin_lock_irqsave(&cpufreq_driver_lock, flags); - cpufreq_driver = NULL; - spin_unlock_irqrestore(&cpufreq_driver_lock, flags); + goto err_sysdev_unreg; } } - if (!ret) { - register_hotcpu_notifier(&cpufreq_cpu_notifier); - dprintk("driver %s up and running\n", driver_data->name); - cpufreq_debug_enable_ratelimit(); - } + register_hotcpu_notifier(&cpufreq_cpu_notifier); + dprintk("driver %s up and running\n", driver_data->name); + cpufreq_debug_enable_ratelimit(); + return 0; +err_sysdev_unreg: + sysdev_driver_unregister(&cpu_sysdev_class, + &cpufreq_sysdev_driver); +err_null_driver: + spin_lock_irqsave(&cpufreq_driver_lock, flags); + cpufreq_driver = NULL; + spin_unlock_irqrestore(&cpufreq_driver_lock, flags); return ret; } EXPORT_SYMBOL_GPL(cpufreq_register_driver); diff --git a/drivers/gpio/ml_ioh_gpio.c b/drivers/gpio/ml_ioh_gpio.c index cead8e6ff34..7f6f01a4b14 100644 --- a/drivers/gpio/ml_ioh_gpio.c +++ b/drivers/gpio/ml_ioh_gpio.c @@ -326,6 +326,7 @@ static DEFINE_PCI_DEVICE_TABLE(ioh_gpio_pcidev_id) = { { PCI_DEVICE(PCI_VENDOR_ID_ROHM, 0x802E) }, { 0, } }; +MODULE_DEVICE_TABLE(pci, ioh_gpio_pcidev_id); static struct pci_driver ioh_gpio_driver = { .name = "ml_ioh_gpio", diff --git a/drivers/gpio/pch_gpio.c b/drivers/gpio/pch_gpio.c index 0eba0a75c80..2c6af870510 100644 --- a/drivers/gpio/pch_gpio.c +++ b/drivers/gpio/pch_gpio.c @@ -286,6 +286,7 @@ static DEFINE_PCI_DEVICE_TABLE(pch_gpio_pcidev_id) = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x8803) }, { 0, } }; +MODULE_DEVICE_TABLE(pci, pch_gpio_pcidev_id); static struct pci_driver pch_gpio_driver = { .name = "pch_gpio", diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 6977a1ce9d9..f73ef4390db 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -672,7 +672,7 @@ int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info) struct drm_crtc_helper_funcs *crtc_funcs; u16 *red, *green, *blue, *transp; struct drm_crtc *crtc; - int i, rc = 0; + int i, j, rc = 0; int start; for (i = 0; i < fb_helper->crtc_count; i++) { @@ -685,7 +685,7 @@ int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info) transp = cmap->transp; start = cmap->start; - for (i = 0; i < cmap->len; i++) { + for (j = 0; j < cmap->len; j++) { u16 hred, hgreen, hblue, htransp = 0xffff; hred = *red++; diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 3601466c550..4ff9b6cc973 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -865,7 +865,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused) int max_freq; /* RPSTAT1 is in the GT power well */ - __gen6_force_wake_get(dev_priv); + __gen6_gt_force_wake_get(dev_priv); seq_printf(m, "GT_PERF_STATUS: 0x%08x\n", gt_perf_status); seq_printf(m, "RPSTAT1: 0x%08x\n", I915_READ(GEN6_RPSTAT1)); @@ -888,7 +888,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused) seq_printf(m, "Max non-overclocked (RP0) frequency: %dMHz\n", max_freq * 100); - __gen6_force_wake_put(dev_priv); + __gen6_gt_force_wake_put(dev_priv); } else { seq_printf(m, "no P-state info available\n"); } diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 17bd766f208..e33d9be7df3 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1895,6 +1895,17 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) if (IS_GEN2(dev)) dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(30)); + /* 965GM sometimes incorrectly writes to hardware status page (HWS) + * using 32bit addressing, overwriting memory if HWS is located + * above 4GB. + * + * The documentation also mentions an issue with undefined + * behaviour if any general state is accessed within a page above 4GB, + * which also needs to be handled carefully. + */ + if (IS_BROADWATER(dev) || IS_CRESTLINE(dev)) + dma_set_coherent_mask(&dev->pdev->dev, DMA_BIT_MASK(32)); + mmio_bar = IS_GEN2(dev) ? 1 : 0; dev_priv->regs = pci_iomap(dev->pdev, mmio_bar, 0); if (!dev_priv->regs) { diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 0ad533f06af..22ec066adae 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -46,6 +46,9 @@ module_param_named(fbpercrtc, i915_fbpercrtc, int, 0400); unsigned int i915_powersave = 1; module_param_named(powersave, i915_powersave, int, 0600); +unsigned int i915_semaphores = 0; +module_param_named(semaphores, i915_semaphores, int, 0600); + unsigned int i915_enable_rc6 = 0; module_param_named(i915_enable_rc6, i915_enable_rc6, int, 0600); @@ -254,7 +257,7 @@ void intel_detect_pch (struct drm_device *dev) } } -void __gen6_force_wake_get(struct drm_i915_private *dev_priv) +void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv) { int count; @@ -270,12 +273,22 @@ void __gen6_force_wake_get(struct drm_i915_private *dev_priv) udelay(10); } -void __gen6_force_wake_put(struct drm_i915_private *dev_priv) +void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv) { I915_WRITE_NOTRACE(FORCEWAKE, 0); POSTING_READ(FORCEWAKE); } +void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv) +{ + int loop = 500; + u32 fifo = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES); + while (fifo < 20 && loop--) { + udelay(10); + fifo = I915_READ_NOTRACE(GT_FIFO_FREE_ENTRIES); + } +} + static int i915_drm_freeze(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 65dfe81d003..456f4048483 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -956,6 +956,7 @@ extern struct drm_ioctl_desc i915_ioctls[]; extern int i915_max_ioctl; extern unsigned int i915_fbpercrtc; extern unsigned int i915_powersave; +extern unsigned int i915_semaphores; extern unsigned int i915_lvds_downclock; extern unsigned int i915_panel_use_ssc; extern unsigned int i915_enable_rc6; @@ -1177,6 +1178,9 @@ void i915_gem_detach_phys_object(struct drm_device *dev, void i915_gem_free_all_phys_object(struct drm_device *dev); void i915_gem_release(struct drm_device *dev, struct drm_file *file); +uint32_t +i915_gem_get_unfenced_gtt_alignment(struct drm_i915_gem_object *obj); + /* i915_gem_gtt.c */ void i915_gem_restore_gtt_mappings(struct drm_device *dev); int __must_check i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj); @@ -1353,22 +1357,32 @@ __i915_write(64, q) * must be set to prevent GT core from power down and stale values being * returned. */ -void __gen6_force_wake_get(struct drm_i915_private *dev_priv); -void __gen6_force_wake_put (struct drm_i915_private *dev_priv); -static inline u32 i915_safe_read(struct drm_i915_private *dev_priv, u32 reg) +void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv); +void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv); +void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv); + +static inline u32 i915_gt_read(struct drm_i915_private *dev_priv, u32 reg) { u32 val; if (dev_priv->info->gen >= 6) { - __gen6_force_wake_get(dev_priv); + __gen6_gt_force_wake_get(dev_priv); val = I915_READ(reg); - __gen6_force_wake_put(dev_priv); + __gen6_gt_force_wake_put(dev_priv); } else val = I915_READ(reg); return val; } +static inline void i915_gt_write(struct drm_i915_private *dev_priv, + u32 reg, u32 val) +{ + if (dev_priv->info->gen >= 6) + __gen6_gt_wait_for_fifo(dev_priv); + I915_WRITE(reg, val); +} + static inline void i915_write(struct drm_i915_private *dev_priv, u32 reg, u64 val, int len) { diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index cf4f74c7c6f..36e66cc5225 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1398,7 +1398,7 @@ i915_gem_get_gtt_alignment(struct drm_i915_gem_object *obj) * Return the required GTT alignment for an object, only taking into account * unfenced tiled surface requirements. */ -static uint32_t +uint32_t i915_gem_get_unfenced_gtt_alignment(struct drm_i915_gem_object *obj) { struct drm_device *dev = obj->base.dev; diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index d2f445e825f..50ab1614571 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -772,8 +772,8 @@ i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj, if (from == NULL || to == from) return 0; - /* XXX gpu semaphores are currently causing hard hangs on SNB mobile */ - if (INTEL_INFO(obj->base.dev)->gen < 6 || IS_MOBILE(obj->base.dev)) + /* XXX gpu semaphores are implicated in various hard hangs on SNB */ + if (INTEL_INFO(obj->base.dev)->gen < 6 || !i915_semaphores) return i915_gem_object_wait_rendering(obj, true); idx = intel_ring_sync_index(from, to); diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index 79a04fde69b..d64843e18df 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -184,7 +184,7 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev) static bool i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode) { - int tile_width, tile_height; + int tile_width; /* Linear is always fine */ if (tiling_mode == I915_TILING_NONE) @@ -215,20 +215,6 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode) } } - if (IS_GEN2(dev) || - (tiling_mode == I915_TILING_Y && HAS_128_BYTE_Y_TILING(dev))) - tile_height = 32; - else - tile_height = 8; - /* i8xx is strange: It has 2 interleaved rows of tiles, so needs an even - * number of tile rows. */ - if (IS_GEN2(dev)) - tile_height *= 2; - - /* Size needs to be aligned to a full tile row */ - if (size & (tile_height * stride - 1)) - return false; - /* 965+ just needs multiples of tile width */ if (INTEL_INFO(dev)->gen >= 4) { if (stride & (tile_width - 1)) @@ -363,14 +349,27 @@ i915_gem_set_tiling(struct drm_device *dev, void *data, (obj->gtt_offset + obj->base.size <= dev_priv->mm.gtt_mappable_end && i915_gem_object_fence_ok(obj, args->tiling_mode)); - obj->tiling_changed = true; - obj->tiling_mode = args->tiling_mode; - obj->stride = args->stride; + /* Rebind if we need a change of alignment */ + if (!obj->map_and_fenceable) { + u32 unfenced_alignment = + i915_gem_get_unfenced_gtt_alignment(obj); + if (obj->gtt_offset & (unfenced_alignment - 1)) + ret = i915_gem_object_unbind(obj); + } + + if (ret == 0) { + obj->tiling_changed = true; + obj->tiling_mode = args->tiling_mode; + obj->stride = args->stride; + } } + /* we have to maintain this existing ABI... */ + args->stride = obj->stride; + args->tiling_mode = obj->tiling_mode; drm_gem_object_unreference(&obj->base); mutex_unlock(&dev->struct_mutex); - return 0; + return ret; } /** diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 729d4233b76..2abe240dae5 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1553,7 +1553,17 @@ /* Backlight control */ #define BLC_PWM_CTL 0x61254 +#define BACKLIGHT_MODULATION_FREQ_SHIFT (17) #define BLC_PWM_CTL2 0x61250 /* 965+ only */ +#define BLM_COMBINATION_MODE (1 << 30) +/* + * This is the most significant 15 bits of the number of backlight cycles in a + * complete cycle of the modulated backlight control. + * + * The actual value is this field multiplied by two. + */ +#define BACKLIGHT_MODULATION_FREQ_MASK (0x7fff << 17) +#define BLM_LEGACY_MODE (1 << 16) /* * This is the number of cycles out of the backlight modulation cycle for which * the backlight is on. @@ -3261,6 +3271,8 @@ #define FORCEWAKE 0xA18C #define FORCEWAKE_ACK 0x130090 +#define GT_FIFO_FREE_ENTRIES 0x120008 + #define GEN6_RPNSWREQ 0xA008 #define GEN6_TURBO_DISABLE (1<<31) #define GEN6_FREQUENCY(x) ((x)<<25) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index e79b25bbee6..49fb54fd9a1 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1219,7 +1219,7 @@ static void sandybridge_blit_fbc_update(struct drm_device *dev) u32 blt_ecoskpd; /* Make sure blitter notifies FBC of writes */ - __gen6_force_wake_get(dev_priv); + __gen6_gt_force_wake_get(dev_priv); blt_ecoskpd = I915_READ(GEN6_BLITTER_ECOSKPD); blt_ecoskpd |= GEN6_BLITTER_FBC_NOTIFY << GEN6_BLITTER_LOCK_SHIFT; @@ -1230,7 +1230,7 @@ static void sandybridge_blit_fbc_update(struct drm_device *dev) GEN6_BLITTER_LOCK_SHIFT); I915_WRITE(GEN6_BLITTER_ECOSKPD, blt_ecoskpd); POSTING_READ(GEN6_BLITTER_ECOSKPD); - __gen6_force_wake_put(dev_priv); + __gen6_gt_force_wake_put(dev_priv); } static void ironlake_enable_fbc(struct drm_crtc *crtc, unsigned long interval) @@ -6282,7 +6282,7 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv) * userspace... */ I915_WRITE(GEN6_RC_STATE, 0); - __gen6_force_wake_get(dev_priv); + __gen6_gt_force_wake_get(dev_priv); /* disable the counters and set deterministic thresholds */ I915_WRITE(GEN6_RC_CONTROL, 0); @@ -6380,7 +6380,7 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv) /* enable all PM interrupts */ I915_WRITE(GEN6_PMINTRMSK, 0); - __gen6_force_wake_put(dev_priv); + __gen6_gt_force_wake_put(dev_priv); } void intel_enable_clock_gating(struct drm_device *dev) diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index d860abeda70..f8f86e57df2 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -30,6 +30,8 @@ #include "intel_drv.h" +#define PCI_LBPC 0xf4 /* legacy/combination backlight modes */ + void intel_fixed_panel_mode(struct drm_display_mode *fixed_mode, struct drm_display_mode *adjusted_mode) @@ -110,6 +112,19 @@ done: dev_priv->pch_pf_size = (width << 16) | height; } +static int is_backlight_combination_mode(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + if (INTEL_INFO(dev)->gen >= 4) + return I915_READ(BLC_PWM_CTL2) & BLM_COMBINATION_MODE; + + if (IS_GEN2(dev)) + return I915_READ(BLC_PWM_CTL) & BLM_LEGACY_MODE; + + return 0; +} + static u32 i915_read_blc_pwm_ctl(struct drm_i915_private *dev_priv) { u32 val; @@ -166,6 +181,9 @@ u32 intel_panel_get_max_backlight(struct drm_device *dev) if (INTEL_INFO(dev)->gen < 4) max &= ~1; } + + if (is_backlight_combination_mode(dev)) + max *= 0xff; } DRM_DEBUG_DRIVER("max backlight PWM = %d\n", max); @@ -183,6 +201,14 @@ u32 intel_panel_get_backlight(struct drm_device *dev) val = I915_READ(BLC_PWM_CTL) & BACKLIGHT_DUTY_CYCLE_MASK; if (IS_PINEVIEW(dev)) val >>= 1; + + if (is_backlight_combination_mode(dev)){ + u8 lbpc; + + val &= ~1; + pci_read_config_byte(dev->pdev, PCI_LBPC, &lbpc); + val *= lbpc; + } } DRM_DEBUG_DRIVER("get backlight PWM = %d\n", val); @@ -205,6 +231,16 @@ void intel_panel_set_backlight(struct drm_device *dev, u32 level) if (HAS_PCH_SPLIT(dev)) return intel_pch_panel_set_backlight(dev, level); + + if (is_backlight_combination_mode(dev)){ + u32 max = intel_panel_get_max_backlight(dev); + u8 lbpc; + + lbpc = level * 0xfe / max + 1; + level /= lbpc; + pci_write_config_byte(dev->pdev, PCI_LBPC, lbpc); + } + tmp = I915_READ(BLC_PWM_CTL); if (IS_PINEVIEW(dev)) { tmp &= ~(BACKLIGHT_DUTY_CYCLE_MASK - 1); diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 6d6fde85a63..34306865a5d 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -14,22 +14,23 @@ struct intel_hw_status_page { struct drm_i915_gem_object *obj; }; -#define I915_RING_READ(reg) i915_safe_read(dev_priv, reg) +#define I915_RING_READ(reg) i915_gt_read(dev_priv, reg) +#define I915_RING_WRITE(reg, val) i915_gt_write(dev_priv, reg, val) #define I915_READ_TAIL(ring) I915_RING_READ(RING_TAIL((ring)->mmio_base)) -#define I915_WRITE_TAIL(ring, val) I915_WRITE(RING_TAIL((ring)->mmio_base), val) +#define I915_WRITE_TAIL(ring, val) I915_RING_WRITE(RING_TAIL((ring)->mmio_base), val) #define I915_READ_START(ring) I915_RING_READ(RING_START((ring)->mmio_base)) -#define I915_WRITE_START(ring, val) I915_WRITE(RING_START((ring)->mmio_base), val) +#define I915_WRITE_START(ring, val) I915_RING_WRITE(RING_START((ring)->mmio_base), val) #define I915_READ_HEAD(ring) I915_RING_READ(RING_HEAD((ring)->mmio_base)) -#define I915_WRITE_HEAD(ring, val) I915_WRITE(RING_HEAD((ring)->mmio_base), val) +#define I915_WRITE_HEAD(ring, val) I915_RING_WRITE(RING_HEAD((ring)->mmio_base), val) #define I915_READ_CTL(ring) I915_RING_READ(RING_CTL((ring)->mmio_base)) -#define I915_WRITE_CTL(ring, val) I915_WRITE(RING_CTL((ring)->mmio_base), val) +#define I915_WRITE_CTL(ring, val) I915_RING_WRITE(RING_CTL((ring)->mmio_base), val) -#define I915_WRITE_IMR(ring, val) I915_WRITE(RING_IMR((ring)->mmio_base), val) #define I915_READ_IMR(ring) I915_RING_READ(RING_IMR((ring)->mmio_base)) +#define I915_WRITE_IMR(ring, val) I915_RING_WRITE(RING_IMR((ring)->mmio_base), val) #define I915_READ_NOPID(ring) I915_RING_READ(RING_NOPID((ring)->mmio_base)) #define I915_READ_SYNC_0(ring) I915_RING_READ(RING_SYNC_0((ring)->mmio_base)) diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c index 65699bfaaae..b368ed74aad 100644 --- a/drivers/gpu/drm/nouveau/nouveau_dma.c +++ b/drivers/gpu/drm/nouveau/nouveau_dma.c @@ -83,7 +83,8 @@ nouveau_dma_init(struct nouveau_channel *chan) return ret; /* NV_MEMORY_TO_MEMORY_FORMAT requires a notifier object */ - ret = nouveau_notifier_alloc(chan, NvNotify0, 32, &chan->m2mf_ntfy); + ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfd0, 0x1000, + &chan->m2mf_ntfy); if (ret) return ret; diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 9821fcacc3d..982d70b1272 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -852,7 +852,8 @@ extern const struct ttm_mem_type_manager_func nouveau_vram_manager; extern int nouveau_notifier_init_channel(struct nouveau_channel *); extern void nouveau_notifier_takedown_channel(struct nouveau_channel *); extern int nouveau_notifier_alloc(struct nouveau_channel *, uint32_t handle, - int cout, uint32_t *offset); + int cout, uint32_t start, uint32_t end, + uint32_t *offset); extern int nouveau_notifier_offset(struct nouveau_gpuobj *, uint32_t *); extern int nouveau_ioctl_notifier_alloc(struct drm_device *, void *data, struct drm_file *); diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c index 26347b7cd87..b0fb9bdcddb 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mem.c +++ b/drivers/gpu/drm/nouveau/nouveau_mem.c @@ -725,8 +725,10 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man, ret = vram->get(dev, mem->num_pages << PAGE_SHIFT, mem->page_alignment << PAGE_SHIFT, size_nc, (nvbo->tile_flags >> 8) & 0xff, &node); - if (ret) - return ret; + if (ret) { + mem->mm_node = NULL; + return (ret == -ENOSPC) ? 0 : ret; + } node->page_shift = 12; if (nvbo->vma.node) diff --git a/drivers/gpu/drm/nouveau/nouveau_mm.c b/drivers/gpu/drm/nouveau/nouveau_mm.c index 8844b50c3e5..7609756b6fa 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mm.c +++ b/drivers/gpu/drm/nouveau/nouveau_mm.c @@ -123,7 +123,7 @@ nouveau_mm_get(struct nouveau_mm *rmm, int type, u32 size, u32 size_nc, return 0; } - return -ENOMEM; + return -ENOSPC; } int diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c index fe29d604b82..5ea167623a8 100644 --- a/drivers/gpu/drm/nouveau/nouveau_notifier.c +++ b/drivers/gpu/drm/nouveau/nouveau_notifier.c @@ -96,7 +96,8 @@ nouveau_notifier_gpuobj_dtor(struct drm_device *dev, int nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle, - int size, uint32_t *b_offset) + int size, uint32_t start, uint32_t end, + uint32_t *b_offset) { struct drm_device *dev = chan->dev; struct nouveau_gpuobj *nobj = NULL; @@ -104,9 +105,10 @@ nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle, uint32_t offset; int target, ret; - mem = drm_mm_search_free(&chan->notifier_heap, size, 0, 0); + mem = drm_mm_search_free_in_range(&chan->notifier_heap, size, 0, + start, end, 0); if (mem) - mem = drm_mm_get_block(mem, size, 0); + mem = drm_mm_get_block_range(mem, size, 0, start, end); if (!mem) { NV_ERROR(dev, "Channel %d notifier block full\n", chan->id); return -ENOMEM; @@ -177,7 +179,8 @@ nouveau_ioctl_notifier_alloc(struct drm_device *dev, void *data, if (IS_ERR(chan)) return PTR_ERR(chan); - ret = nouveau_notifier_alloc(chan, na->handle, na->size, &na->offset); + ret = nouveau_notifier_alloc(chan, na->handle, na->size, 0, 0x1000, + &na->offset); nouveau_channel_put(&chan); return ret; } diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c index ea0041810ae..e57caa2a00e 100644 --- a/drivers/gpu/drm/nouveau/nv50_instmem.c +++ b/drivers/gpu/drm/nouveau/nv50_instmem.c @@ -403,16 +403,24 @@ nv50_instmem_unmap(struct nouveau_gpuobj *gpuobj) void nv50_instmem_flush(struct drm_device *dev) { + struct drm_nouveau_private *dev_priv = dev->dev_private; + + spin_lock(&dev_priv->ramin_lock); nv_wr32(dev, 0x00330c, 0x00000001); if (!nv_wait(dev, 0x00330c, 0x00000002, 0x00000000)) NV_ERROR(dev, "PRAMIN flush timeout\n"); + spin_unlock(&dev_priv->ramin_lock); } void nv84_instmem_flush(struct drm_device *dev) { + struct drm_nouveau_private *dev_priv = dev->dev_private; + + spin_lock(&dev_priv->ramin_lock); nv_wr32(dev, 0x070000, 0x00000001); if (!nv_wait(dev, 0x070000, 0x00000002, 0x00000000)) NV_ERROR(dev, "PRAMIN flush timeout\n"); + spin_unlock(&dev_priv->ramin_lock); } diff --git a/drivers/gpu/drm/nouveau/nv50_vm.c b/drivers/gpu/drm/nouveau/nv50_vm.c index 459ff08241e..6144156f255 100644 --- a/drivers/gpu/drm/nouveau/nv50_vm.c +++ b/drivers/gpu/drm/nouveau/nv50_vm.c @@ -169,7 +169,11 @@ nv50_vm_flush(struct nouveau_vm *vm) void nv50_vm_flush_engine(struct drm_device *dev, int engine) { + struct drm_nouveau_private *dev_priv = dev->dev_private; + + spin_lock(&dev_priv->ramin_lock); nv_wr32(dev, 0x100c80, (engine << 16) | 1); if (!nv_wait(dev, 0x100c80, 0x00000001, 0x00000000)) NV_ERROR(dev, "vm flush timeout: engine %d\n", engine); + spin_unlock(&dev_priv->ramin_lock); } diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index d270b3ff896..6140ea1de45 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2194,7 +2194,6 @@ int evergreen_mc_init(struct radeon_device *rdev) rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024; } rdev->mc.visible_vram_size = rdev->mc.aper_size; - rdev->mc.active_vram_size = rdev->mc.visible_vram_size; r700_vram_gtt_location(rdev, &rdev->mc); radeon_update_bandwidth_info(rdev); @@ -2934,7 +2933,7 @@ static int evergreen_startup(struct radeon_device *rdev) /* XXX: ontario has problems blitting to gart at the moment */ if (rdev->family == CHIP_PALM) { rdev->asic->copy = NULL; - rdev->mc.active_vram_size = rdev->mc.visible_vram_size; + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); } /* allocate wb buffer */ diff --git a/drivers/gpu/drm/radeon/evergreen_blit_kms.c b/drivers/gpu/drm/radeon/evergreen_blit_kms.c index 2adfb03f479..2be698e78ff 100644 --- a/drivers/gpu/drm/radeon/evergreen_blit_kms.c +++ b/drivers/gpu/drm/radeon/evergreen_blit_kms.c @@ -623,7 +623,7 @@ done: dev_err(rdev->dev, "(%d) pin blit object failed\n", r); return r; } - rdev->mc.active_vram_size = rdev->mc.real_vram_size; + radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); return 0; } @@ -631,7 +631,7 @@ void evergreen_blit_fini(struct radeon_device *rdev) { int r; - rdev->mc.active_vram_size = rdev->mc.visible_vram_size; + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); if (rdev->r600_blit.shader_obj == NULL) return; /* If we can't reserve the bo, unref should be enough to destroy diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 93fa735c8c1..e372f9e1e5c 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -70,23 +70,6 @@ MODULE_FIRMWARE(FIRMWARE_R520); void r100_pre_page_flip(struct radeon_device *rdev, int crtc) { - struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc]; - u32 tmp; - - /* make sure flip is at vb rather than hb */ - tmp = RREG32(RADEON_CRTC_OFFSET_CNTL + radeon_crtc->crtc_offset); - tmp &= ~RADEON_CRTC_OFFSET_FLIP_CNTL; - /* make sure pending bit is asserted */ - tmp |= RADEON_CRTC_GUI_TRIG_OFFSET_LEFT_EN; - WREG32(RADEON_CRTC_OFFSET_CNTL + radeon_crtc->crtc_offset, tmp); - - /* set pageflip to happen as late as possible in the vblank interval. - * same field for crtc1/2 - */ - tmp = RREG32(RADEON_CRTC_GEN_CNTL); - tmp &= ~RADEON_CRTC_VSTAT_MODE_MASK; - WREG32(RADEON_CRTC_GEN_CNTL, tmp); - /* enable the pflip int */ radeon_irq_kms_pflip_irq_get(rdev, crtc); } @@ -1041,7 +1024,7 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size) return r; } rdev->cp.ready = true; - rdev->mc.active_vram_size = rdev->mc.real_vram_size; + radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); return 0; } @@ -1059,7 +1042,7 @@ void r100_cp_fini(struct radeon_device *rdev) void r100_cp_disable(struct radeon_device *rdev) { /* Disable ring */ - rdev->mc.active_vram_size = rdev->mc.visible_vram_size; + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); rdev->cp.ready = false; WREG32(RADEON_CP_CSQ_MODE, 0); WREG32(RADEON_CP_CSQ_CNTL, 0); @@ -2329,7 +2312,6 @@ void r100_vram_init_sizes(struct radeon_device *rdev) /* FIXME we don't use the second aperture yet when we could use it */ if (rdev->mc.visible_vram_size > rdev->mc.aper_size) rdev->mc.visible_vram_size = rdev->mc.aper_size; - rdev->mc.active_vram_size = rdev->mc.visible_vram_size; config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE); if (rdev->flags & RADEON_IS_IGP) { uint32_t tom; diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index de88624d5f8..9b3fad23b76 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1255,7 +1255,6 @@ int r600_mc_init(struct radeon_device *rdev) rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); rdev->mc.visible_vram_size = rdev->mc.aper_size; - rdev->mc.active_vram_size = rdev->mc.visible_vram_size; r600_vram_gtt_location(rdev, &rdev->mc); if (rdev->flags & RADEON_IS_IGP) { @@ -1937,7 +1936,7 @@ void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v) */ void r600_cp_stop(struct radeon_device *rdev) { - rdev->mc.active_vram_size = rdev->mc.visible_vram_size; + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1)); WREG32(SCRATCH_UMSK, 0); } diff --git a/drivers/gpu/drm/radeon/r600_blit_kms.c b/drivers/gpu/drm/radeon/r600_blit_kms.c index 41f7aafc97c..df68d91e819 100644 --- a/drivers/gpu/drm/radeon/r600_blit_kms.c +++ b/drivers/gpu/drm/radeon/r600_blit_kms.c @@ -558,7 +558,7 @@ done: dev_err(rdev->dev, "(%d) pin blit object failed\n", r); return r; } - rdev->mc.active_vram_size = rdev->mc.real_vram_size; + radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); return 0; } @@ -566,7 +566,7 @@ void r600_blit_fini(struct radeon_device *rdev) { int r; - rdev->mc.active_vram_size = rdev->mc.visible_vram_size; + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); if (rdev->r600_blit.shader_obj == NULL) return; /* If we can't reserve the bo, unref should be enough to destroy diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 56c48b67ef3..6b342949511 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -345,7 +345,6 @@ struct radeon_mc { * about vram size near mc fb location */ u64 mc_vram_size; u64 visible_vram_size; - u64 active_vram_size; u64 gtt_size; u64 gtt_start; u64 gtt_end; @@ -1448,6 +1447,7 @@ extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *m extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc); extern int radeon_resume_kms(struct drm_device *dev); extern int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); +extern void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size); /* r600, rv610, rv630, rv620, rv635, rv670, rs780, rs880 */ extern bool r600_card_posted(struct radeon_device *rdev); diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index e75d63b8e21..793c5e6026a 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -834,6 +834,9 @@ static struct radeon_asic sumo_asic = { .pm_finish = &evergreen_pm_finish, .pm_init_profile = &rs780_pm_init_profile, .pm_get_dynpm_state = &r600_pm_get_dynpm_state, + .pre_page_flip = &evergreen_pre_page_flip, + .page_flip = &evergreen_page_flip, + .post_page_flip = &evergreen_post_page_flip, }; static struct radeon_asic btc_asic = { diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index df95eb83dac..1fe95dfe48c 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -156,9 +156,12 @@ int radeon_gem_info_ioctl(struct drm_device *dev, void *data, { struct radeon_device *rdev = dev->dev_private; struct drm_radeon_gem_info *args = data; + struct ttm_mem_type_manager *man; + + man = &rdev->mman.bdev.man[TTM_PL_VRAM]; args->vram_size = rdev->mc.real_vram_size; - args->vram_visible = rdev->mc.real_vram_size; + args->vram_visible = (u64)man->size << PAGE_SHIFT; if (rdev->stollen_vga_memory) args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory); args->vram_visible -= radeon_fbdev_total_size(rdev); diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index cf0638c3b7c..78968b738e8 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -443,7 +443,7 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc, (target_fb->bits_per_pixel * 8)); crtc_pitch |= crtc_pitch << 16; - + crtc_offset_cntl |= RADEON_CRTC_GUI_TRIG_OFFSET_LEFT_EN; if (tiling_flags & RADEON_TILING_MACRO) { if (ASIC_IS_R300(rdev)) crtc_offset_cntl |= (R300_CRTC_X_Y_MODE_EN | @@ -502,6 +502,7 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc, gen_cntl_val = RREG32(gen_cntl_reg); gen_cntl_val &= ~(0xf << 8); gen_cntl_val |= (format << 8); + gen_cntl_val &= ~RADEON_CRTC_VSTAT_MODE_MASK; WREG32(gen_cntl_reg, gen_cntl_val); crtc_offset = (u32)base; diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index e5b2cf10cbf..8389b4c63d1 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -589,6 +589,20 @@ void radeon_ttm_fini(struct radeon_device *rdev) DRM_INFO("radeon: ttm finalized\n"); } +/* this should only be called at bootup or when userspace + * isn't running */ +void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size) +{ + struct ttm_mem_type_manager *man; + + if (!rdev->mman.initialized) + return; + + man = &rdev->mman.bdev.man[TTM_PL_VRAM]; + /* this just adjusts TTM size idea, which sets lpfn to the correct value */ + man->size = size >> PAGE_SHIFT; +} + static struct vm_operations_struct radeon_ttm_vm_ops; static const struct vm_operations_struct *ttm_vm_ops = NULL; diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index 5afe294ed51..8af4679db23 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -751,7 +751,6 @@ void rs600_mc_init(struct radeon_device *rdev) rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE); rdev->mc.mc_vram_size = rdev->mc.real_vram_size; rdev->mc.visible_vram_size = rdev->mc.aper_size; - rdev->mc.active_vram_size = rdev->mc.visible_vram_size; rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); base = RREG32_MC(R_000004_MC_FB_LOCATION); base = G_000004_MC_FB_START(base) << 16; diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index 6638c8e4c81..66c949b7c18 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c @@ -157,7 +157,6 @@ void rs690_mc_init(struct radeon_device *rdev) rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); rdev->mc.visible_vram_size = rdev->mc.aper_size; - rdev->mc.active_vram_size = rdev->mc.visible_vram_size; base = RREG32_MC(R_000100_MCCFG_FB_LOCATION); base = G_000100_MC_FB_START(base) << 16; rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index d8ba6769065..714ad45757d 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -307,7 +307,7 @@ static void rv770_mc_program(struct radeon_device *rdev) */ void r700_cp_stop(struct radeon_device *rdev) { - rdev->mc.active_vram_size = rdev->mc.visible_vram_size; + radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size); WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT)); WREG32(SCRATCH_UMSK, 0); } @@ -1123,7 +1123,6 @@ int rv770_mc_init(struct radeon_device *rdev) rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE); rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE); rdev->mc.visible_vram_size = rdev->mc.aper_size; - rdev->mc.active_vram_size = rdev->mc.visible_vram_size; r700_vram_gtt_location(rdev, &rdev->mc); radeon_update_bandwidth_info(rdev); diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c index 3f49dd376f0..6e06019015a 100644 --- a/drivers/hwmon/f71882fg.c +++ b/drivers/hwmon/f71882fg.c @@ -37,7 +37,7 @@ #define SIO_F71858FG_LD_HWM 0x02 /* Hardware monitor logical device */ #define SIO_F71882FG_LD_HWM 0x04 /* Hardware monitor logical device */ #define SIO_UNLOCK_KEY 0x87 /* Key to enable Super-I/O */ -#define SIO_LOCK_KEY 0xAA /* Key to diasble Super-I/O */ +#define SIO_LOCK_KEY 0xAA /* Key to disable Super-I/O */ #define SIO_REG_LDSEL 0x07 /* Logical device select */ #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ @@ -2111,7 +2111,6 @@ static int f71882fg_remove(struct platform_device *pdev) int nr_fans = (data->type == f71882fg) ? 4 : 3; u8 start_reg = f71882fg_read8(data, F71882FG_REG_START); - platform_set_drvdata(pdev, NULL); if (data->hwmon_dev) hwmon_device_unregister(data->hwmon_dev); @@ -2178,6 +2177,7 @@ static int f71882fg_remove(struct platform_device *pdev) } } + platform_set_drvdata(pdev, NULL); kfree(data); return 0; diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c index 2e067dd2ee5..50ea1f43bdc 100644 --- a/drivers/i2c/busses/i2c-eg20t.c +++ b/drivers/i2c/busses/i2c-eg20t.c @@ -29,6 +29,7 @@ #include <linux/pci.h> #include <linux/mutex.h> #include <linux/ktime.h> +#include <linux/slab.h> #define PCH_EVENT_SET 0 /* I2C Interrupt Event Set Status */ #define PCH_EVENT_NONE 1 /* I2C Interrupt Event Clear Status */ diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c index ef3bcb1ce86..61653f07967 100644 --- a/drivers/i2c/busses/i2c-ocores.c +++ b/drivers/i2c/busses/i2c-ocores.c @@ -249,7 +249,7 @@ static struct i2c_adapter ocores_adapter = { static int ocores_i2c_of_probe(struct platform_device* pdev, struct ocores_i2c* i2c) { - __be32* val; + const __be32* val; val = of_get_property(pdev->dev.of_node, "regstep", NULL); if (!val) { diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 829a2a1029f..58a58c7eaa1 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -378,9 +378,7 @@ static int omap_i2c_init(struct omap_i2c_dev *dev) * REVISIT: Some wkup sources might not be needed. */ dev->westate = OMAP_I2C_WE_ALL; - if (dev->rev < OMAP_I2C_REV_ON_4430) - omap_i2c_write_reg(dev, OMAP_I2C_WE_REG, - dev->westate); + omap_i2c_write_reg(dev, OMAP_I2C_WE_REG, dev->westate); } } omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0); diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 1fa091e0569..4a5c4a44ffb 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -62,6 +62,7 @@ #include <linux/notifier.h> #include <linux/cpu.h> #include <asm/mwait.h> +#include <asm/msr.h> #define INTEL_IDLE_VERSION "0.4" #define PREFIX "intel_idle: " @@ -85,6 +86,12 @@ static int intel_idle(struct cpuidle_device *dev, struct cpuidle_state *state); static struct cpuidle_state *cpuidle_state_table; /* + * Hardware C-state auto-demotion may not always be optimal. + * Indicate which enable bits to clear here. + */ +static unsigned long long auto_demotion_disable_flags; + +/* * Set this flag for states where the HW flushes the TLB for us * and so we don't need cross-calls to keep it consistent. * If this flag is set, SW flushes the TLB, so even if the @@ -281,6 +288,15 @@ static struct notifier_block setup_broadcast_notifier = { .notifier_call = setup_broadcast_cpuhp_notify, }; +static void auto_demotion_disable(void *dummy) +{ + unsigned long long msr_bits; + + rdmsrl(MSR_NHM_SNB_PKG_CST_CFG_CTL, msr_bits); + msr_bits &= ~auto_demotion_disable_flags; + wrmsrl(MSR_NHM_SNB_PKG_CST_CFG_CTL, msr_bits); +} + /* * intel_idle_probe() */ @@ -324,11 +340,17 @@ static int intel_idle_probe(void) case 0x25: /* Westmere */ case 0x2C: /* Westmere */ cpuidle_state_table = nehalem_cstates; + auto_demotion_disable_flags = + (NHM_C1_AUTO_DEMOTE | NHM_C3_AUTO_DEMOTE); break; case 0x1C: /* 28 - Atom Processor */ + cpuidle_state_table = atom_cstates; + break; + case 0x26: /* 38 - Lincroft Atom Processor */ cpuidle_state_table = atom_cstates; + auto_demotion_disable_flags = ATM_LNC_C6_AUTO_DEMOTE; break; case 0x2A: /* SNB */ @@ -436,6 +458,8 @@ static int intel_idle_cpuidle_devices_init(void) return -EIO; } } + if (auto_demotion_disable_flags) + smp_call_function(auto_demotion_disable, NULL, 1); return 0; } diff --git a/drivers/isdn/hardware/eicon/istream.c b/drivers/isdn/hardware/eicon/istream.c index 18f8798442f..7bd5baa547b 100644 --- a/drivers/isdn/hardware/eicon/istream.c +++ b/drivers/isdn/hardware/eicon/istream.c @@ -62,7 +62,7 @@ void diva_xdi_provide_istream_info (ADAPTER* a, stream interface. If synchronous service was requested, then function does return amount of data written to stream. - 'final' does indicate that pice of data to be written is + 'final' does indicate that piece of data to be written is final part of frame (necessary only by structured datatransfer) return 0 if zero lengh packet was written return -1 if stream is full diff --git a/drivers/media/common/tuners/tda8290.c b/drivers/media/common/tuners/tda8290.c index bc6a67768af..8c4852114ee 100644 --- a/drivers/media/common/tuners/tda8290.c +++ b/drivers/media/common/tuners/tda8290.c @@ -658,13 +658,13 @@ static int tda8290_probe(struct tuner_i2c_props *i2c_props) #define TDA8290_ID 0x89 u8 reg = 0x1f, id; struct i2c_msg msg_read[] = { - { .addr = 0x4b, .flags = 0, .len = 1, .buf = ® }, - { .addr = 0x4b, .flags = I2C_M_RD, .len = 1, .buf = &id }, + { .addr = i2c_props->addr, .flags = 0, .len = 1, .buf = ® }, + { .addr = i2c_props->addr, .flags = I2C_M_RD, .len = 1, .buf = &id }, }; /* detect tda8290 */ if (i2c_transfer(i2c_props->adap, msg_read, 2) != 2) { - printk(KERN_WARNING "%s: tda8290 couldn't read register 0x%02x\n", + printk(KERN_WARNING "%s: couldn't read register 0x%02x\n", __func__, reg); return -ENODEV; } @@ -685,13 +685,13 @@ static int tda8295_probe(struct tuner_i2c_props *i2c_props) #define TDA8295C2_ID 0x8b u8 reg = 0x2f, id; struct i2c_msg msg_read[] = { - { .addr = 0x4b, .flags = 0, .len = 1, .buf = ® }, - { .addr = 0x4b, .flags = I2C_M_RD, .len = 1, .buf = &id }, + { .addr = i2c_props->addr, .flags = 0, .len = 1, .buf = ® }, + { .addr = i2c_props->addr, .flags = I2C_M_RD, .len = 1, .buf = &id }, }; - /* detect tda8290 */ + /* detect tda8295 */ if (i2c_transfer(i2c_props->adap, msg_read, 2) != 2) { - printk(KERN_WARNING "%s: tda8290 couldn't read register 0x%02x\n", + printk(KERN_WARNING "%s: couldn't read register 0x%02x\n", __func__, reg); return -ENODEV; } diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index defd83964ce..193cdb77b76 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -870,6 +870,23 @@ static int dib7070p_tuner_attach(struct dvb_usb_adapter *adap) return 0; } +static int stk7700p_pid_filter(struct dvb_usb_adapter *adapter, int index, + u16 pid, int onoff) +{ + struct dib0700_state *st = adapter->dev->priv; + if (st->is_dib7000pc) + return dib7000p_pid_filter(adapter->fe, index, pid, onoff); + return dib7000m_pid_filter(adapter->fe, index, pid, onoff); +} + +static int stk7700p_pid_filter_ctrl(struct dvb_usb_adapter *adapter, int onoff) +{ + struct dib0700_state *st = adapter->dev->priv; + if (st->is_dib7000pc) + return dib7000p_pid_filter_ctrl(adapter->fe, onoff); + return dib7000m_pid_filter_ctrl(adapter->fe, onoff); +} + static int stk70x0p_pid_filter(struct dvb_usb_adapter *adapter, int index, u16 pid, int onoff) { return dib7000p_pid_filter(adapter->fe, index, pid, onoff); @@ -1875,8 +1892,8 @@ struct dvb_usb_device_properties dib0700_devices[] = { { .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, .pid_filter_count = 32, - .pid_filter = stk70x0p_pid_filter, - .pid_filter_ctrl = stk70x0p_pid_filter_ctrl, + .pid_filter = stk7700p_pid_filter, + .pid_filter_ctrl = stk7700p_pid_filter_ctrl, .frontend_attach = stk7700p_frontend_attach, .tuner_attach = stk7700p_tuner_attach, diff --git a/drivers/media/dvb/dvb-usb/lmedm04.c b/drivers/media/dvb/dvb-usb/lmedm04.c index 9eea4188303..46ccd01a769 100644 --- a/drivers/media/dvb/dvb-usb/lmedm04.c +++ b/drivers/media/dvb/dvb-usb/lmedm04.c @@ -659,7 +659,7 @@ static int lme2510_download_firmware(struct usb_device *dev, } /* Default firmware for LME2510C */ -const char lme_firmware[50] = "dvb-usb-lme2510c-s7395.fw"; +char lme_firmware[50] = "dvb-usb-lme2510c-s7395.fw"; static void lme_coldreset(struct usb_device *dev) { @@ -1006,7 +1006,7 @@ static struct dvb_usb_device_properties lme2510c_properties = { .caps = DVB_USB_IS_AN_I2C_ADAPTER, .usb_ctrl = DEVICE_SPECIFIC, .download_firmware = lme2510_download_firmware, - .firmware = lme_firmware, + .firmware = (const char *)&lme_firmware, .size_of_priv = sizeof(struct lme2510_state), .num_adapters = 1, .adapter = { @@ -1109,5 +1109,5 @@ module_exit(lme2510_module_exit); MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>"); MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0"); -MODULE_VERSION("1.74"); +MODULE_VERSION("1.75"); MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/frontends/dib7000m.c b/drivers/media/dvb/frontends/dib7000m.c index c7f5ccf54aa..289a79837f2 100644 --- a/drivers/media/dvb/frontends/dib7000m.c +++ b/drivers/media/dvb/frontends/dib7000m.c @@ -1285,6 +1285,25 @@ struct i2c_adapter * dib7000m_get_i2c_master(struct dvb_frontend *demod, enum di } EXPORT_SYMBOL(dib7000m_get_i2c_master); +int dib7000m_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff) +{ + struct dib7000m_state *state = fe->demodulator_priv; + u16 val = dib7000m_read_word(state, 294 + state->reg_offs) & 0xffef; + val |= (onoff & 0x1) << 4; + dprintk("PID filter enabled %d", onoff); + return dib7000m_write_word(state, 294 + state->reg_offs, val); +} +EXPORT_SYMBOL(dib7000m_pid_filter_ctrl); + +int dib7000m_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff) +{ + struct dib7000m_state *state = fe->demodulator_priv; + dprintk("PID filter: index %x, PID %d, OnOff %d", id, pid, onoff); + return dib7000m_write_word(state, 300 + state->reg_offs + id, + onoff ? (1 << 13) | pid : 0); +} +EXPORT_SYMBOL(dib7000m_pid_filter); + #if 0 /* used with some prototype boards */ int dib7000m_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, diff --git a/drivers/media/dvb/frontends/dib7000m.h b/drivers/media/dvb/frontends/dib7000m.h index 113819ce9f0..81fcf2241c6 100644 --- a/drivers/media/dvb/frontends/dib7000m.h +++ b/drivers/media/dvb/frontends/dib7000m.h @@ -46,6 +46,8 @@ extern struct dvb_frontend *dib7000m_attach(struct i2c_adapter *i2c_adap, extern struct i2c_adapter *dib7000m_get_i2c_master(struct dvb_frontend *, enum dibx000_i2c_interface, int); +extern int dib7000m_pid_filter(struct dvb_frontend *, u8 id, u16 pid, u8 onoff); +extern int dib7000m_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff); #else static inline struct dvb_frontend *dib7000m_attach(struct i2c_adapter *i2c_adap, @@ -63,6 +65,19 @@ struct i2c_adapter *dib7000m_get_i2c_master(struct dvb_frontend *demod, printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } +static inline int dib7000m_pid_filter(struct dvb_frontend *fe, u8 id, + u16 pid, u8 onoff) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return -ENODEV; +} + +static inline int dib7000m_pid_filter_ctrl(struct dvb_frontend *fe, + uint8_t onoff) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return -ENODEV; +} #endif /* TODO diff --git a/drivers/media/dvb/mantis/mantis_pci.c b/drivers/media/dvb/mantis/mantis_pci.c index 59feeb84aec..10a432a79d0 100644 --- a/drivers/media/dvb/mantis/mantis_pci.c +++ b/drivers/media/dvb/mantis/mantis_pci.c @@ -22,7 +22,6 @@ #include <linux/moduleparam.h> #include <linux/kernel.h> #include <asm/io.h> -#include <asm/pgtable.h> #include <asm/page.h> #include <linux/kmod.h> #include <linux/vmalloc.h> diff --git a/drivers/media/rc/ir-raw.c b/drivers/media/rc/ir-raw.c index 73230ff93b8..01f258a2a57 100644 --- a/drivers/media/rc/ir-raw.c +++ b/drivers/media/rc/ir-raw.c @@ -112,7 +112,7 @@ int ir_raw_event_store_edge(struct rc_dev *dev, enum raw_event_type type) { ktime_t now; s64 delta; /* ns */ - struct ir_raw_event ev; + DEFINE_IR_RAW_EVENT(ev); int rc = 0; if (!dev->raw) @@ -125,7 +125,6 @@ int ir_raw_event_store_edge(struct rc_dev *dev, enum raw_event_type type) * being called for the first time, note that delta can't * possibly be negative. */ - ev.duration = 0; if (delta > IR_MAX_DURATION || !dev->raw->last_type) type |= IR_START_EVENT; else diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c index 6df0a498064..e4f8eac7f71 100644 --- a/drivers/media/rc/mceusb.c +++ b/drivers/media/rc/mceusb.c @@ -148,6 +148,7 @@ enum mceusb_model_type { MCE_GEN2_TX_INV, POLARIS_EVK, CX_HYBRID_TV, + MULTIFUNCTION, }; struct mceusb_model { @@ -155,9 +156,10 @@ struct mceusb_model { u32 mce_gen2:1; u32 mce_gen3:1; u32 tx_mask_normal:1; - u32 is_polaris:1; u32 no_tx:1; + int ir_intfnum; + const char *rc_map; /* Allow specify a per-board map */ const char *name; /* per-board name */ }; @@ -179,7 +181,6 @@ static const struct mceusb_model mceusb_model[] = { .tx_mask_normal = 1, }, [POLARIS_EVK] = { - .is_polaris = 1, /* * In fact, the EVK is shipped without * remotes, but we should have something handy, @@ -189,10 +190,13 @@ static const struct mceusb_model mceusb_model[] = { .name = "Conexant Hybrid TV (cx231xx) MCE IR", }, [CX_HYBRID_TV] = { - .is_polaris = 1, .no_tx = 1, /* tx isn't wired up at all */ .name = "Conexant Hybrid TV (cx231xx) MCE IR", }, + [MULTIFUNCTION] = { + .mce_gen2 = 1, + .ir_intfnum = 2, + }, }; static struct usb_device_id mceusb_dev_table[] = { @@ -216,8 +220,9 @@ static struct usb_device_id mceusb_dev_table[] = { { USB_DEVICE(VENDOR_PHILIPS, 0x206c) }, /* Philips/Spinel plus IR transceiver for ASUS */ { USB_DEVICE(VENDOR_PHILIPS, 0x2088) }, - /* Realtek MCE IR Receiver */ - { USB_DEVICE(VENDOR_REALTEK, 0x0161) }, + /* Realtek MCE IR Receiver and card reader */ + { USB_DEVICE(VENDOR_REALTEK, 0x0161), + .driver_info = MULTIFUNCTION }, /* SMK/Toshiba G83C0004D410 */ { USB_DEVICE(VENDOR_SMK, 0x031d), .driver_info = MCE_GEN2_TX_INV }, @@ -1101,7 +1106,7 @@ static int __devinit mceusb_dev_probe(struct usb_interface *intf, bool is_gen3; bool is_microsoft_gen1; bool tx_mask_normal; - bool is_polaris; + int ir_intfnum; dev_dbg(&intf->dev, "%s called\n", __func__); @@ -1110,13 +1115,11 @@ static int __devinit mceusb_dev_probe(struct usb_interface *intf, is_gen3 = mceusb_model[model].mce_gen3; is_microsoft_gen1 = mceusb_model[model].mce_gen1; tx_mask_normal = mceusb_model[model].tx_mask_normal; - is_polaris = mceusb_model[model].is_polaris; + ir_intfnum = mceusb_model[model].ir_intfnum; - if (is_polaris) { - /* Interface 0 is IR */ - if (idesc->desc.bInterfaceNumber) - return -ENODEV; - } + /* There are multi-function devices with non-IR interfaces */ + if (idesc->desc.bInterfaceNumber != ir_intfnum) + return -ENODEV; /* step through the endpoints to find first bulk in and out endpoint */ for (i = 0; i < idesc->desc.bNumEndpoints; ++i) { diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c index 273d9d67479..d4d64492a05 100644 --- a/drivers/media/rc/nuvoton-cir.c +++ b/drivers/media/rc/nuvoton-cir.c @@ -385,8 +385,9 @@ static void nvt_cir_regs_init(struct nvt_dev *nvt) static void nvt_cir_wake_regs_init(struct nvt_dev *nvt) { - /* set number of bytes needed for wake key comparison (default 67) */ - nvt_cir_wake_reg_write(nvt, CIR_WAKE_FIFO_LEN, CIR_WAKE_FIFO_CMP_DEEP); + /* set number of bytes needed for wake from s3 (default 65) */ + nvt_cir_wake_reg_write(nvt, CIR_WAKE_FIFO_CMP_BYTES, + CIR_WAKE_FIFO_CMP_DEEP); /* set tolerance/variance allowed per byte during wake compare */ nvt_cir_wake_reg_write(nvt, CIR_WAKE_CMP_TOLERANCE, diff --git a/drivers/media/rc/nuvoton-cir.h b/drivers/media/rc/nuvoton-cir.h index 1df82351cb0..048135eea70 100644 --- a/drivers/media/rc/nuvoton-cir.h +++ b/drivers/media/rc/nuvoton-cir.h @@ -305,8 +305,11 @@ struct nvt_dev { #define CIR_WAKE_IRFIFOSTS_RX_EMPTY 0x20 #define CIR_WAKE_IRFIFOSTS_RX_FULL 0x10 -/* CIR Wake FIFO buffer is 67 bytes long */ -#define CIR_WAKE_FIFO_LEN 67 +/* + * The CIR Wake FIFO buffer is 67 bytes long, but the stock remote wakes + * the system comparing only 65 bytes (fails with this set to 67) + */ +#define CIR_WAKE_FIFO_CMP_BYTES 65 /* CIR Wake byte comparison tolerance */ #define CIR_WAKE_CMP_TOLERANCE 5 diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index 512a2f4ada0..5b4422ef4e6 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -850,7 +850,7 @@ static ssize_t store_protocols(struct device *device, count++; } else { for (i = 0; i < ARRAY_SIZE(proto_names); i++) { - if (!strncasecmp(tmp, proto_names[i].name, strlen(proto_names[i].name))) { + if (!strcasecmp(tmp, proto_names[i].name)) { tmp += strlen(proto_names[i].name); mask = proto_names[i].type; break; diff --git a/drivers/media/video/au0828/au0828-video.c b/drivers/media/video/au0828/au0828-video.c index e41e4ad5cc4..9c475c600fc 100644 --- a/drivers/media/video/au0828/au0828-video.c +++ b/drivers/media/video/au0828/au0828-video.c @@ -1758,7 +1758,12 @@ static int vidioc_reqbufs(struct file *file, void *priv, if (rc < 0) return rc; - return videobuf_reqbufs(&fh->vb_vidq, rb); + if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + rc = videobuf_reqbufs(&fh->vb_vidq, rb); + else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) + rc = videobuf_reqbufs(&fh->vb_vbiq, rb); + + return rc; } static int vidioc_querybuf(struct file *file, void *priv, @@ -1772,7 +1777,12 @@ static int vidioc_querybuf(struct file *file, void *priv, if (rc < 0) return rc; - return videobuf_querybuf(&fh->vb_vidq, b); + if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + rc = videobuf_querybuf(&fh->vb_vidq, b); + else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) + rc = videobuf_querybuf(&fh->vb_vbiq, b); + + return rc; } static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) @@ -1785,7 +1795,12 @@ static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) if (rc < 0) return rc; - return videobuf_qbuf(&fh->vb_vidq, b); + if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + rc = videobuf_qbuf(&fh->vb_vidq, b); + else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) + rc = videobuf_qbuf(&fh->vb_vbiq, b); + + return rc; } static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) @@ -1806,7 +1821,12 @@ static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) dev->greenscreen_detected = 0; } - return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); + if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + rc = videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); + else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) + rc = videobuf_dqbuf(&fh->vb_vbiq, b, file->f_flags & O_NONBLOCK); + + return rc; } static struct v4l2_file_operations au0828_v4l_fops = { diff --git a/drivers/media/video/cx18/cx18-cards.c b/drivers/media/video/cx18/cx18-cards.c index 87177733cf9..68ad1963f42 100644 --- a/drivers/media/video/cx18/cx18-cards.c +++ b/drivers/media/video/cx18/cx18-cards.c @@ -95,6 +95,53 @@ static const struct cx18_card cx18_card_hvr1600_esmt = { .i2c = &cx18_i2c_std, }; +static const struct cx18_card cx18_card_hvr1600_s5h1411 = { + .type = CX18_CARD_HVR_1600_S5H1411, + .name = "Hauppauge HVR-1600", + .comment = "Simultaneous Digital and Analog TV capture supported\n", + .v4l2_capabilities = CX18_CAP_ENCODER, + .hw_audio_ctrl = CX18_HW_418_AV, + .hw_muxer = CX18_HW_CS5345, + .hw_all = CX18_HW_TVEEPROM | CX18_HW_418_AV | CX18_HW_TUNER | + CX18_HW_CS5345 | CX18_HW_DVB | CX18_HW_GPIO_RESET_CTRL | + CX18_HW_Z8F0811_IR_HAUP, + .video_inputs = { + { CX18_CARD_INPUT_VID_TUNER, 0, CX18_AV_COMPOSITE7 }, + { CX18_CARD_INPUT_SVIDEO1, 1, CX18_AV_SVIDEO1 }, + { CX18_CARD_INPUT_COMPOSITE1, 1, CX18_AV_COMPOSITE3 }, + { CX18_CARD_INPUT_SVIDEO2, 2, CX18_AV_SVIDEO2 }, + { CX18_CARD_INPUT_COMPOSITE2, 2, CX18_AV_COMPOSITE4 }, + }, + .audio_inputs = { + { CX18_CARD_INPUT_AUD_TUNER, + CX18_AV_AUDIO8, CS5345_IN_1 | CS5345_MCLK_1_5 }, + { CX18_CARD_INPUT_LINE_IN1, + CX18_AV_AUDIO_SERIAL1, CS5345_IN_2 }, + { CX18_CARD_INPUT_LINE_IN2, + CX18_AV_AUDIO_SERIAL1, CS5345_IN_3 }, + }, + .radio_input = { CX18_CARD_INPUT_AUD_TUNER, + CX18_AV_AUDIO_SERIAL1, CS5345_IN_4 }, + .ddr = { + /* ESMT M13S128324A-5B memory */ + .chip_config = 0x003, + .refresh = 0x30c, + .timing1 = 0x44220e82, + .timing2 = 0x08, + .tune_lane = 0, + .initial_emrs = 0, + }, + .gpio_init.initial_value = 0x3001, + .gpio_init.direction = 0x3001, + .gpio_i2c_slave_reset = { + .active_lo_mask = 0x3001, + .msecs_asserted = 10, + .msecs_recovery = 40, + .ir_reset_mask = 0x0001, + }, + .i2c = &cx18_i2c_std, +}; + static const struct cx18_card cx18_card_hvr1600_samsung = { .type = CX18_CARD_HVR_1600_SAMSUNG, .name = "Hauppauge HVR-1600 (Preproduction)", @@ -523,7 +570,8 @@ static const struct cx18_card *cx18_card_list[] = { &cx18_card_toshiba_qosmio_dvbt, &cx18_card_leadtek_pvr2100, &cx18_card_leadtek_dvr3100h, - &cx18_card_gotview_dvd3 + &cx18_card_gotview_dvd3, + &cx18_card_hvr1600_s5h1411 }; const struct cx18_card *cx18_get_card(u16 index) diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c index 944af8adbe0..b1c3cbd9274 100644 --- a/drivers/media/video/cx18/cx18-driver.c +++ b/drivers/media/video/cx18/cx18-driver.c @@ -157,6 +157,7 @@ MODULE_PARM_DESC(cardtype, "\t\t\t 7 = Leadtek WinFast PVR2100\n" "\t\t\t 8 = Leadtek WinFast DVR3100 H\n" "\t\t\t 9 = GoTView PCI DVD3 Hybrid\n" + "\t\t\t 10 = Hauppauge HVR 1600 (S5H1411)\n" "\t\t\t 0 = Autodetect (default)\n" "\t\t\t-1 = Ignore this card\n\t\t"); MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60"); @@ -337,6 +338,7 @@ void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv) switch (cx->card->type) { case CX18_CARD_HVR_1600_ESMT: case CX18_CARD_HVR_1600_SAMSUNG: + case CX18_CARD_HVR_1600_S5H1411: tveeprom_hauppauge_analog(&c, tv, eedata); break; case CX18_CARD_YUAN_MPC718: @@ -365,7 +367,25 @@ static void cx18_process_eeprom(struct cx18 *cx) from the model number. Use the cardtype module option if you have one of these preproduction models. */ switch (tv.model) { - case 74000 ... 74999: + case 74301: /* Retail models */ + case 74321: + case 74351: /* OEM models */ + case 74361: + /* Digital side is s5h1411/tda18271 */ + cx->card = cx18_get_card(CX18_CARD_HVR_1600_S5H1411); + break; + case 74021: /* Retail models */ + case 74031: + case 74041: + case 74141: + case 74541: /* OEM models */ + case 74551: + case 74591: + case 74651: + case 74691: + case 74751: + case 74891: + /* Digital side is s5h1409/mxl5005s */ cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); break; case 0x718: @@ -377,7 +397,8 @@ static void cx18_process_eeprom(struct cx18 *cx) CX18_ERR("Invalid EEPROM\n"); return; default: - CX18_ERR("Unknown model %d, defaulting to HVR-1600\n", tv.model); + CX18_ERR("Unknown model %d, defaulting to original HVR-1600 " + "(cardtype=1)\n", tv.model); cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); break; } diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index 306caac6d3f..f736679d251 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -85,7 +85,8 @@ #define CX18_CARD_LEADTEK_PVR2100 6 /* Leadtek WinFast PVR2100 */ #define CX18_CARD_LEADTEK_DVR3100H 7 /* Leadtek WinFast DVR3100 H */ #define CX18_CARD_GOTVIEW_PCI_DVD3 8 /* GoTView PCI DVD3 Hybrid */ -#define CX18_CARD_LAST 8 +#define CX18_CARD_HVR_1600_S5H1411 9 /* Hauppauge HVR 1600 s5h1411/tda18271*/ +#define CX18_CARD_LAST 9 #define CX18_ENC_STREAM_TYPE_MPG 0 #define CX18_ENC_STREAM_TYPE_TS 1 diff --git a/drivers/media/video/cx18/cx18-dvb.c b/drivers/media/video/cx18/cx18-dvb.c index f0381d62518..f41922bd402 100644 --- a/drivers/media/video/cx18/cx18-dvb.c +++ b/drivers/media/video/cx18/cx18-dvb.c @@ -29,6 +29,8 @@ #include "cx18-gpio.h" #include "s5h1409.h" #include "mxl5005s.h" +#include "s5h1411.h" +#include "tda18271.h" #include "zl10353.h" #include <linux/firmware.h> @@ -77,6 +79,32 @@ static struct s5h1409_config hauppauge_hvr1600_config = { }; /* + * CX18_CARD_HVR_1600_S5H1411 + */ +static struct s5h1411_config hcw_s5h1411_config = { + .output_mode = S5H1411_SERIAL_OUTPUT, + .gpio = S5H1411_GPIO_OFF, + .vsb_if = S5H1411_IF_44000, + .qam_if = S5H1411_IF_4000, + .inversion = S5H1411_INVERSION_ON, + .status_mode = S5H1411_DEMODLOCKING, + .mpeg_timing = S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK, +}; + +static struct tda18271_std_map hauppauge_tda18271_std_map = { + .atsc_6 = { .if_freq = 5380, .agc_mode = 3, .std = 3, + .if_lvl = 6, .rfagc_top = 0x37 }, + .qam_6 = { .if_freq = 4000, .agc_mode = 3, .std = 0, + .if_lvl = 6, .rfagc_top = 0x37 }, +}; + +static struct tda18271_config hauppauge_tda18271_config = { + .std_map = &hauppauge_tda18271_std_map, + .gate = TDA18271_GATE_DIGITAL, + .output_opt = TDA18271_OUTPUT_LT_OFF, +}; + +/* * CX18_CARD_LEADTEK_DVR3100H */ /* Information/confirmation of proper config values provided by Terry Wu */ @@ -244,6 +272,7 @@ static int cx18_dvb_start_feed(struct dvb_demux_feed *feed) switch (cx->card->type) { case CX18_CARD_HVR_1600_ESMT: case CX18_CARD_HVR_1600_SAMSUNG: + case CX18_CARD_HVR_1600_S5H1411: v = cx18_read_reg(cx, CX18_REG_DMUX_NUM_PORT_0_CONTROL); v |= 0x00400000; /* Serial Mode */ v |= 0x00002000; /* Data Length - Byte */ @@ -455,6 +484,15 @@ static int dvb_register(struct cx18_stream *stream) ret = 0; } break; + case CX18_CARD_HVR_1600_S5H1411: + dvb->fe = dvb_attach(s5h1411_attach, + &hcw_s5h1411_config, + &cx->i2c_adap[0]); + if (dvb->fe != NULL) + dvb_attach(tda18271_attach, dvb->fe, + 0x60, &cx->i2c_adap[0], + &hauppauge_tda18271_config); + break; case CX18_CARD_LEADTEK_DVR3100H: dvb->fe = dvb_attach(zl10353_attach, &leadtek_dvr3100h_demod, diff --git a/drivers/media/video/cx23885/cx23885-i2c.c b/drivers/media/video/cx23885/cx23885-i2c.c index ed3d8f55029..307ff543c25 100644 --- a/drivers/media/video/cx23885/cx23885-i2c.c +++ b/drivers/media/video/cx23885/cx23885-i2c.c @@ -122,10 +122,6 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, if (!i2c_wait_done(i2c_adap)) goto eio; - if (!i2c_slave_did_ack(i2c_adap)) { - retval = -ENXIO; - goto err; - } if (i2c_debug) { printk(" <W %02x %02x", msg->addr << 1, msg->buf[0]); if (!(ctrl & I2C_NOSTOP)) @@ -158,7 +154,6 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, eio: retval = -EIO; - err: if (i2c_debug) printk(KERN_ERR " ERR: %d\n", retval); return retval; @@ -209,10 +204,6 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap, if (!i2c_wait_done(i2c_adap)) goto eio; - if (cnt == 0 && !i2c_slave_did_ack(i2c_adap)) { - retval = -ENXIO; - goto err; - } msg->buf[cnt] = cx_read(bus->reg_rdata) & 0xff; if (i2c_debug) { dprintk(1, " %02x", msg->buf[cnt]); @@ -224,7 +215,6 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap, eio: retval = -EIO; - err: if (i2c_debug) printk(KERN_ERR " ERR: %d\n", retval); return retval; diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index 6fc09dd41b9..35796e03524 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -2015,7 +2015,8 @@ static int cx25840_probe(struct i2c_client *client, kfree(state); return err; } - v4l2_ctrl_cluster(2, &state->volume); + if (!is_cx2583x(state)) + v4l2_ctrl_cluster(2, &state->volume); v4l2_ctrl_handler_setup(&state->hdl); if (client->dev.platform_data) { diff --git a/drivers/media/video/ivtv/ivtv-irq.c b/drivers/media/video/ivtv/ivtv-irq.c index 9b4faf00919..9c29e964d40 100644 --- a/drivers/media/video/ivtv/ivtv-irq.c +++ b/drivers/media/video/ivtv/ivtv-irq.c @@ -628,22 +628,66 @@ static void ivtv_irq_enc_pio_complete(struct ivtv *itv) static void ivtv_irq_dma_err(struct ivtv *itv) { u32 data[CX2341X_MBOX_MAX_DATA]; + u32 status; del_timer(&itv->dma_timer); + ivtv_api_get_data(&itv->enc_mbox, IVTV_MBOX_DMA_END, 2, data); + status = read_reg(IVTV_REG_DMASTATUS); IVTV_DEBUG_WARN("DMA ERROR %08x %08x %08x %d\n", data[0], data[1], - read_reg(IVTV_REG_DMASTATUS), itv->cur_dma_stream); - write_reg(read_reg(IVTV_REG_DMASTATUS) & 3, IVTV_REG_DMASTATUS); + status, itv->cur_dma_stream); + /* + * We do *not* write back to the IVTV_REG_DMASTATUS register to + * clear the error status, if either the encoder write (0x02) or + * decoder read (0x01) bus master DMA operation do not indicate + * completed. We can race with the DMA engine, which may have + * transitioned to completed status *after* we read the register. + * Setting a IVTV_REG_DMASTATUS flag back to "busy" status, after the + * DMA engine has completed, will cause the DMA engine to stop working. + */ + status &= 0x3; + if (status == 0x3) + write_reg(status, IVTV_REG_DMASTATUS); + if (!test_bit(IVTV_F_I_UDMA, &itv->i_flags) && itv->cur_dma_stream >= 0 && itv->cur_dma_stream < IVTV_MAX_STREAMS) { struct ivtv_stream *s = &itv->streams[itv->cur_dma_stream]; - /* retry */ - if (s->type >= IVTV_DEC_STREAM_TYPE_MPG) + if (s->type >= IVTV_DEC_STREAM_TYPE_MPG) { + /* retry */ + /* + * FIXME - handle cases of DMA error similar to + * encoder below, except conditioned on status & 0x1 + */ ivtv_dma_dec_start(s); - else - ivtv_dma_enc_start(s); - return; + return; + } else { + if ((status & 0x2) == 0) { + /* + * CX2341x Bus Master DMA write is ongoing. + * Reset the timer and let it complete. + */ + itv->dma_timer.expires = + jiffies + msecs_to_jiffies(600); + add_timer(&itv->dma_timer); + return; + } + + if (itv->dma_retries < 3) { + /* + * CX2341x Bus Master DMA write has ended. + * Retry the write, starting with the first + * xfer segment. Just retrying the current + * segment is not sufficient. + */ + s->sg_processed = 0; + itv->dma_retries++; + ivtv_dma_enc_start_xfer(s); + return; + } + /* Too many retries, give up on this one */ + } + } if (test_bit(IVTV_F_I_UDMA, &itv->i_flags)) { ivtv_udma_start(itv); diff --git a/drivers/media/video/mem2mem_testdev.c b/drivers/media/video/mem2mem_testdev.c index c179041d91f..e7e717800ee 100644 --- a/drivers/media/video/mem2mem_testdev.c +++ b/drivers/media/video/mem2mem_testdev.c @@ -1011,7 +1011,6 @@ static int m2mtest_remove(struct platform_device *pdev) v4l2_m2m_release(dev->m2m_dev); del_timer_sync(&dev->timer); video_unregister_device(dev->vfd); - video_device_release(dev->vfd); v4l2_device_unregister(&dev->v4l2_dev); kfree(dev); diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c index b63f8cafa67..561909b65ce 100644 --- a/drivers/media/video/s2255drv.c +++ b/drivers/media/video/s2255drv.c @@ -57,7 +57,7 @@ #include <linux/usb.h> #define S2255_MAJOR_VERSION 1 -#define S2255_MINOR_VERSION 20 +#define S2255_MINOR_VERSION 21 #define S2255_RELEASE 0 #define S2255_VERSION KERNEL_VERSION(S2255_MAJOR_VERSION, \ S2255_MINOR_VERSION, \ @@ -312,9 +312,9 @@ struct s2255_fh { }; /* current cypress EEPROM firmware version */ -#define S2255_CUR_USB_FWVER ((3 << 8) | 6) +#define S2255_CUR_USB_FWVER ((3 << 8) | 11) /* current DSP FW version */ -#define S2255_CUR_DSP_FWVER 8 +#define S2255_CUR_DSP_FWVER 10102 /* Need DSP version 5+ for video status feature */ #define S2255_MIN_DSP_STATUS 5 #define S2255_MIN_DSP_COLORFILTER 8 @@ -492,9 +492,11 @@ static void planar422p_to_yuv_packed(const unsigned char *in, static void s2255_reset_dsppower(struct s2255_dev *dev) { - s2255_vendor_req(dev, 0x40, 0x0b0b, 0x0b0b, NULL, 0, 1); + s2255_vendor_req(dev, 0x40, 0x0b0b, 0x0b01, NULL, 0, 1); msleep(10); s2255_vendor_req(dev, 0x50, 0x0000, 0x0000, NULL, 0, 1); + msleep(600); + s2255_vendor_req(dev, 0x10, 0x0000, 0x0000, NULL, 0, 1); return; } diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c index 6a1f9404261..c45e6305b26 100644 --- a/drivers/mfd/asic3.c +++ b/drivers/mfd/asic3.c @@ -143,9 +143,9 @@ static void asic3_irq_demux(unsigned int irq, struct irq_desc *desc) unsigned long flags; struct asic3 *asic; - desc->chip->ack(irq); + desc->irq_data.chip->irq_ack(&desc->irq_data); - asic = desc->handler_data; + asic = get_irq_data(irq); for (iter = 0 ; iter < MAX_ASIC_ISR_LOOPS; iter++) { u32 status; diff --git a/drivers/mfd/davinci_voicecodec.c b/drivers/mfd/davinci_voicecodec.c index 33c923d215c..fdd8a1b8bc6 100644 --- a/drivers/mfd/davinci_voicecodec.c +++ b/drivers/mfd/davinci_voicecodec.c @@ -118,12 +118,12 @@ static int __init davinci_vc_probe(struct platform_device *pdev) /* Voice codec interface client */ cell = &davinci_vc->cells[DAVINCI_VC_VCIF_CELL]; - cell->name = "davinci_vcif"; + cell->name = "davinci-vcif"; cell->driver_data = davinci_vc; /* Voice codec CQ93VC client */ cell = &davinci_vc->cells[DAVINCI_VC_CQ93VC_CELL]; - cell->name = "cq93vc"; + cell->name = "cq93vc-codec"; cell->driver_data = davinci_vc; ret = mfd_add_devices(&pdev->dev, pdev->id, davinci_vc->cells, diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c index 627cf577b16..e9018d1394e 100644 --- a/drivers/mfd/tps6586x.c +++ b/drivers/mfd/tps6586x.c @@ -150,12 +150,12 @@ static inline int __tps6586x_write(struct i2c_client *client, static inline int __tps6586x_writes(struct i2c_client *client, int reg, int len, uint8_t *val) { - int ret; + int ret, i; - ret = i2c_smbus_write_i2c_block_data(client, reg, len, val); - if (ret < 0) { - dev_err(&client->dev, "failed writings to 0x%02x\n", reg); - return ret; + for (i = 0; i < len; i++) { + ret = __tps6586x_write(client, reg + i, *(val + i)); + if (ret < 0) + return ret; } return 0; diff --git a/drivers/mfd/ucb1x00-ts.c b/drivers/mfd/ucb1x00-ts.c index 000cb414a78..92b85e28a15 100644 --- a/drivers/mfd/ucb1x00-ts.c +++ b/drivers/mfd/ucb1x00-ts.c @@ -385,12 +385,18 @@ static int ucb1x00_ts_add(struct ucb1x00_dev *dev) idev->close = ucb1x00_ts_close; __set_bit(EV_ABS, idev->evbit); - __set_bit(ABS_X, idev->absbit); - __set_bit(ABS_Y, idev->absbit); - __set_bit(ABS_PRESSURE, idev->absbit); input_set_drvdata(idev, ts); + ucb1x00_adc_enable(ts->ucb); + ts->x_res = ucb1x00_ts_read_xres(ts); + ts->y_res = ucb1x00_ts_read_yres(ts); + ucb1x00_adc_disable(ts->ucb); + + input_set_abs_params(idev, ABS_X, 0, ts->x_res, 0, 0); + input_set_abs_params(idev, ABS_Y, 0, ts->y_res, 0, 0); + input_set_abs_params(idev, ABS_PRESSURE, 0, 0, 0, 0); + err = input_register_device(idev); if (err) goto fail; diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c index 41233c7fa58..f4016a075fd 100644 --- a/drivers/mfd/wm8994-core.c +++ b/drivers/mfd/wm8994-core.c @@ -246,6 +246,16 @@ static int wm8994_suspend(struct device *dev) struct wm8994 *wm8994 = dev_get_drvdata(dev); int ret; + /* Don't actually go through with the suspend if the CODEC is + * still active (eg, for audio passthrough from CP. */ + ret = wm8994_reg_read(wm8994, WM8994_POWER_MANAGEMENT_1); + if (ret < 0) { + dev_err(dev, "Failed to read power status: %d\n", ret); + } else if (ret & WM8994_VMID_SEL_MASK) { + dev_dbg(dev, "CODEC still active, ignoring suspend\n"); + return 0; + } + /* GPIO configuration state is saved here since we may be configuring * the GPIO alternate functions even if we're not using the gpiolib * driver for them. @@ -261,6 +271,8 @@ static int wm8994_suspend(struct device *dev) if (ret < 0) dev_err(dev, "Failed to save LDO registers: %d\n", ret); + wm8994->suspended = true; + ret = regulator_bulk_disable(wm8994->num_supplies, wm8994->supplies); if (ret != 0) { @@ -276,6 +288,10 @@ static int wm8994_resume(struct device *dev) struct wm8994 *wm8994 = dev_get_drvdata(dev); int ret; + /* We may have lied to the PM core about suspending */ + if (!wm8994->suspended) + return 0; + ret = regulator_bulk_enable(wm8994->num_supplies, wm8994->supplies); if (ret != 0) { @@ -298,6 +314,8 @@ static int wm8994_resume(struct device *dev) if (ret < 0) dev_err(dev, "Failed to restore GPIO registers: %d\n", ret); + wm8994->suspended = false; + return 0; } #endif diff --git a/drivers/misc/bmp085.c b/drivers/misc/bmp085.c index 63ee4c1a531..b6e1c9a6679 100644 --- a/drivers/misc/bmp085.c +++ b/drivers/misc/bmp085.c @@ -449,6 +449,7 @@ static const struct i2c_device_id bmp085_id[] = { { "bmp085", 0 }, { } }; +MODULE_DEVICE_TABLE(i2c, bmp085_id); static struct i2c_driver bmp085_driver = { .driver = { diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 6625c057be0..150b5f3cd40 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1529,7 +1529,7 @@ void mmc_rescan(struct work_struct *work) * still present */ if (host->bus_ops && host->bus_ops->detect && !host->bus_dead - && mmc_card_is_removable(host)) + && !(host->caps & MMC_CAP_NONREMOVABLE)) host->bus_ops->detect(host); /* diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 5c4a54d9b6a..ebc62ad4cc5 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -792,7 +792,6 @@ int mmc_attach_sdio(struct mmc_host *host) */ mmc_release_host(host); err = mmc_add_card(host->card); - mmc_claim_host(host); if (err) goto remove_added; @@ -805,12 +804,12 @@ int mmc_attach_sdio(struct mmc_host *host) goto remove_added; } + mmc_claim_host(host); return 0; remove_added: /* Remove without lock if the device has been added. */ - mmc_release_host(host); mmc_sdio_remove(host); mmc_claim_host(host); remove: diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index a8c3e1c9b02..4aaa88f8ab5 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -1230,10 +1230,32 @@ static int inval_cache_and_wait_for_operation( sleep_time = chip_op_time / 2; for (;;) { + if (chip->state != chip_state) { + /* Someone's suspended the operation: sleep */ + DECLARE_WAITQUEUE(wait, current); + set_current_state(TASK_UNINTERRUPTIBLE); + add_wait_queue(&chip->wq, &wait); + mutex_unlock(&chip->mutex); + schedule(); + remove_wait_queue(&chip->wq, &wait); + mutex_lock(&chip->mutex); + continue; + } + status = map_read(map, cmd_adr); if (map_word_andequal(map, status, status_OK, status_OK)) break; + if (chip->erase_suspended && chip_state == FL_ERASING) { + /* Erase suspend occured while sleep: reset timeout */ + timeo = reset_timeo; + chip->erase_suspended = 0; + } + if (chip->write_suspended && chip_state == FL_WRITING) { + /* Write suspend occured while sleep: reset timeout */ + timeo = reset_timeo; + chip->write_suspended = 0; + } if (!timeo) { map_write(map, CMD(0x70), cmd_adr); chip->state = FL_STATUS; @@ -1257,27 +1279,6 @@ static int inval_cache_and_wait_for_operation( timeo--; } mutex_lock(&chip->mutex); - - while (chip->state != chip_state) { - /* Someone's suspended the operation: sleep */ - DECLARE_WAITQUEUE(wait, current); - set_current_state(TASK_UNINTERRUPTIBLE); - add_wait_queue(&chip->wq, &wait); - mutex_unlock(&chip->mutex); - schedule(); - remove_wait_queue(&chip->wq, &wait); - mutex_lock(&chip->mutex); - } - if (chip->erase_suspended && chip_state == FL_ERASING) { - /* Erase suspend occured while sleep: reset timeout */ - timeo = reset_timeo; - chip->erase_suspended = 0; - } - if (chip->write_suspended && chip_state == FL_WRITING) { - /* Write suspend occured while sleep: reset timeout */ - timeo = reset_timeo; - chip->write_suspended = 0; - } } /* Done and happy. */ diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c index d72a5fb2d04..4e1be51cc12 100644 --- a/drivers/mtd/chips/jedec_probe.c +++ b/drivers/mtd/chips/jedec_probe.c @@ -1935,14 +1935,14 @@ static void jedec_reset(u32 base, struct map_info *map, struct cfi_private *cfi) } -static int cfi_jedec_setup(struct cfi_private *p_cfi, int index) +static int cfi_jedec_setup(struct map_info *map, struct cfi_private *cfi, int index) { int i,num_erase_regions; uint8_t uaddr; - if (! (jedec_table[index].devtypes & p_cfi->device_type)) { + if (!(jedec_table[index].devtypes & cfi->device_type)) { DEBUG(MTD_DEBUG_LEVEL1, "Rejecting potential %s with incompatible %d-bit device type\n", - jedec_table[index].name, 4 * (1<<p_cfi->device_type)); + jedec_table[index].name, 4 * (1<<cfi->device_type)); return 0; } @@ -1950,27 +1950,28 @@ static int cfi_jedec_setup(struct cfi_private *p_cfi, int index) num_erase_regions = jedec_table[index].nr_regions; - p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL); - if (!p_cfi->cfiq) { + cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL); + if (!cfi->cfiq) { //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name); return 0; } - memset(p_cfi->cfiq,0,sizeof(struct cfi_ident)); + memset(cfi->cfiq, 0, sizeof(struct cfi_ident)); - p_cfi->cfiq->P_ID = jedec_table[index].cmd_set; - p_cfi->cfiq->NumEraseRegions = jedec_table[index].nr_regions; - p_cfi->cfiq->DevSize = jedec_table[index].dev_size; - p_cfi->cfi_mode = CFI_MODE_JEDEC; + cfi->cfiq->P_ID = jedec_table[index].cmd_set; + cfi->cfiq->NumEraseRegions = jedec_table[index].nr_regions; + cfi->cfiq->DevSize = jedec_table[index].dev_size; + cfi->cfi_mode = CFI_MODE_JEDEC; + cfi->sector_erase_cmd = CMD(0x30); for (i=0; i<num_erase_regions; i++){ - p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i]; + cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i]; } - p_cfi->cmdset_priv = NULL; + cfi->cmdset_priv = NULL; /* This may be redundant for some cases, but it doesn't hurt */ - p_cfi->mfr = jedec_table[index].mfr_id; - p_cfi->id = jedec_table[index].dev_id; + cfi->mfr = jedec_table[index].mfr_id; + cfi->id = jedec_table[index].dev_id; uaddr = jedec_table[index].uaddr; @@ -1978,8 +1979,8 @@ static int cfi_jedec_setup(struct cfi_private *p_cfi, int index) our brains explode when we see the datasheets talking about address lines numbered from A-1 to A18. The CFI table has unlock addresses in device-words according to the mode the device is connected in */ - p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1 / p_cfi->device_type; - p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2 / p_cfi->device_type; + cfi->addr_unlock1 = unlock_addrs[uaddr].addr1 / cfi->device_type; + cfi->addr_unlock2 = unlock_addrs[uaddr].addr2 / cfi->device_type; return 1; /* ok */ } @@ -2175,7 +2176,7 @@ static int jedec_probe_chip(struct map_info *map, __u32 base, "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n", __func__, cfi->mfr, cfi->id, cfi->addr_unlock1, cfi->addr_unlock2 ); - if (!cfi_jedec_setup(cfi, i)) + if (!cfi_jedec_setup(map, cfi, i)) return 0; goto ok_out; } diff --git a/drivers/mtd/maps/amd76xrom.c b/drivers/mtd/maps/amd76xrom.c index 77d64ce19e9..92de7e3a49a 100644 --- a/drivers/mtd/maps/amd76xrom.c +++ b/drivers/mtd/maps/amd76xrom.c @@ -151,6 +151,7 @@ static int __devinit amd76xrom_init_one (struct pci_dev *pdev, printk(KERN_ERR MOD_NAME " %s(): Unable to register resource %pR - kernel bug?\n", __func__, &window->rsrc); + return -EBUSY; } diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index cb20c67995d..e0a2373bf0e 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -413,7 +413,6 @@ error3: error2: list_del(&new->list); error1: - kfree(new); return ret; } diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 15682ec8530..28af71c6183 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -968,6 +968,6 @@ static void __exit omap_nand_exit(void) module_init(omap_nand_init); module_exit(omap_nand_exit); -MODULE_ALIAS(DRIVER_NAME); +MODULE_ALIAS("platform:" DRIVER_NAME); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Glue layer for NAND flash on TI OMAP boards"); diff --git a/drivers/mtd/onenand/generic.c b/drivers/mtd/onenand/generic.c index e78914938c5..ac08750748a 100644 --- a/drivers/mtd/onenand/generic.c +++ b/drivers/mtd/onenand/generic.c @@ -131,7 +131,7 @@ static struct platform_driver generic_onenand_driver = { .remove = __devexit_p(generic_onenand_remove), }; -MODULE_ALIAS(DRIVER_NAME); +MODULE_ALIAS("platform:" DRIVER_NAME); static int __init generic_onenand_init(void) { diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c index ac31f461cc1..c849cacf4b2 100644 --- a/drivers/mtd/onenand/omap2.c +++ b/drivers/mtd/onenand/omap2.c @@ -860,7 +860,7 @@ static void __exit omap2_onenand_exit(void) module_init(omap2_onenand_init); module_exit(omap2_onenand_exit); -MODULE_ALIAS(DRIVER_NAME); +MODULE_ALIAS("platform:" DRIVER_NAME); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Jarkko Lavinen <jarkko.lavinen@nokia.com>"); MODULE_DESCRIPTION("Glue layer for OneNAND flash on OMAP2 / OMAP3"); diff --git a/drivers/net/ariadne.c b/drivers/net/ariadne.c index 39214e51245..7ca0eded256 100644 --- a/drivers/net/ariadne.c +++ b/drivers/net/ariadne.c @@ -425,11 +425,6 @@ static irqreturn_t ariadne_interrupt(int irq, void *data) int csr0, boguscnt; int handled = 0; - if (dev == NULL) { - printk(KERN_WARNING "ariadne_interrupt(): irq for unknown device.\n"); - return IRQ_NONE; - } - lance->RAP = CSR0; /* PCnet-ISA Controller Status */ if (!(lance->RDP & INTR)) /* Check if any interrupt has been */ diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h index 653c62475cb..8849699c66c 100644 --- a/drivers/net/bnx2x/bnx2x.h +++ b/drivers/net/bnx2x/bnx2x.h @@ -22,7 +22,7 @@ * (you will need to reboot afterwards) */ /* #define BNX2X_STOP_ON_ERROR */ -#define DRV_MODULE_VERSION "1.62.00-5" +#define DRV_MODULE_VERSION "1.62.00-6" #define DRV_MODULE_RELDATE "2011/01/30" #define BNX2X_BC_VER 0x040200 @@ -1211,6 +1211,7 @@ struct bnx2x { /* DCBX Negotation results */ struct dcbx_features dcbx_local_feat; u32 dcbx_error; + u32 pending_max; }; /** @@ -1613,19 +1614,23 @@ static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms, #define BNX2X_BTR 4 #define MAX_SPQ_PENDING 8 - -/* CMNG constants - derived from lab experiments, and not from system spec calculations !!! */ -#define DEF_MIN_RATE 100 -/* resolution of the rate shaping timer - 100 usec */ -#define RS_PERIODIC_TIMEOUT_USEC 100 -/* resolution of fairness algorithm in usecs - - coefficient for calculating the actual t fair */ -#define T_FAIR_COEF 10000000 +/* CMNG constants, as derived from system spec calculations */ +/* default MIN rate in case VNIC min rate is configured to zero - 100Mbps */ +#define DEF_MIN_RATE 100 +/* resolution of the rate shaping timer - 400 usec */ +#define RS_PERIODIC_TIMEOUT_USEC 400 /* number of bytes in single QM arbitration cycle - - coefficient for calculating the fairness timer */ -#define QM_ARB_BYTES 40000 -#define FAIR_MEM 2 + * coefficient for calculating the fairness timer */ +#define QM_ARB_BYTES 160000 +/* resolution of Min algorithm 1:100 */ +#define MIN_RES 100 +/* how many bytes above threshold for the minimal credit of Min algorithm*/ +#define MIN_ABOVE_THRESH 32768 +/* Fairness algorithm integration time coefficient - + * for calculating the actual Tfair */ +#define T_FAIR_COEF ((MIN_ABOVE_THRESH + QM_ARB_BYTES) * 8 * MIN_RES) +/* Memory of fairness algorithm . 2 cycles */ +#define FAIR_MEM 2 #define ATTN_NIG_FOR_FUNC (1L << 8) diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c index 710ce5d04c5..a71b3294053 100644 --- a/drivers/net/bnx2x/bnx2x_cmn.c +++ b/drivers/net/bnx2x/bnx2x_cmn.c @@ -259,10 +259,44 @@ static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue, #endif } +/* Timestamp option length allowed for TPA aggregation: + * + * nop nop kind length echo val + */ +#define TPA_TSTAMP_OPT_LEN 12 +/** + * Calculate the approximate value of the MSS for this + * aggregation using the first packet of it. + * + * @param bp + * @param parsing_flags Parsing flags from the START CQE + * @param len_on_bd Total length of the first packet for the + * aggregation. + */ +static inline u16 bnx2x_set_lro_mss(struct bnx2x *bp, u16 parsing_flags, + u16 len_on_bd) +{ + /* TPA arrgregation won't have an IP options and TCP options + * other than timestamp. + */ + u16 hdrs_len = ETH_HLEN + sizeof(struct iphdr) + sizeof(struct tcphdr); + + + /* Check if there was a TCP timestamp, if there is it's will + * always be 12 bytes length: nop nop kind length echo val. + * + * Otherwise FW would close the aggregation. + */ + if (parsing_flags & PARSING_FLAGS_TIME_STAMP_EXIST_FLAG) + hdrs_len += TPA_TSTAMP_OPT_LEN; + + return len_on_bd - hdrs_len; +} + static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp, struct sk_buff *skb, struct eth_fast_path_rx_cqe *fp_cqe, - u16 cqe_idx) + u16 cqe_idx, u16 parsing_flags) { struct sw_rx_page *rx_pg, old_rx_pg; u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd); @@ -275,8 +309,8 @@ static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp, /* This is needed in order to enable forwarding support */ if (frag_size) - skb_shinfo(skb)->gso_size = min((u32)SGE_PAGE_SIZE, - max(frag_size, (u32)len_on_bd)); + skb_shinfo(skb)->gso_size = bnx2x_set_lro_mss(bp, parsing_flags, + len_on_bd); #ifdef BNX2X_STOP_ON_ERROR if (pages > min_t(u32, 8, MAX_SKB_FRAGS)*SGE_PAGE_SIZE*PAGES_PER_SGE) { @@ -344,6 +378,8 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, if (likely(new_skb)) { /* fix ip xsum and give it to the stack */ /* (no need to map the new skb) */ + u16 parsing_flags = + le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags); prefetch(skb); prefetch(((char *)(skb)) + L1_CACHE_BYTES); @@ -373,9 +409,9 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, } if (!bnx2x_fill_frag_skb(bp, fp, skb, - &cqe->fast_path_cqe, cqe_idx)) { - if ((le16_to_cpu(cqe->fast_path_cqe. - pars_flags.flags) & PARSING_FLAGS_VLAN)) + &cqe->fast_path_cqe, cqe_idx, + parsing_flags)) { + if (parsing_flags & PARSING_FLAGS_VLAN) __vlan_hwaccel_put_tag(skb, le16_to_cpu(cqe->fast_path_cqe. vlan_tag)); @@ -703,19 +739,20 @@ u16 bnx2x_get_mf_speed(struct bnx2x *bp) { u16 line_speed = bp->link_vars.line_speed; if (IS_MF(bp)) { - u16 maxCfg = (bp->mf_config[BP_VN(bp)] & - FUNC_MF_CFG_MAX_BW_MASK) >> - FUNC_MF_CFG_MAX_BW_SHIFT; - /* Calculate the current MAX line speed limit for the DCC - * capable devices + u16 maxCfg = bnx2x_extract_max_cfg(bp, + bp->mf_config[BP_VN(bp)]); + + /* Calculate the current MAX line speed limit for the MF + * devices */ - if (IS_MF_SD(bp)) { + if (IS_MF_SI(bp)) + line_speed = (line_speed * maxCfg) / 100; + else { /* SD mode */ u16 vn_max_rate = maxCfg * 100; if (vn_max_rate < line_speed) line_speed = vn_max_rate; - } else /* IS_MF_SI(bp)) */ - line_speed = (line_speed * maxCfg) / 100; + } } return line_speed; @@ -959,6 +996,23 @@ void bnx2x_free_skbs(struct bnx2x *bp) bnx2x_free_rx_skbs(bp); } +void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value) +{ + /* load old values */ + u32 mf_cfg = bp->mf_config[BP_VN(bp)]; + + if (value != bnx2x_extract_max_cfg(bp, mf_cfg)) { + /* leave all but MAX value */ + mf_cfg &= ~FUNC_MF_CFG_MAX_BW_MASK; + + /* set new MAX value */ + mf_cfg |= (value << FUNC_MF_CFG_MAX_BW_SHIFT) + & FUNC_MF_CFG_MAX_BW_MASK; + + bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW, mf_cfg); + } +} + static void bnx2x_free_msix_irqs(struct bnx2x *bp) { int i, offset = 1; @@ -1427,6 +1481,11 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) bnx2x_set_eth_mac(bp, 1); + if (bp->pending_max) { + bnx2x_update_max_mf_config(bp, bp->pending_max); + bp->pending_max = 0; + } + if (bp->port.pmf) bnx2x_initial_phy_init(bp, load_mode); diff --git a/drivers/net/bnx2x/bnx2x_cmn.h b/drivers/net/bnx2x/bnx2x_cmn.h index 03eb4d68e6b..85ea7f26b51 100644 --- a/drivers/net/bnx2x/bnx2x_cmn.h +++ b/drivers/net/bnx2x/bnx2x_cmn.h @@ -341,6 +341,15 @@ void bnx2x_dcbx_init(struct bnx2x *bp); */ int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state); +/** + * Updates MAX part of MF configuration in HW + * (if required) + * + * @param bp + * @param value + */ +void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value); + /* dev_close main block */ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode); @@ -1044,4 +1053,24 @@ static inline void storm_memset_cmng(struct bnx2x *bp, void bnx2x_acquire_phy_lock(struct bnx2x *bp); void bnx2x_release_phy_lock(struct bnx2x *bp); +/** + * Extracts MAX BW part from MF configuration. + * + * @param bp + * @param mf_cfg + * + * @return u16 + */ +static inline u16 bnx2x_extract_max_cfg(struct bnx2x *bp, u32 mf_cfg) +{ + u16 max_cfg = (mf_cfg & FUNC_MF_CFG_MAX_BW_MASK) >> + FUNC_MF_CFG_MAX_BW_SHIFT; + if (!max_cfg) { + BNX2X_ERR("Illegal configuration detected for Max BW - " + "using 100 instead\n"); + max_cfg = 100; + } + return max_cfg; +} + #endif /* BNX2X_CMN_H */ diff --git a/drivers/net/bnx2x/bnx2x_ethtool.c b/drivers/net/bnx2x/bnx2x_ethtool.c index 5b44a8b4850..7e92f9d0dcf 100644 --- a/drivers/net/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/bnx2x/bnx2x_ethtool.c @@ -238,7 +238,7 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) speed |= (cmd->speed_hi << 16); if (IS_MF_SI(bp)) { - u32 param = 0; + u32 part; u32 line_speed = bp->link_vars.line_speed; /* use 10G if no link detected */ @@ -251,23 +251,22 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) REQ_BC_VER_4_SET_MF_BW); return -EINVAL; } - if (line_speed < speed) { - BNX2X_DEV_INFO("New speed should be less or equal " - "to actual line speed\n"); + + part = (speed * 100) / line_speed; + + if (line_speed < speed || !part) { + BNX2X_DEV_INFO("Speed setting should be in a range " + "from 1%% to 100%% " + "of actual line speed\n"); return -EINVAL; } - /* load old values */ - param = bp->mf_config[BP_VN(bp)]; - - /* leave only MIN value */ - param &= FUNC_MF_CFG_MIN_BW_MASK; - /* set new MAX value */ - param |= (((speed * 100) / line_speed) - << FUNC_MF_CFG_MAX_BW_SHIFT) - & FUNC_MF_CFG_MAX_BW_MASK; + if (bp->state != BNX2X_STATE_OPEN) + /* store value for following "load" */ + bp->pending_max = part; + else + bnx2x_update_max_mf_config(bp, part); - bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW, param); return 0; } @@ -1781,9 +1780,7 @@ static int bnx2x_test_nvram(struct bnx2x *bp) { 0x100, 0x350 }, /* manuf_info */ { 0x450, 0xf0 }, /* feature_info */ { 0x640, 0x64 }, /* upgrade_key_info */ - { 0x6a4, 0x64 }, { 0x708, 0x70 }, /* manuf_key_info */ - { 0x778, 0x70 }, { 0, 0 } }; __be32 buf[0x350 / 4]; @@ -1933,11 +1930,11 @@ static void bnx2x_self_test(struct net_device *dev, buf[4] = 1; etest->flags |= ETH_TEST_FL_FAILED; } - if (bp->port.pmf) - if (bnx2x_link_test(bp, is_serdes) != 0) { - buf[5] = 1; - etest->flags |= ETH_TEST_FL_FAILED; - } + + if (bnx2x_link_test(bp, is_serdes) != 0) { + buf[5] = 1; + etest->flags |= ETH_TEST_FL_FAILED; + } #ifdef BNX2X_EXTRA_DEBUG bnx2x_panic_dump(bp); diff --git a/drivers/net/bnx2x/bnx2x_init.h b/drivers/net/bnx2x/bnx2x_init.h index 5a268e9a089..fa6dbe3f205 100644 --- a/drivers/net/bnx2x/bnx2x_init.h +++ b/drivers/net/bnx2x/bnx2x_init.h @@ -241,7 +241,7 @@ static const struct { /* Block IGU, MISC, PXP and PXP2 parity errors as long as we don't * want to handle "system kill" flow at the moment. */ - BLOCK_PRTY_INFO(PXP, 0x3ffffff, 0x3ffffff, 0x3ffffff, 0x3ffffff), + BLOCK_PRTY_INFO(PXP, 0x7ffffff, 0x3ffffff, 0x3ffffff, 0x7ffffff), BLOCK_PRTY_INFO_0(PXP2, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff), BLOCK_PRTY_INFO_1(PXP2, 0x7ff, 0x7f, 0x7f, 0x7ff), BLOCK_PRTY_INFO(HC, 0x7, 0x7, 0x7, 0), diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c index d584d32c747..aa032339e32 100644 --- a/drivers/net/bnx2x/bnx2x_main.c +++ b/drivers/net/bnx2x/bnx2x_main.c @@ -1974,13 +1974,22 @@ static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn) vn_max_rate = 0; } else { + u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg); + vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >> FUNC_MF_CFG_MIN_BW_SHIFT) * 100; - /* If min rate is zero - set it to 1 */ + /* If fairness is enabled (not all min rates are zeroes) and + if current min rate is zero - set it to 1. + This is a requirement of the algorithm. */ if (bp->vn_weight_sum && (vn_min_rate == 0)) vn_min_rate = DEF_MIN_RATE; - vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >> - FUNC_MF_CFG_MAX_BW_SHIFT) * 100; + + if (IS_MF_SI(bp)) + /* maxCfg in percents of linkspeed */ + vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100; + else + /* maxCfg is absolute in 100Mb units */ + vn_max_rate = maxCfg * 100; } DP(NETIF_MSG_IFUP, @@ -2006,7 +2015,8 @@ static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn) m_fair_vn.vn_credit_delta = max_t(u32, (vn_min_rate * (T_FAIR_COEF / (8 * bp->vn_weight_sum))), - (bp->cmng.fair_vars.fair_threshold * 2)); + (bp->cmng.fair_vars.fair_threshold + + MIN_ABOVE_THRESH)); DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n", m_fair_vn.vn_credit_delta); } @@ -2082,8 +2092,9 @@ static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type) bnx2x_calc_vn_weight_sum(bp); /* calculate and set min-max rate for each vn */ - for (vn = VN_0; vn < E1HVN_MAX; vn++) - bnx2x_init_vn_minmax(bp, vn); + if (bp->port.pmf) + for (vn = VN_0; vn < E1HVN_MAX; vn++) + bnx2x_init_vn_minmax(bp, vn); /* always enable rate shaping and fairness */ bp->cmng.flags.cmng_enables |= @@ -2152,13 +2163,6 @@ static void bnx2x_link_attn(struct bnx2x *bp) bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP); } - /* indicate link status only if link status actually changed */ - if (prev_link_status != bp->link_vars.link_status) - bnx2x_link_report(bp); - - if (IS_MF(bp)) - bnx2x_link_sync_notify(bp); - if (bp->link_vars.link_up && bp->link_vars.line_speed) { int cmng_fns = bnx2x_get_cmng_fns_mode(bp); @@ -2170,6 +2174,13 @@ static void bnx2x_link_attn(struct bnx2x *bp) DP(NETIF_MSG_IFUP, "single function mode without fairness\n"); } + + if (IS_MF(bp)) + bnx2x_link_sync_notify(bp); + + /* indicate link status only if link status actually changed */ + if (prev_link_status != bp->link_vars.link_status) + bnx2x_link_report(bp); } void bnx2x__link_status_update(struct bnx2x *bp) diff --git a/drivers/net/bnx2x/bnx2x_stats.c b/drivers/net/bnx2x/bnx2x_stats.c index bda60d590fa..3445ded6674 100644 --- a/drivers/net/bnx2x/bnx2x_stats.c +++ b/drivers/net/bnx2x/bnx2x_stats.c @@ -1239,14 +1239,14 @@ void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event) if (unlikely(bp->panic)) return; + bnx2x_stats_stm[bp->stats_state][event].action(bp); + /* Protect a state change flow */ spin_lock_bh(&bp->stats_lock); state = bp->stats_state; bp->stats_state = bnx2x_stats_stm[state][event].next_state; spin_unlock_bh(&bp->stats_lock); - bnx2x_stats_stm[state][event].action(bp); - if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp)) DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n", state, event, bp->stats_state); diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index 1024ae15822..a5d5d0b5b15 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -281,23 +281,23 @@ static inline int __check_agg_selection_timer(struct port *port) } /** - * __get_rx_machine_lock - lock the port's RX machine + * __get_state_machine_lock - lock the port's state machines * @port: the port we're looking at * */ -static inline void __get_rx_machine_lock(struct port *port) +static inline void __get_state_machine_lock(struct port *port) { - spin_lock_bh(&(SLAVE_AD_INFO(port->slave).rx_machine_lock)); + spin_lock_bh(&(SLAVE_AD_INFO(port->slave).state_machine_lock)); } /** - * __release_rx_machine_lock - unlock the port's RX machine + * __release_state_machine_lock - unlock the port's state machines * @port: the port we're looking at * */ -static inline void __release_rx_machine_lock(struct port *port) +static inline void __release_state_machine_lock(struct port *port) { - spin_unlock_bh(&(SLAVE_AD_INFO(port->slave).rx_machine_lock)); + spin_unlock_bh(&(SLAVE_AD_INFO(port->slave).state_machine_lock)); } /** @@ -388,14 +388,14 @@ static u8 __get_duplex(struct port *port) } /** - * __initialize_port_locks - initialize a port's RX machine spinlock + * __initialize_port_locks - initialize a port's STATE machine spinlock * @port: the port we're looking at * */ static inline void __initialize_port_locks(struct port *port) { // make sure it isn't called twice - spin_lock_init(&(SLAVE_AD_INFO(port->slave).rx_machine_lock)); + spin_lock_init(&(SLAVE_AD_INFO(port->slave).state_machine_lock)); } //conversions @@ -1025,9 +1025,6 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port) { rx_states_t last_state; - // Lock to prevent 2 instances of this function to run simultaneously(rx interrupt and periodic machine callback) - __get_rx_machine_lock(port); - // keep current State Machine state to compare later if it was changed last_state = port->sm_rx_state; @@ -1133,7 +1130,6 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port) pr_err("%s: An illegal loopback occurred on adapter (%s).\n" "Check the configuration to verify that all adapters are connected to 802.3ad compliant switch ports\n", port->slave->dev->master->name, port->slave->dev->name); - __release_rx_machine_lock(port); return; } __update_selected(lacpdu, port); @@ -1153,7 +1149,6 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port) break; } } - __release_rx_machine_lock(port); } /** @@ -2155,6 +2150,12 @@ void bond_3ad_state_machine_handler(struct work_struct *work) goto re_arm; } + /* Lock around state machines to protect data accessed + * by all (e.g., port->sm_vars). ad_rx_machine may run + * concurrently due to incoming LACPDU. + */ + __get_state_machine_lock(port); + ad_rx_machine(NULL, port); ad_periodic_machine(port); ad_port_selection_logic(port); @@ -2164,6 +2165,8 @@ void bond_3ad_state_machine_handler(struct work_struct *work) // turn off the BEGIN bit, since we already handled it if (port->sm_vars & AD_PORT_BEGIN) port->sm_vars &= ~AD_PORT_BEGIN; + + __release_state_machine_lock(port); } re_arm: @@ -2200,7 +2203,10 @@ static void bond_3ad_rx_indication(struct lacpdu *lacpdu, struct slave *slave, u case AD_TYPE_LACPDU: pr_debug("Received LACPDU on port %d\n", port->actor_port_number); + /* Protect against concurrent state machines */ + __get_state_machine_lock(port); ad_rx_machine(lacpdu, port); + __release_state_machine_lock(port); break; case AD_TYPE_MARKER: diff --git a/drivers/net/bonding/bond_3ad.h b/drivers/net/bonding/bond_3ad.h index 2c46a154f2c..b28baff7086 100644 --- a/drivers/net/bonding/bond_3ad.h +++ b/drivers/net/bonding/bond_3ad.h @@ -264,7 +264,8 @@ struct ad_bond_info { struct ad_slave_info { struct aggregator aggregator; // 802.3ad aggregator structure struct port port; // 802.3ad port structure - spinlock_t rx_machine_lock; // To avoid race condition between callback and receive interrupt + spinlock_t state_machine_lock; /* mutex state machines vs. + incoming LACPDU */ u16 id; }; diff --git a/drivers/net/can/softing/softing_main.c b/drivers/net/can/softing/softing_main.c index 5157e15e96e..aeea9f9ff6e 100644 --- a/drivers/net/can/softing/softing_main.c +++ b/drivers/net/can/softing/softing_main.c @@ -633,6 +633,7 @@ static const struct net_device_ops softing_netdev_ops = { }; static const struct can_bittiming_const softing_btr_const = { + .name = "softing", .tseg1_min = 1, .tseg1_max = 16, .tseg2_min = 1, diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c index 7ff170cbc7d..302be4aa69d 100644 --- a/drivers/net/cnic.c +++ b/drivers/net/cnic.c @@ -2760,6 +2760,8 @@ static u32 cnic_service_bnx2_queues(struct cnic_dev *dev) u32 status_idx = (u16) *cp->kcq1.status_idx_ptr; int kcqe_cnt; + /* status block index must be read before reading other fields */ + rmb(); cp->kwq_con_idx = *cp->kwq_con_idx_ptr; while ((kcqe_cnt = cnic_get_kcqes(dev, &cp->kcq1))) { @@ -2770,6 +2772,8 @@ static u32 cnic_service_bnx2_queues(struct cnic_dev *dev) barrier(); if (status_idx != *cp->kcq1.status_idx_ptr) { status_idx = (u16) *cp->kcq1.status_idx_ptr; + /* status block index must be read first */ + rmb(); cp->kwq_con_idx = *cp->kwq_con_idx_ptr; } else break; @@ -2888,6 +2892,8 @@ static u32 cnic_service_bnx2x_kcq(struct cnic_dev *dev, struct kcq_info *info) u32 last_status = *info->status_idx_ptr; int kcqe_cnt; + /* status block index must be read before reading the KCQ */ + rmb(); while ((kcqe_cnt = cnic_get_kcqes(dev, info))) { service_kcqes(dev, kcqe_cnt); @@ -2898,6 +2904,8 @@ static u32 cnic_service_bnx2x_kcq(struct cnic_dev *dev, struct kcq_info *info) break; last_status = *info->status_idx_ptr; + /* status block index must be read before reading the KCQ */ + rmb(); } return last_status; } @@ -2906,26 +2914,35 @@ static void cnic_service_bnx2x_bh(unsigned long data) { struct cnic_dev *dev = (struct cnic_dev *) data; struct cnic_local *cp = dev->cnic_priv; - u32 status_idx; + u32 status_idx, new_status_idx; if (unlikely(!test_bit(CNIC_F_CNIC_UP, &dev->flags))) return; - status_idx = cnic_service_bnx2x_kcq(dev, &cp->kcq1); + while (1) { + status_idx = cnic_service_bnx2x_kcq(dev, &cp->kcq1); - CNIC_WR16(dev, cp->kcq1.io_addr, cp->kcq1.sw_prod_idx + MAX_KCQ_IDX); + CNIC_WR16(dev, cp->kcq1.io_addr, + cp->kcq1.sw_prod_idx + MAX_KCQ_IDX); - if (BNX2X_CHIP_IS_E2(cp->chip_id)) { - status_idx = cnic_service_bnx2x_kcq(dev, &cp->kcq2); + if (!BNX2X_CHIP_IS_E2(cp->chip_id)) { + cnic_ack_bnx2x_int(dev, cp->bnx2x_igu_sb_id, USTORM_ID, + status_idx, IGU_INT_ENABLE, 1); + break; + } + + new_status_idx = cnic_service_bnx2x_kcq(dev, &cp->kcq2); + + if (new_status_idx != status_idx) + continue; CNIC_WR16(dev, cp->kcq2.io_addr, cp->kcq2.sw_prod_idx + MAX_KCQ_IDX); cnic_ack_igu_sb(dev, cp->bnx2x_igu_sb_id, IGU_SEG_ACCESS_DEF, status_idx, IGU_INT_ENABLE, 1); - } else { - cnic_ack_bnx2x_int(dev, cp->bnx2x_igu_sb_id, USTORM_ID, - status_idx, IGU_INT_ENABLE, 1); + + break; } } diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c index 2a628d17d17..7018bfe408a 100644 --- a/drivers/net/davinci_emac.c +++ b/drivers/net/davinci_emac.c @@ -1008,7 +1008,7 @@ static void emac_rx_handler(void *token, int len, int status) int ret; /* free and bail if we are shutting down */ - if (unlikely(!netif_running(ndev))) { + if (unlikely(!netif_running(ndev) || !netif_carrier_ok(ndev))) { dev_kfree_skb_any(skb); return; } diff --git a/drivers/net/dnet.c b/drivers/net/dnet.c index 9d8a20b72fa..8318ea06cb6 100644 --- a/drivers/net/dnet.c +++ b/drivers/net/dnet.c @@ -337,8 +337,6 @@ static int dnet_mii_init(struct dnet *bp) for (i = 0; i < PHY_MAX_ADDR; i++) bp->mii_bus->irq[i] = PHY_POLL; - platform_set_drvdata(bp->dev, bp->mii_bus); - if (mdiobus_register(bp->mii_bus)) { err = -ENXIO; goto err_out_free_mdio_irq; @@ -863,6 +861,7 @@ static int __devinit dnet_probe(struct platform_device *pdev) bp = netdev_priv(dev); bp->dev = dev; + platform_set_drvdata(pdev, dev); SET_NETDEV_DEV(dev, &pdev->dev); spin_lock_init(&bp->lock); diff --git a/drivers/net/e1000/e1000_osdep.h b/drivers/net/e1000/e1000_osdep.h index 55c1711f168..33e7c45a4fe 100644 --- a/drivers/net/e1000/e1000_osdep.h +++ b/drivers/net/e1000/e1000_osdep.h @@ -42,7 +42,8 @@ #define GBE_CONFIG_RAM_BASE \ ((unsigned int)(CONFIG_RAM_BASE + GBE_CONFIG_OFFSET)) -#define GBE_CONFIG_BASE_VIRT phys_to_virt(GBE_CONFIG_RAM_BASE) +#define GBE_CONFIG_BASE_VIRT \ + ((void __iomem *)phys_to_virt(GBE_CONFIG_RAM_BASE)) #define GBE_CONFIG_FLASH_WRITE(base, offset, count, data) \ (iowrite16_rep(base + offset, data, count)) diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 3fa110ddb04..2e5022849f1 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -5967,7 +5967,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev, /* APME bit in EEPROM is mapped to WUC.APME */ eeprom_data = er32(WUC); eeprom_apme_mask = E1000_WUC_APME; - if (eeprom_data & E1000_WUC_PHY_WAKE) + if ((hw->mac.type > e1000_ich10lan) && + (eeprom_data & E1000_WUC_PHY_WAKE)) adapter->flags2 |= FLAG2_HAS_PHY_WAKEUP; } else if (adapter->flags & FLAG_APME_IN_CTRL3) { if (adapter->flags & FLAG_APME_CHECK_PORT_B && diff --git a/drivers/net/fec.c b/drivers/net/fec.c index 2a71373719a..cd0282d5d40 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -74,7 +74,8 @@ static struct platform_device_id fec_devtype[] = { }, { .name = "imx28-fec", .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME, - } + }, + { } }; static unsigned char macaddr[ETH_ALEN]; diff --git a/drivers/net/igbvf/vf.c b/drivers/net/igbvf/vf.c index 74486a8b009..af3822f9ea9 100644 --- a/drivers/net/igbvf/vf.c +++ b/drivers/net/igbvf/vf.c @@ -220,7 +220,7 @@ static u32 e1000_hash_mc_addr_vf(struct e1000_hw *hw, u8 *mc_addr) * The parameter rar_count will usually be hw->mac.rar_entry_count * unless there are workarounds that change this. **/ -void e1000_update_mc_addr_list_vf(struct e1000_hw *hw, +static void e1000_update_mc_addr_list_vf(struct e1000_hw *hw, u8 *mc_addr_list, u32 mc_addr_count, u32 rar_used_count, u32 rar_count) { diff --git a/drivers/net/macb.c b/drivers/net/macb.c index f69e73e2191..79ccb54ab00 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -260,7 +260,7 @@ static int macb_mii_init(struct macb *bp) for (i = 0; i < PHY_MAX_ADDR; i++) bp->mii_bus->irq[i] = PHY_POLL; - platform_set_drvdata(bp->dev, bp->mii_bus); + dev_set_drvdata(&bp->dev->dev, bp->mii_bus); if (mdiobus_register(bp->mii_bus)) goto err_out_free_mdio_irq; diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index 5933621ac3f..fc27a9926d9 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -528,8 +528,9 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, vnet_hdr_len = q->vnet_hdr_sz; err = -EINVAL; - if ((len -= vnet_hdr_len) < 0) + if (len < vnet_hdr_len) goto err; + len -= vnet_hdr_len; err = memcpy_fromiovecend((void *)&vnet_hdr, iv, 0, sizeof(vnet_hdr)); diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c index 9226cda4d05..530ab5a10bd 100644 --- a/drivers/net/pcmcia/fmvj18x_cs.c +++ b/drivers/net/pcmcia/fmvj18x_cs.c @@ -691,6 +691,7 @@ static struct pcmcia_device_id fmvj18x_ids[] = { PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0105, 0x0e0a), PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0e01), PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0a05), + PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x0b05), PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x0032, 0x1101), PCMCIA_DEVICE_NULL, }; diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c index 27e6f6d43ca..e3ebd90ae65 100644 --- a/drivers/net/r6040.c +++ b/drivers/net/r6040.c @@ -49,8 +49,8 @@ #include <asm/processor.h> #define DRV_NAME "r6040" -#define DRV_VERSION "0.26" -#define DRV_RELDATE "30May2010" +#define DRV_VERSION "0.27" +#define DRV_RELDATE "23Feb2011" /* PHY CHIP Address */ #define PHY1_ADDR 1 /* For MAC1 */ @@ -69,6 +69,8 @@ /* MAC registers */ #define MCR0 0x00 /* Control register 0 */ +#define MCR0_PROMISC 0x0020 /* Promiscuous mode */ +#define MCR0_HASH_EN 0x0100 /* Enable multicast hash table function */ #define MCR1 0x04 /* Control register 1 */ #define MAC_RST 0x0001 /* Reset the MAC */ #define MBCR 0x08 /* Bus control */ @@ -851,77 +853,92 @@ static void r6040_multicast_list(struct net_device *dev) { struct r6040_private *lp = netdev_priv(dev); void __iomem *ioaddr = lp->base; - u16 *adrp; - u16 reg; unsigned long flags; struct netdev_hw_addr *ha; int i; + u16 *adrp; + u16 hash_table[4] = { 0 }; + + spin_lock_irqsave(&lp->lock, flags); - /* MAC Address */ + /* Keep our MAC Address */ adrp = (u16 *)dev->dev_addr; iowrite16(adrp[0], ioaddr + MID_0L); iowrite16(adrp[1], ioaddr + MID_0M); iowrite16(adrp[2], ioaddr + MID_0H); - /* Promiscous Mode */ - spin_lock_irqsave(&lp->lock, flags); - /* Clear AMCP & PROM bits */ - reg = ioread16(ioaddr) & ~0x0120; - if (dev->flags & IFF_PROMISC) { - reg |= 0x0020; - lp->mcr0 |= 0x0020; - } - /* Too many multicast addresses - * accept all traffic */ - else if ((netdev_mc_count(dev) > MCAST_MAX) || - (dev->flags & IFF_ALLMULTI)) - reg |= 0x0020; + lp->mcr0 = ioread16(ioaddr + MCR0) & ~(MCR0_PROMISC | MCR0_HASH_EN); - iowrite16(reg, ioaddr); - spin_unlock_irqrestore(&lp->lock, flags); + /* Promiscuous mode */ + if (dev->flags & IFF_PROMISC) + lp->mcr0 |= MCR0_PROMISC; - /* Build the hash table */ - if (netdev_mc_count(dev) > MCAST_MAX) { - u16 hash_table[4]; - u32 crc; + /* Enable multicast hash table function to + * receive all multicast packets. */ + else if (dev->flags & IFF_ALLMULTI) { + lp->mcr0 |= MCR0_HASH_EN; - for (i = 0; i < 4; i++) - hash_table[i] = 0; + for (i = 0; i < MCAST_MAX ; i++) { + iowrite16(0, ioaddr + MID_1L + 8 * i); + iowrite16(0, ioaddr + MID_1M + 8 * i); + iowrite16(0, ioaddr + MID_1H + 8 * i); + } + for (i = 0; i < 4; i++) + hash_table[i] = 0xffff; + } + /* Use internal multicast address registers if the number of + * multicast addresses is not greater than MCAST_MAX. */ + else if (netdev_mc_count(dev) <= MCAST_MAX) { + i = 0; netdev_for_each_mc_addr(ha, dev) { - char *addrs = ha->addr; + u16 *adrp = (u16 *) ha->addr; + iowrite16(adrp[0], ioaddr + MID_1L + 8 * i); + iowrite16(adrp[1], ioaddr + MID_1M + 8 * i); + iowrite16(adrp[2], ioaddr + MID_1H + 8 * i); + i++; + } + while (i < MCAST_MAX) { + iowrite16(0, ioaddr + MID_1L + 8 * i); + iowrite16(0, ioaddr + MID_1M + 8 * i); + iowrite16(0, ioaddr + MID_1H + 8 * i); + i++; + } + } + /* Otherwise, Enable multicast hash table function. */ + else { + u32 crc; - if (!(*addrs & 1)) - continue; + lp->mcr0 |= MCR0_HASH_EN; + + for (i = 0; i < MCAST_MAX ; i++) { + iowrite16(0, ioaddr + MID_1L + 8 * i); + iowrite16(0, ioaddr + MID_1M + 8 * i); + iowrite16(0, ioaddr + MID_1H + 8 * i); + } - crc = ether_crc_le(6, addrs); + /* Build multicast hash table */ + netdev_for_each_mc_addr(ha, dev) { + u8 *addrs = ha->addr; + + crc = ether_crc(ETH_ALEN, addrs); crc >>= 26; - hash_table[crc >> 4] |= 1 << (15 - (crc & 0xf)); + hash_table[crc >> 4] |= 1 << (crc & 0xf); } - /* Fill the MAC hash tables with their values */ + } + + iowrite16(lp->mcr0, ioaddr + MCR0); + + /* Fill the MAC hash tables with their values */ + if (lp->mcr0 && MCR0_HASH_EN) { iowrite16(hash_table[0], ioaddr + MAR0); iowrite16(hash_table[1], ioaddr + MAR1); iowrite16(hash_table[2], ioaddr + MAR2); iowrite16(hash_table[3], ioaddr + MAR3); } - /* Multicast Address 1~4 case */ - i = 0; - netdev_for_each_mc_addr(ha, dev) { - if (i >= MCAST_MAX) - break; - adrp = (u16 *) ha->addr; - iowrite16(adrp[0], ioaddr + MID_1L + 8 * i); - iowrite16(adrp[1], ioaddr + MID_1M + 8 * i); - iowrite16(adrp[2], ioaddr + MID_1H + 8 * i); - i++; - } - while (i < MCAST_MAX) { - iowrite16(0xffff, ioaddr + MID_1L + 8 * i); - iowrite16(0xffff, ioaddr + MID_1M + 8 * i); - iowrite16(0xffff, ioaddr + MID_1H + 8 * i); - i++; - } + + spin_unlock_irqrestore(&lp->lock, flags); } static void netdev_get_drvinfo(struct net_device *dev, diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index ef2133b16f8..7ffdb80adf4 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -25,6 +25,7 @@ #include <linux/dma-mapping.h> #include <linux/pm_runtime.h> #include <linux/firmware.h> +#include <linux/pci-aspm.h> #include <asm/system.h> #include <asm/io.h> @@ -3020,6 +3021,11 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) mii->reg_num_mask = 0x1f; mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII); + /* disable ASPM completely as that cause random device stop working + * problems as well as full system hangs for some PCIe devices users */ + pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | + PCIE_LINK_STATE_CLKPM); + /* enable device (incl. PCI PM wakeup and hotplug setup) */ rc = pci_enable_device(pdev); if (rc < 0) { diff --git a/drivers/net/skge.c b/drivers/net/skge.c index 42daf98ba73..35b28f42d20 100644 --- a/drivers/net/skge.c +++ b/drivers/net/skge.c @@ -3856,9 +3856,6 @@ static struct net_device *skge_devinit(struct skge_hw *hw, int port, memcpy_fromio(dev->dev_addr, hw->regs + B2_MAC_1 + port*8, ETH_ALEN); memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); - /* device is off until link detection */ - netif_carrier_off(dev); - return dev; } diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c index 64bfdae5956..d70bde95460 100644 --- a/drivers/net/smsc911x.c +++ b/drivers/net/smsc911x.c @@ -1178,6 +1178,11 @@ static int smsc911x_open(struct net_device *dev) smsc911x_reg_write(pdata, HW_CFG, 0x00050000); smsc911x_reg_write(pdata, AFC_CFG, 0x006E3740); + /* Increase the legal frame size of VLAN tagged frames to 1522 bytes */ + spin_lock_irq(&pdata->mac_lock); + smsc911x_mac_write(pdata, VLAN1, ETH_P_8021Q); + spin_unlock_irq(&pdata->mac_lock); + /* Make sure EEPROM has finished loading before setting GPIO_CFG */ timeout = 50; while ((smsc911x_reg_read(pdata, E2P_CMD) & E2P_CMD_EPC_BUSY_) && diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 5ab3084eb9c..07b1633b7f3 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -219,8 +219,9 @@ static int __hif_usb_tx(struct hif_device_usb *hif_dev) struct tx_buf *tx_buf = NULL; struct sk_buff *nskb = NULL; int ret = 0, i; - u16 *hdr, tx_skb_cnt = 0; + u16 tx_skb_cnt = 0; u8 *buf; + __le16 *hdr; if (hif_dev->tx.tx_skb_cnt == 0) return 0; @@ -245,9 +246,9 @@ static int __hif_usb_tx(struct hif_device_usb *hif_dev) buf = tx_buf->buf; buf += tx_buf->offset; - hdr = (u16 *)buf; - *hdr++ = nskb->len; - *hdr++ = ATH_USB_TX_STREAM_MODE_TAG; + hdr = (__le16 *)buf; + *hdr++ = cpu_to_le16(nskb->len); + *hdr++ = cpu_to_le16(ATH_USB_TX_STREAM_MODE_TAG); buf += 4; memcpy(buf, nskb->data, nskb->len); tx_buf->len = nskb->len + 4; diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c index 180170d3ce2..2915b11edef 100644 --- a/drivers/net/wireless/ath/ath9k/mac.c +++ b/drivers/net/wireless/ath/ath9k/mac.c @@ -885,7 +885,7 @@ void ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints) struct ath_common *common = ath9k_hw_common(ah); if (!(ints & ATH9K_INT_GLOBAL)) - ath9k_hw_enable_interrupts(ah); + ath9k_hw_disable_interrupts(ah); ath_dbg(common, ATH_DBG_INTERRUPT, "0x%x => 0x%x\n", omask, ints); @@ -963,7 +963,8 @@ void ath9k_hw_set_interrupts(struct ath_hw *ah, enum ath9k_int ints) REG_CLR_BIT(ah, AR_IMR_S5, AR_IMR_S5_TIM_TIMER); } - ath9k_hw_enable_interrupts(ah); + if (ints & ATH9K_INT_GLOBAL) + ath9k_hw_enable_interrupts(ah); return; } diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c index 537732e5964..f82c400be28 100644 --- a/drivers/net/wireless/ath/carl9170/usb.c +++ b/drivers/net/wireless/ath/carl9170/usb.c @@ -118,6 +118,8 @@ static struct usb_device_id carl9170_usb_ids[] = { { USB_DEVICE(0x057c, 0x8402) }, /* Qwest/Actiontec 802AIN Wireless N USB Network Adapter */ { USB_DEVICE(0x1668, 0x1200) }, + /* Airlive X.USB a/b/g/n */ + { USB_DEVICE(0x1b75, 0x9170) }, /* terminate */ {} diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index 79ab0a6b138..537fb8c84e3 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -51,7 +51,7 @@ #include "iwl-agn-debugfs.h" /* Highest firmware API version supported */ -#define IWL5000_UCODE_API_MAX 2 +#define IWL5000_UCODE_API_MAX 5 #define IWL5150_UCODE_API_MAX 2 /* Lowest firmware API version supported */ diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index 21713a7638c..9b344a921e7 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -98,6 +98,7 @@ static struct usb_device_id p54u_table[] __devinitdata = { {USB_DEVICE(0x1413, 0x5400)}, /* Telsey 802.11g USB2.0 Adapter */ {USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */ {USB_DEVICE(0x1668, 0x1050)}, /* Actiontec 802UIG-1 */ + {USB_DEVICE(0x1740, 0x1000)}, /* Senao NUB-350 */ {USB_DEVICE(0x2001, 0x3704)}, /* DLink DWL-G122 rev A2 */ {USB_DEVICE(0x2001, 0x3705)}, /* D-Link DWL-G120 rev C1 */ {USB_DEVICE(0x413c, 0x5513)}, /* Dell WLA3310 USB Wireless Adapter */ diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index 848cc2cce24..518542b4bf9 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -2597,6 +2597,9 @@ static int rndis_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, __le32 mode; int ret; + if (priv->device_type != RNDIS_BCM4320B) + return -ENOTSUPP; + netdev_dbg(usbdev->net, "%s(): %s, %d\n", __func__, enabled ? "enabled" : "disabled", timeout); diff --git a/drivers/of/pdt.c b/drivers/of/pdt.c index 28295d0a50f..4d87b5dc928 100644 --- a/drivers/of/pdt.c +++ b/drivers/of/pdt.c @@ -36,19 +36,55 @@ unsigned int of_pdt_unique_id __initdata; (p)->unique_id = of_pdt_unique_id++; \ } while (0) -static inline const char *of_pdt_node_name(struct device_node *dp) +static char * __init of_pdt_build_full_name(struct device_node *dp) { - return dp->path_component_name; + int len, ourlen, plen; + char *n; + + dp->path_component_name = build_path_component(dp); + + plen = strlen(dp->parent->full_name); + ourlen = strlen(dp->path_component_name); + len = ourlen + plen + 2; + + n = prom_early_alloc(len); + strcpy(n, dp->parent->full_name); + if (!of_node_is_root(dp->parent)) { + strcpy(n + plen, "/"); + plen++; + } + strcpy(n + plen, dp->path_component_name); + + return n; } -#else +#else /* CONFIG_SPARC */ static inline void of_pdt_incr_unique_id(void *p) { } static inline void irq_trans_init(struct device_node *dp) { } -static inline const char *of_pdt_node_name(struct device_node *dp) +static char * __init of_pdt_build_full_name(struct device_node *dp) { - return dp->name; + static int failsafe_id = 0; /* for generating unique names on failure */ + char *buf; + int len; + + if (of_pdt_prom_ops->pkg2path(dp->phandle, NULL, 0, &len)) + goto failsafe; + + buf = prom_early_alloc(len + 1); + if (of_pdt_prom_ops->pkg2path(dp->phandle, buf, len, &len)) + goto failsafe; + return buf; + + failsafe: + buf = prom_early_alloc(strlen(dp->parent->full_name) + + strlen(dp->name) + 16); + sprintf(buf, "%s/%s@unknown%i", + of_node_is_root(dp->parent) ? "" : dp->parent->full_name, + dp->name, failsafe_id++); + pr_err("%s: pkg2path failed; assigning %s\n", __func__, buf); + return buf; } #endif /* !CONFIG_SPARC */ @@ -132,47 +168,6 @@ static char * __init of_pdt_get_one_property(phandle node, const char *name) return buf; } -static char * __init of_pdt_try_pkg2path(phandle node) -{ - char *res, *buf = NULL; - int len; - - if (!of_pdt_prom_ops->pkg2path) - return NULL; - - if (of_pdt_prom_ops->pkg2path(node, buf, 0, &len)) - return NULL; - buf = prom_early_alloc(len + 1); - if (of_pdt_prom_ops->pkg2path(node, buf, len, &len)) { - pr_err("%s: package-to-path failed\n", __func__); - return NULL; - } - - res = strrchr(buf, '/'); - if (!res) { - pr_err("%s: couldn't find / in %s\n", __func__, buf); - return NULL; - } - return res+1; -} - -/* - * When fetching the node's name, first try using package-to-path; if - * that fails (either because the arch hasn't supplied a PROM callback, - * or some other random failure), fall back to just looking at the node's - * 'name' property. - */ -static char * __init of_pdt_build_name(phandle node) -{ - char *buf; - - buf = of_pdt_try_pkg2path(node); - if (!buf) - buf = of_pdt_get_one_property(node, "name"); - - return buf; -} - static struct device_node * __init of_pdt_create_node(phandle node, struct device_node *parent) { @@ -187,7 +182,7 @@ static struct device_node * __init of_pdt_create_node(phandle node, kref_init(&dp->kref); - dp->name = of_pdt_build_name(node); + dp->name = of_pdt_get_one_property(node, "name"); dp->type = of_pdt_get_one_property(node, "device_type"); dp->phandle = node; @@ -198,26 +193,6 @@ static struct device_node * __init of_pdt_create_node(phandle node, return dp; } -static char * __init of_pdt_build_full_name(struct device_node *dp) -{ - int len, ourlen, plen; - char *n; - - plen = strlen(dp->parent->full_name); - ourlen = strlen(of_pdt_node_name(dp)); - len = ourlen + plen + 2; - - n = prom_early_alloc(len); - strcpy(n, dp->parent->full_name); - if (!of_node_is_root(dp->parent)) { - strcpy(n + plen, "/"); - plen++; - } - strcpy(n + plen, of_pdt_node_name(dp)); - - return n; -} - static struct device_node * __init of_pdt_build_tree(struct device_node *parent, phandle node, struct device_node ***nextp) @@ -240,9 +215,6 @@ static struct device_node * __init of_pdt_build_tree(struct device_node *parent, *(*nextp) = dp; *nextp = &dp->allnext; -#if defined(CONFIG_SPARC) - dp->path_component_name = build_path_component(dp); -#endif dp->full_name = of_pdt_build_full_name(dp); dp->child = of_pdt_build_tree(dp, diff --git a/drivers/pcmcia/pxa2xx_colibri.c b/drivers/pcmcia/pxa2xx_colibri.c index c3f72192af6..a52039564e7 100644 --- a/drivers/pcmcia/pxa2xx_colibri.c +++ b/drivers/pcmcia/pxa2xx_colibri.c @@ -181,6 +181,9 @@ static int __init colibri_pcmcia_init(void) { int ret; + if (!machine_is_colibri() && !machine_is_colibri320()) + return -ENODEV; + colibri_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); if (!colibri_pcmcia_device) return -ENOMEM; diff --git a/drivers/pps/generators/Kconfig b/drivers/pps/generators/Kconfig index f3a73dd7766..e4c4f3dc072 100644 --- a/drivers/pps/generators/Kconfig +++ b/drivers/pps/generators/Kconfig @@ -6,7 +6,7 @@ comment "PPS generators support" config PPS_GENERATOR_PARPORT tristate "Parallel port PPS signal generator" - depends on PARPORT + depends on PARPORT && BROKEN help If you say yes here you get support for a PPS signal generator which utilizes STROBE pin of a parallel port to send PPS signals. It uses diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index cf953ecbfca..b80fa288240 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -77,18 +77,20 @@ static irqreturn_t s3c_rtc_tickirq(int irq, void *id) } /* Update control registers */ -static void s3c_rtc_setaie(int to) +static int s3c_rtc_setaie(struct device *dev, unsigned int enabled) { unsigned int tmp; - pr_debug("%s: aie=%d\n", __func__, to); + pr_debug("%s: aie=%d\n", __func__, enabled); tmp = readb(s3c_rtc_base + S3C2410_RTCALM) & ~S3C2410_RTCALM_ALMEN; - if (to) + if (enabled) tmp |= S3C2410_RTCALM_ALMEN; writeb(tmp, s3c_rtc_base + S3C2410_RTCALM); + + return 0; } static int s3c_rtc_setpie(struct device *dev, int enabled) @@ -308,7 +310,7 @@ static int s3c_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) writeb(alrm_en, base + S3C2410_RTCALM); - s3c_rtc_setaie(alrm->enabled); + s3c_rtc_setaie(dev, alrm->enabled); return 0; } @@ -440,7 +442,7 @@ static int __devexit s3c_rtc_remove(struct platform_device *dev) rtc_device_unregister(rtc); s3c_rtc_setpie(&dev->dev, 0); - s3c_rtc_setaie(0); + s3c_rtc_setaie(&dev->dev, 0); clk_disable(rtc_clk); clk_put(rtc_clk); diff --git a/drivers/s390/block/xpram.c b/drivers/s390/block/xpram.c index c881a14fa5d..1f6a4d894e7 100644 --- a/drivers/s390/block/xpram.c +++ b/drivers/s390/block/xpram.c @@ -62,8 +62,8 @@ static int xpram_devs; /* * Parameter parsing functions. */ -static int __initdata devs = XPRAM_DEVS; -static char __initdata *sizes[XPRAM_MAX_DEVS]; +static int devs = XPRAM_DEVS; +static char *sizes[XPRAM_MAX_DEVS]; module_param(devs, int, 0); module_param_array(sizes, charp, NULL, 0); diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c index 8cd58e412b5..5ad44daef73 100644 --- a/drivers/s390/char/keyboard.c +++ b/drivers/s390/char/keyboard.c @@ -460,7 +460,8 @@ kbd_ioctl(struct kbd_data *kbd, struct file *file, unsigned int cmd, unsigned long arg) { void __user *argp; - int ct, perm; + unsigned int ct; + int perm; argp = (void __user *)arg; diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h index 7a242f07363..267b54e8ff5 100644 --- a/drivers/s390/char/tape.h +++ b/drivers/s390/char/tape.h @@ -280,6 +280,14 @@ tape_do_io_free(struct tape_device *device, struct tape_request *request) return rc; } +static inline void +tape_do_io_async_free(struct tape_device *device, struct tape_request *request) +{ + request->callback = (void *) tape_free_request; + request->callback_data = NULL; + tape_do_io_async(device, request); +} + extern int tape_oper_handler(int irq, int status); extern void tape_noper_handler(int irq, int status); extern int tape_open(struct tape_device *); diff --git a/drivers/s390/char/tape_34xx.c b/drivers/s390/char/tape_34xx.c index c17f35b6136..c26511171ff 100644 --- a/drivers/s390/char/tape_34xx.c +++ b/drivers/s390/char/tape_34xx.c @@ -53,23 +53,11 @@ static void tape_34xx_delete_sbid_from(struct tape_device *, int); * Medium sense for 34xx tapes. There is no 'real' medium sense call. * So we just do a normal sense. */ -static int -tape_34xx_medium_sense(struct tape_device *device) +static void __tape_34xx_medium_sense(struct tape_request *request) { - struct tape_request *request; - unsigned char *sense; - int rc; - - request = tape_alloc_request(1, 32); - if (IS_ERR(request)) { - DBF_EXCEPTION(6, "MSEN fail\n"); - return PTR_ERR(request); - } - - request->op = TO_MSEN; - tape_ccw_end(request->cpaddr, SENSE, 32, request->cpdata); + struct tape_device *device = request->device; + unsigned char *sense; - rc = tape_do_io_interruptible(device, request); if (request->rc == 0) { sense = request->cpdata; @@ -88,15 +76,47 @@ tape_34xx_medium_sense(struct tape_device *device) device->tape_generic_status |= GMT_WR_PROT(~0); else device->tape_generic_status &= ~GMT_WR_PROT(~0); - } else { + } else DBF_EVENT(4, "tape_34xx: medium sense failed with rc=%d\n", request->rc); - } tape_free_request(request); +} + +static int tape_34xx_medium_sense(struct tape_device *device) +{ + struct tape_request *request; + int rc; + + request = tape_alloc_request(1, 32); + if (IS_ERR(request)) { + DBF_EXCEPTION(6, "MSEN fail\n"); + return PTR_ERR(request); + } + request->op = TO_MSEN; + tape_ccw_end(request->cpaddr, SENSE, 32, request->cpdata); + rc = tape_do_io_interruptible(device, request); + __tape_34xx_medium_sense(request); return rc; } +static void tape_34xx_medium_sense_async(struct tape_device *device) +{ + struct tape_request *request; + + request = tape_alloc_request(1, 32); + if (IS_ERR(request)) { + DBF_EXCEPTION(6, "MSEN fail\n"); + return; + } + + request->op = TO_MSEN; + tape_ccw_end(request->cpaddr, SENSE, 32, request->cpdata); + request->callback = (void *) __tape_34xx_medium_sense; + request->callback_data = NULL; + tape_do_io_async(device, request); +} + struct tape_34xx_work { struct tape_device *device; enum tape_op op; @@ -109,6 +129,9 @@ struct tape_34xx_work { * is inserted but cannot call tape_do_io* from an interrupt context. * Maybe that's useful for other actions we want to start from the * interrupt handler. + * Note: the work handler is called by the system work queue. The tape + * commands started by the handler need to be asynchrounous, otherwise + * a deadlock can occur e.g. in case of a deferred cc=1 (see __tape_do_irq). */ static void tape_34xx_work_handler(struct work_struct *work) @@ -119,7 +142,7 @@ tape_34xx_work_handler(struct work_struct *work) switch(p->op) { case TO_MSEN: - tape_34xx_medium_sense(device); + tape_34xx_medium_sense_async(device); break; default: DBF_EVENT(3, "T34XX: internal error: unknown work\n"); diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index fbe361fcd2c..de2e99e0a71 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -329,17 +329,17 @@ out: /* * Enable encryption */ -static int tape_3592_enable_crypt(struct tape_device *device) +static struct tape_request *__tape_3592_enable_crypt(struct tape_device *device) { struct tape_request *request; char *data; DBF_EVENT(6, "tape_3592_enable_crypt\n"); if (!crypt_supported(device)) - return -ENOSYS; + return ERR_PTR(-ENOSYS); request = tape_alloc_request(2, 72); if (IS_ERR(request)) - return PTR_ERR(request); + return request; data = request->cpdata; memset(data,0,72); @@ -354,23 +354,42 @@ static int tape_3592_enable_crypt(struct tape_device *device) request->op = TO_CRYPT_ON; tape_ccw_cc(request->cpaddr, MODE_SET_CB, 36, data); tape_ccw_end(request->cpaddr + 1, MODE_SET_CB, 36, data + 36); + return request; +} + +static int tape_3592_enable_crypt(struct tape_device *device) +{ + struct tape_request *request; + + request = __tape_3592_enable_crypt(device); + if (IS_ERR(request)) + return PTR_ERR(request); return tape_do_io_free(device, request); } +static void tape_3592_enable_crypt_async(struct tape_device *device) +{ + struct tape_request *request; + + request = __tape_3592_enable_crypt(device); + if (!IS_ERR(request)) + tape_do_io_async_free(device, request); +} + /* * Disable encryption */ -static int tape_3592_disable_crypt(struct tape_device *device) +static struct tape_request *__tape_3592_disable_crypt(struct tape_device *device) { struct tape_request *request; char *data; DBF_EVENT(6, "tape_3592_disable_crypt\n"); if (!crypt_supported(device)) - return -ENOSYS; + return ERR_PTR(-ENOSYS); request = tape_alloc_request(2, 72); if (IS_ERR(request)) - return PTR_ERR(request); + return request; data = request->cpdata; memset(data,0,72); @@ -383,9 +402,28 @@ static int tape_3592_disable_crypt(struct tape_device *device) tape_ccw_cc(request->cpaddr, MODE_SET_CB, 36, data); tape_ccw_end(request->cpaddr + 1, MODE_SET_CB, 36, data + 36); + return request; +} + +static int tape_3592_disable_crypt(struct tape_device *device) +{ + struct tape_request *request; + + request = __tape_3592_disable_crypt(device); + if (IS_ERR(request)) + return PTR_ERR(request); return tape_do_io_free(device, request); } +static void tape_3592_disable_crypt_async(struct tape_device *device) +{ + struct tape_request *request; + + request = __tape_3592_disable_crypt(device); + if (!IS_ERR(request)) + tape_do_io_async_free(device, request); +} + /* * IOCTL: Set encryption status */ @@ -457,8 +495,7 @@ tape_3590_ioctl(struct tape_device *device, unsigned int cmd, unsigned long arg) /* * SENSE Medium: Get Sense data about medium state */ -static int -tape_3590_sense_medium(struct tape_device *device) +static int tape_3590_sense_medium(struct tape_device *device) { struct tape_request *request; @@ -470,6 +507,18 @@ tape_3590_sense_medium(struct tape_device *device) return tape_do_io_free(device, request); } +static void tape_3590_sense_medium_async(struct tape_device *device) +{ + struct tape_request *request; + + request = tape_alloc_request(1, 128); + if (IS_ERR(request)) + return; + request->op = TO_MSEN; + tape_ccw_end(request->cpaddr, MEDIUM_SENSE, 128, request->cpdata); + tape_do_io_async_free(device, request); +} + /* * MTTELL: Tell block. Return the number of block relative to current file. */ @@ -546,15 +595,14 @@ tape_3590_read_opposite(struct tape_device *device, * 2. The attention msg is written to the "read subsystem data" buffer. * In this case we probably should print it to the console. */ -static int -tape_3590_read_attmsg(struct tape_device *device) +static void tape_3590_read_attmsg_async(struct tape_device *device) { struct tape_request *request; char *buf; request = tape_alloc_request(3, 4096); if (IS_ERR(request)) - return PTR_ERR(request); + return; request->op = TO_READ_ATTMSG; buf = request->cpdata; buf[0] = PREP_RD_SS_DATA; @@ -562,12 +610,15 @@ tape_3590_read_attmsg(struct tape_device *device) tape_ccw_cc(request->cpaddr, PERFORM_SS_FUNC, 12, buf); tape_ccw_cc(request->cpaddr + 1, READ_SS_DATA, 4096 - 12, buf + 12); tape_ccw_end(request->cpaddr + 2, NOP, 0, NULL); - return tape_do_io_free(device, request); + tape_do_io_async_free(device, request); } /* * These functions are used to schedule follow-up actions from within an * interrupt context (like unsolicited interrupts). + * Note: the work handler is called by the system work queue. The tape + * commands started by the handler need to be asynchrounous, otherwise + * a deadlock can occur e.g. in case of a deferred cc=1 (see __tape_do_irq). */ struct work_handler_data { struct tape_device *device; @@ -583,16 +634,16 @@ tape_3590_work_handler(struct work_struct *work) switch (p->op) { case TO_MSEN: - tape_3590_sense_medium(p->device); + tape_3590_sense_medium_async(p->device); break; case TO_READ_ATTMSG: - tape_3590_read_attmsg(p->device); + tape_3590_read_attmsg_async(p->device); break; case TO_CRYPT_ON: - tape_3592_enable_crypt(p->device); + tape_3592_enable_crypt_async(p->device); break; case TO_CRYPT_OFF: - tape_3592_disable_crypt(p->device); + tape_3592_disable_crypt_async(p->device); break; default: DBF_EVENT(3, "T3590: work handler undefined for " diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 9045c52abd2..fb2bb35c62c 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -443,7 +443,7 @@ static void scsi_run_queue(struct request_queue *q) &sdev->request_queue->queue_flags); if (flagset) queue_flag_set(QUEUE_FLAG_REENTER, sdev->request_queue); - __blk_run_queue(sdev->request_queue); + __blk_run_queue(sdev->request_queue, false); if (flagset) queue_flag_clear(QUEUE_FLAG_REENTER, sdev->request_queue); spin_unlock(sdev->request_queue->queue_lock); diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 998c01be323..5c3ccfc6b62 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -3829,7 +3829,7 @@ fc_bsg_goose_queue(struct fc_rport *rport) !test_bit(QUEUE_FLAG_REENTER, &rport->rqst_q->queue_flags); if (flagset) queue_flag_set(QUEUE_FLAG_REENTER, rport->rqst_q); - __blk_run_queue(rport->rqst_q); + __blk_run_queue(rport->rqst_q, false); if (flagset) queue_flag_clear(QUEUE_FLAG_REENTER, rport->rqst_q); spin_unlock_irqrestore(rport->rqst_q->queue_lock, flags); diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index 158cecbec71..4a109835e42 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -282,6 +282,9 @@ int core_tmr_lun_reset( atomic_set(&task->task_active, 0); atomic_set(&task->task_stop, 0); + } else { + if (atomic_read(&task->task_execute_queue) != 0) + transport_remove_task_from_execute_queue(task, dev); } __transport_stop_task_timer(task, &flags); @@ -301,6 +304,7 @@ int core_tmr_lun_reset( DEBUG_LR("LUN_RESET: got t_transport_active = 1 for" " task: %p, t_fe_count: %d dev: %p\n", task, fe_count, dev); + atomic_set(&T_TASK(cmd)->t_transport_aborted, 1); spin_unlock_irqrestore(&T_TASK(cmd)->t_state_lock, flags); core_tmr_handle_tas_abort(tmr_nacl, cmd, tas, fe_count); @@ -310,6 +314,7 @@ int core_tmr_lun_reset( } DEBUG_LR("LUN_RESET: Got t_transport_active = 0 for task: %p," " t_fe_count: %d dev: %p\n", task, fe_count, dev); + atomic_set(&T_TASK(cmd)->t_transport_aborted, 1); spin_unlock_irqrestore(&T_TASK(cmd)->t_state_lock, flags); core_tmr_handle_tas_abort(tmr_nacl, cmd, tas, fe_count); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 236e22d8cfa..4bbf6c147f8 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1207,7 +1207,7 @@ transport_get_task_from_execute_queue(struct se_device *dev) * * */ -static void transport_remove_task_from_execute_queue( +void transport_remove_task_from_execute_queue( struct se_task *task, struct se_device *dev) { @@ -5549,7 +5549,8 @@ static void transport_generic_wait_for_tasks( atomic_set(&T_TASK(cmd)->transport_lun_stop, 0); } - if (!atomic_read(&T_TASK(cmd)->t_transport_active)) + if (!atomic_read(&T_TASK(cmd)->t_transport_active) || + atomic_read(&T_TASK(cmd)->t_transport_aborted)) goto remove; atomic_set(&T_TASK(cmd)->t_transport_stop, 1); @@ -5956,6 +5957,9 @@ static void transport_processing_shutdown(struct se_device *dev) atomic_set(&task->task_active, 0); atomic_set(&task->task_stop, 0); + } else { + if (atomic_read(&task->task_execute_queue) != 0) + transport_remove_task_from_execute_queue(task, dev); } __transport_stop_task_timer(task, &flags); diff --git a/drivers/tty/serial/serial_cs.c b/drivers/tty/serial/serial_cs.c index 93760b2ea17..1ef4df9bf7e 100644 --- a/drivers/tty/serial/serial_cs.c +++ b/drivers/tty/serial/serial_cs.c @@ -712,6 +712,7 @@ static struct pcmcia_device_id serial_ids[] = { PCMCIA_PFC_DEVICE_PROD_ID12(1, "Xircom", "CreditCard Ethernet+Modem II", 0x2e3ee845, 0xeca401bf), PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0032, 0x0e01), PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0032, 0x0a05), + PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0032, 0x0b05), PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0032, 0x1101), PCMCIA_MFC_DEVICE_MANF_CARD(0, 0x0104, 0x0070), PCMCIA_MFC_DEVICE_MANF_CARD(1, 0x0101, 0x0562), diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c index 3c6e1a05874..5e1495097ec 100644 --- a/drivers/usb/gadget/f_phonet.c +++ b/drivers/usb/gadget/f_phonet.c @@ -346,14 +346,19 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req) if (unlikely(!skb)) break; - skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, 0, - req->actual); - page = NULL; - if (req->actual < req->length) { /* Last fragment */ + if (skb->len == 0) { /* First fragment */ skb->protocol = htons(ETH_P_PHONET); skb_reset_mac_header(skb); - pskb_pull(skb, 1); + /* Can't use pskb_pull() on page in IRQ */ + memcpy(skb_put(skb, 1), page_address(page), 1); + } + + skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, + skb->len == 0, req->actual); + page = NULL; + + if (req->actual < req->length) { /* Last fragment */ skb->dev = dev; dev->stats.rx_packets++; dev->stats.rx_bytes += skb->len; diff --git a/drivers/usb/host/ehci-xilinx-of.c b/drivers/usb/host/ehci-xilinx-of.c index e8f4f36fdf0..a6f21b891f6 100644 --- a/drivers/usb/host/ehci-xilinx-of.c +++ b/drivers/usb/host/ehci-xilinx-of.c @@ -29,6 +29,7 @@ #include <linux/of.h> #include <linux/of_platform.h> +#include <linux/of_address.h> /** * ehci_xilinx_of_setup - Initialize the device for ehci_reset() diff --git a/drivers/video/backlight/ltv350qv.c b/drivers/video/backlight/ltv350qv.c index 8010aaeb5ad..dd0e84a9bd2 100644 --- a/drivers/video/backlight/ltv350qv.c +++ b/drivers/video/backlight/ltv350qv.c @@ -239,11 +239,15 @@ static int __devinit ltv350qv_probe(struct spi_device *spi) lcd->spi = spi; lcd->power = FB_BLANK_POWERDOWN; lcd->buffer = kzalloc(8, GFP_KERNEL); + if (!lcd->buffer) { + ret = -ENOMEM; + goto out_free_lcd; + } ld = lcd_device_register("ltv350qv", &spi->dev, lcd, <v_ops); if (IS_ERR(ld)) { ret = PTR_ERR(ld); - goto out_free_lcd; + goto out_free_buffer; } lcd->ld = ld; @@ -257,6 +261,8 @@ static int __devinit ltv350qv_probe(struct spi_device *spi) out_unregister: lcd_device_unregister(ld); +out_free_buffer: + kfree(lcd->buffer); out_free_lcd: kfree(lcd); return ret; @@ -268,6 +274,7 @@ static int __devexit ltv350qv_remove(struct spi_device *spi) ltv350qv_power(lcd, FB_BLANK_POWERDOWN); lcd_device_unregister(lcd->ld); + kfree(lcd->buffer); kfree(lcd); return 0; diff --git a/drivers/watchdog/cpwd.c b/drivers/watchdog/cpwd.c index eca855a55c0..3de4ba0260a 100644 --- a/drivers/watchdog/cpwd.c +++ b/drivers/watchdog/cpwd.c @@ -646,7 +646,7 @@ static int __devexit cpwd_remove(struct platform_device *op) struct cpwd *p = dev_get_drvdata(&op->dev); int i; - for (i = 0; i < 4; i++) { + for (i = 0; i < WD_NUMDEVS; i++) { misc_deregister(&p->devs[i].misc); if (!p->enabled) { diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 24b966d5061..204a5603c4a 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -710,7 +710,7 @@ static int __devinit hpwdt_init_nmi_decoding(struct pci_dev *dev) return 0; } -static void __devexit hpwdt_exit_nmi_decoding(void) +static void hpwdt_exit_nmi_decoding(void) { unregister_die_notifier(&die_notifier); if (cru_rom_addr) @@ -726,7 +726,7 @@ static int __devinit hpwdt_init_nmi_decoding(struct pci_dev *dev) return 0; } -static void __devexit hpwdt_exit_nmi_decoding(void) +static void hpwdt_exit_nmi_decoding(void) { } #endif /* CONFIG_HPWDT_NMI_DECODING */ diff --git a/drivers/watchdog/sbc_fitpc2_wdt.c b/drivers/watchdog/sbc_fitpc2_wdt.c index c7d67e9a746..79906255eeb 100644 --- a/drivers/watchdog/sbc_fitpc2_wdt.c +++ b/drivers/watchdog/sbc_fitpc2_wdt.c @@ -201,11 +201,14 @@ static struct miscdevice fitpc2_wdt_miscdev = { static int __init fitpc2_wdt_init(void) { int err; + const char *brd_name; - if (!strstr(dmi_get_system_info(DMI_BOARD_NAME), "SBC-FITPC2")) + brd_name = dmi_get_system_info(DMI_BOARD_NAME); + + if (!brd_name || !strstr(brd_name, "SBC-FITPC2")) return -ENODEV; - pr_info("%s found\n", dmi_get_system_info(DMI_BOARD_NAME)); + pr_info("%s found\n", brd_name); if (!request_region(COMMAND_PORT, 1, WATCHDOG_NAME)) { pr_err("I/O address 0x%04x already in use\n", COMMAND_PORT); diff --git a/drivers/watchdog/sch311x_wdt.c b/drivers/watchdog/sch311x_wdt.c index 0461858e07d..b61ab1c5429 100644 --- a/drivers/watchdog/sch311x_wdt.c +++ b/drivers/watchdog/sch311x_wdt.c @@ -508,7 +508,7 @@ static int __init sch311x_detect(int sio_config_port, unsigned short *addr) sch311x_sio_outb(sio_config_port, 0x07, 0x0a); /* Check if Logical Device Register is currently active */ - if (sch311x_sio_inb(sio_config_port, 0x30) && 0x01 == 0) + if ((sch311x_sio_inb(sio_config_port, 0x30) & 0x01) == 0) printk(KERN_INFO PFX "Seems that LDN 0x0a is not active...\n"); /* Get the base address of the runtime registers */ diff --git a/drivers/watchdog/w83697ug_wdt.c b/drivers/watchdog/w83697ug_wdt.c index a6c12dec91a..df2a64dc967 100644 --- a/drivers/watchdog/w83697ug_wdt.c +++ b/drivers/watchdog/w83697ug_wdt.c @@ -109,7 +109,7 @@ static int w83697ug_select_wd_register(void) outb_p(0x08, WDT_EFDR); /* select logical device 8 (GPIO2) */ outb_p(0x30, WDT_EFER); /* select CR30 */ c = inb_p(WDT_EFDR); - outb_p(c || 0x01, WDT_EFDR); /* set bit 0 to activate GPIO2 */ + outb_p(c | 0x01, WDT_EFDR); /* set bit 0 to activate GPIO2 */ return 0; } diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 6f820fa23df..7f78cc78fdd 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -729,6 +729,15 @@ struct btrfs_space_info { u64 disk_total; /* total bytes on disk, takes mirrors into account */ + /* + * we bump reservation progress every time we decrement + * bytes_reserved. This way people waiting for reservations + * know something good has happened and they can check + * for progress. The number here isn't to be trusted, it + * just shows reclaim activity + */ + unsigned long reservation_progress; + int full; /* indicates that we cannot allocate any more chunks for this space */ int force_alloc; /* set if we need to force a chunk alloc for diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 588ff984987..7b3089b5c2d 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3342,15 +3342,16 @@ static int shrink_delalloc(struct btrfs_trans_handle *trans, u64 max_reclaim; u64 reclaimed = 0; long time_left; - int pause = 1; int nr_pages = (2 * 1024 * 1024) >> PAGE_CACHE_SHIFT; int loops = 0; + unsigned long progress; block_rsv = &root->fs_info->delalloc_block_rsv; space_info = block_rsv->space_info; smp_mb(); reserved = space_info->bytes_reserved; + progress = space_info->reservation_progress; if (reserved == 0) return 0; @@ -3365,31 +3366,36 @@ static int shrink_delalloc(struct btrfs_trans_handle *trans, writeback_inodes_sb_nr_if_idle(root->fs_info->sb, nr_pages); spin_lock(&space_info->lock); - if (reserved > space_info->bytes_reserved) { - loops = 0; + if (reserved > space_info->bytes_reserved) reclaimed += reserved - space_info->bytes_reserved; - } else { - loops++; - } reserved = space_info->bytes_reserved; spin_unlock(&space_info->lock); + loops++; + if (reserved == 0 || reclaimed >= max_reclaim) break; if (trans && trans->transaction->blocked) return -EAGAIN; - __set_current_state(TASK_INTERRUPTIBLE); - time_left = schedule_timeout(pause); + time_left = schedule_timeout_interruptible(1); /* We were interrupted, exit */ if (time_left) break; - pause <<= 1; - if (pause > HZ / 10) - pause = HZ / 10; + /* we've kicked the IO a few times, if anything has been freed, + * exit. There is no sense in looping here for a long time + * when we really need to commit the transaction, or there are + * just too many writers without enough free space + */ + + if (loops > 3) { + smp_mb(); + if (progress != space_info->reservation_progress) + break; + } } return reclaimed >= to_reclaim; @@ -3612,6 +3618,7 @@ void block_rsv_release_bytes(struct btrfs_block_rsv *block_rsv, if (num_bytes) { spin_lock(&space_info->lock); space_info->bytes_reserved -= num_bytes; + space_info->reservation_progress++; spin_unlock(&space_info->lock); } } @@ -3844,6 +3851,7 @@ static void update_global_block_rsv(struct btrfs_fs_info *fs_info) if (block_rsv->reserved >= block_rsv->size) { num_bytes = block_rsv->reserved - block_rsv->size; sinfo->bytes_reserved -= num_bytes; + sinfo->reservation_progress++; block_rsv->reserved = block_rsv->size; block_rsv->full = 1; } @@ -4005,7 +4013,6 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes) to_reserve = 0; } spin_unlock(&BTRFS_I(inode)->accounting_lock); - to_reserve += calc_csum_metadata_size(inode, num_bytes); ret = reserve_metadata_bytes(NULL, root, block_rsv, to_reserve, 1); if (ret) @@ -4133,6 +4140,7 @@ static int update_block_group(struct btrfs_trans_handle *trans, btrfs_set_block_group_used(&cache->item, old_val); cache->reserved -= num_bytes; cache->space_info->bytes_reserved -= num_bytes; + cache->space_info->reservation_progress++; cache->space_info->bytes_used += num_bytes; cache->space_info->disk_used += num_bytes * factor; spin_unlock(&cache->lock); @@ -4184,6 +4192,7 @@ static int pin_down_extent(struct btrfs_root *root, if (reserved) { cache->reserved -= num_bytes; cache->space_info->bytes_reserved -= num_bytes; + cache->space_info->reservation_progress++; } spin_unlock(&cache->lock); spin_unlock(&cache->space_info->lock); @@ -4234,6 +4243,7 @@ static int update_reserved_bytes(struct btrfs_block_group_cache *cache, space_info->bytes_readonly += num_bytes; cache->reserved -= num_bytes; space_info->bytes_reserved -= num_bytes; + space_info->reservation_progress++; } spin_unlock(&cache->lock); spin_unlock(&space_info->lock); @@ -4712,6 +4722,7 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans, if (ret) { spin_lock(&cache->space_info->lock); cache->space_info->bytes_reserved -= buf->len; + cache->space_info->reservation_progress++; spin_unlock(&cache->space_info->lock); } goto out; diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index fd3f172e94e..714adc4ac4c 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -3046,17 +3046,38 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, } while (!end) { - off = extent_map_end(em); - if (off >= max) - end = 1; + u64 offset_in_extent; + + /* break if the extent we found is outside the range */ + if (em->start >= max || extent_map_end(em) < off) + break; + + /* + * get_extent may return an extent that starts before our + * requested range. We have to make sure the ranges + * we return to fiemap always move forward and don't + * overlap, so adjust the offsets here + */ + em_start = max(em->start, off); - em_start = em->start; - em_len = em->len; + /* + * record the offset from the start of the extent + * for adjusting the disk offset below + */ + offset_in_extent = em_start - em->start; em_end = extent_map_end(em); + em_len = em_end - em_start; emflags = em->flags; disko = 0; flags = 0; + /* + * bump off for our next call to get_extent + */ + off = extent_map_end(em); + if (off >= max) + end = 1; + if (em->block_start == EXTENT_MAP_LAST_BYTE) { end = 1; flags |= FIEMAP_EXTENT_LAST; @@ -3067,7 +3088,7 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, flags |= (FIEMAP_EXTENT_DELALLOC | FIEMAP_EXTENT_UNKNOWN); } else { - disko = em->block_start; + disko = em->block_start + offset_in_extent; } if (test_bit(EXTENT_FLAG_COMPRESSED, &em->flags)) flags |= FIEMAP_EXTENT_ENCODED; diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 7084140d594..f447b783bb8 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -70,6 +70,19 @@ static noinline int btrfs_copy_from_user(loff_t pos, int num_pages, /* Flush processor's dcache for this page */ flush_dcache_page(page); + + /* + * if we get a partial write, we can end up with + * partially up to date pages. These add + * a lot of complexity, so make sure they don't + * happen by forcing this copy to be retried. + * + * The rest of the btrfs_file_write code will fall + * back to page at a time copies after we return 0. + */ + if (!PageUptodate(page) && copied < count) + copied = 0; + iov_iter_advance(i, copied); write_bytes -= copied; total_copied += copied; @@ -763,6 +776,27 @@ out: } /* + * on error we return an unlocked page and the error value + * on success we return a locked page and 0 + */ +static int prepare_uptodate_page(struct page *page, u64 pos) +{ + int ret = 0; + + if ((pos & (PAGE_CACHE_SIZE - 1)) && !PageUptodate(page)) { + ret = btrfs_readpage(NULL, page); + if (ret) + return ret; + lock_page(page); + if (!PageUptodate(page)) { + unlock_page(page); + return -EIO; + } + } + return 0; +} + +/* * this gets pages into the page cache and locks them down, it also properly * waits for data=ordered extents to finish before allowing the pages to be * modified. @@ -777,6 +811,7 @@ static noinline int prepare_pages(struct btrfs_root *root, struct file *file, unsigned long index = pos >> PAGE_CACHE_SHIFT; struct inode *inode = fdentry(file)->d_inode; int err = 0; + int faili = 0; u64 start_pos; u64 last_pos; @@ -794,15 +829,24 @@ again: for (i = 0; i < num_pages; i++) { pages[i] = grab_cache_page(inode->i_mapping, index + i); if (!pages[i]) { - int c; - for (c = i - 1; c >= 0; c--) { - unlock_page(pages[c]); - page_cache_release(pages[c]); - } - return -ENOMEM; + faili = i - 1; + err = -ENOMEM; + goto fail; + } + + if (i == 0) + err = prepare_uptodate_page(pages[i], pos); + if (i == num_pages - 1) + err = prepare_uptodate_page(pages[i], + pos + write_bytes); + if (err) { + page_cache_release(pages[i]); + faili = i - 1; + goto fail; } wait_on_page_writeback(pages[i]); } + err = 0; if (start_pos < inode->i_size) { struct btrfs_ordered_extent *ordered; lock_extent_bits(&BTRFS_I(inode)->io_tree, @@ -842,6 +886,14 @@ again: WARN_ON(!PageLocked(pages[i])); } return 0; +fail: + while (faili >= 0) { + unlock_page(pages[faili]); + page_cache_release(pages[faili]); + faili--; + } + return err; + } static ssize_t btrfs_file_aio_write(struct kiocb *iocb, @@ -851,7 +903,6 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb, struct file *file = iocb->ki_filp; struct inode *inode = fdentry(file)->d_inode; struct btrfs_root *root = BTRFS_I(inode)->root; - struct page *pinned[2]; struct page **pages = NULL; struct iov_iter i; loff_t *ppos = &iocb->ki_pos; @@ -872,9 +923,6 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb, will_write = ((file->f_flags & O_DSYNC) || IS_SYNC(inode) || (file->f_flags & O_DIRECT)); - pinned[0] = NULL; - pinned[1] = NULL; - start_pos = pos; vfs_check_frozen(inode->i_sb, SB_FREEZE_WRITE); @@ -962,32 +1010,6 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb, first_index = pos >> PAGE_CACHE_SHIFT; last_index = (pos + iov_iter_count(&i)) >> PAGE_CACHE_SHIFT; - /* - * there are lots of better ways to do this, but this code - * makes sure the first and last page in the file range are - * up to date and ready for cow - */ - if ((pos & (PAGE_CACHE_SIZE - 1))) { - pinned[0] = grab_cache_page(inode->i_mapping, first_index); - if (!PageUptodate(pinned[0])) { - ret = btrfs_readpage(NULL, pinned[0]); - BUG_ON(ret); - wait_on_page_locked(pinned[0]); - } else { - unlock_page(pinned[0]); - } - } - if ((pos + iov_iter_count(&i)) & (PAGE_CACHE_SIZE - 1)) { - pinned[1] = grab_cache_page(inode->i_mapping, last_index); - if (!PageUptodate(pinned[1])) { - ret = btrfs_readpage(NULL, pinned[1]); - BUG_ON(ret); - wait_on_page_locked(pinned[1]); - } else { - unlock_page(pinned[1]); - } - } - while (iov_iter_count(&i) > 0) { size_t offset = pos & (PAGE_CACHE_SIZE - 1); size_t write_bytes = min(iov_iter_count(&i), @@ -1024,8 +1046,20 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb, copied = btrfs_copy_from_user(pos, num_pages, write_bytes, pages, &i); - dirty_pages = (copied + offset + PAGE_CACHE_SIZE - 1) >> - PAGE_CACHE_SHIFT; + + /* + * if we have trouble faulting in the pages, fall + * back to one page at a time + */ + if (copied < write_bytes) + nrptrs = 1; + + if (copied == 0) + dirty_pages = 0; + else + dirty_pages = (copied + offset + + PAGE_CACHE_SIZE - 1) >> + PAGE_CACHE_SHIFT; if (num_pages > dirty_pages) { if (copied > 0) @@ -1069,10 +1103,6 @@ out: err = ret; kfree(pages); - if (pinned[0]) - page_cache_release(pinned[0]); - if (pinned[1]) - page_cache_release(pinned[1]); *ppos = pos; /* diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 0efdb65953c..9007bbd01db 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4821,10 +4821,11 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir, goto fail; /* - * 1 item for inode ref + * 2 items for inode and inode ref * 2 items for dir items + * 1 item for parent inode */ - trans = btrfs_start_transaction(root, 3); + trans = btrfs_start_transaction(root, 5); if (IS_ERR(trans)) { err = PTR_ERR(trans); goto fail; @@ -6056,6 +6057,7 @@ static void btrfs_submit_direct(int rw, struct bio *bio, struct inode *inode, if (!skip_sum) { dip->csums = kmalloc(sizeof(u32) * bio->bi_vcnt, GFP_NOFS); if (!dip->csums) { + kfree(dip); ret = -ENOMEM; goto free_ordered; } diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index f0aef787a10..ebafa65a29b 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -60,7 +60,6 @@ int ceph_init_dentry(struct dentry *dentry) } di->dentry = dentry; di->lease_session = NULL; - di->parent_inode = igrab(dentry->d_parent->d_inode); dentry->d_fsdata = di; dentry->d_time = jiffies; ceph_dentry_lru_add(dentry); @@ -410,7 +409,7 @@ more: spin_lock(&inode->i_lock); if (ci->i_release_count == fi->dir_release_count) { dout(" marking %p complete\n", inode); - ci->i_ceph_flags |= CEPH_I_COMPLETE; + /* ci->i_ceph_flags |= CEPH_I_COMPLETE; */ ci->i_max_offset = filp->f_pos; } spin_unlock(&inode->i_lock); @@ -497,6 +496,7 @@ struct dentry *ceph_finish_lookup(struct ceph_mds_request *req, /* .snap dir? */ if (err == -ENOENT && + ceph_snap(parent) == CEPH_NOSNAP && strcmp(dentry->d_name.name, fsc->mount_options->snapdir_name) == 0) { struct inode *inode = ceph_get_snapdir(parent); @@ -993,7 +993,7 @@ static int ceph_d_revalidate(struct dentry *dentry, struct nameidata *nd) { struct inode *dir; - if (nd->flags & LOOKUP_RCU) + if (nd && nd->flags & LOOKUP_RCU) return -ECHILD; dir = dentry->d_parent->d_inode; @@ -1030,28 +1030,8 @@ out_touch: static void ceph_dentry_release(struct dentry *dentry) { struct ceph_dentry_info *di = ceph_dentry(dentry); - struct inode *parent_inode = NULL; - u64 snapid = CEPH_NOSNAP; - if (!IS_ROOT(dentry)) { - parent_inode = di->parent_inode; - if (parent_inode) - snapid = ceph_snap(parent_inode); - } - dout("dentry_release %p parent %p\n", dentry, parent_inode); - if (parent_inode && snapid != CEPH_SNAPDIR) { - struct ceph_inode_info *ci = ceph_inode(parent_inode); - - spin_lock(&parent_inode->i_lock); - if (ci->i_shared_gen == di->lease_shared_gen || - snapid <= CEPH_MAXSNAP) { - dout(" clearing %p complete (d_release)\n", - parent_inode); - ci->i_ceph_flags &= ~CEPH_I_COMPLETE; - ci->i_release_count++; - } - spin_unlock(&parent_inode->i_lock); - } + dout("dentry_release %p\n", dentry); if (di) { ceph_dentry_lru_del(dentry); if (di->lease_session) @@ -1059,8 +1039,6 @@ static void ceph_dentry_release(struct dentry *dentry) kmem_cache_free(ceph_dentry_cachep, di); dentry->d_fsdata = NULL; } - if (parent_inode) - iput(parent_inode); } static int ceph_snapdir_d_revalidate(struct dentry *dentry, diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 5625463aa47..193bfa5e9cb 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -707,7 +707,7 @@ static int fill_inode(struct inode *inode, (issued & CEPH_CAP_FILE_EXCL) == 0 && (ci->i_ceph_flags & CEPH_I_COMPLETE) == 0) { dout(" marking %p complete (empty)\n", inode); - ci->i_ceph_flags |= CEPH_I_COMPLETE; + /* ci->i_ceph_flags |= CEPH_I_COMPLETE; */ ci->i_max_offset = 2; } break; diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 88fcaa21b80..20b907d76ae 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -207,7 +207,6 @@ struct ceph_dentry_info { struct dentry *dentry; u64 time; u64 offset; - struct inode *parent_inode; }; struct ceph_inode_xattrs_info { diff --git a/fs/compat.c b/fs/compat.c index f6fd0a00e6c..691c3fd8ce1 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1228,7 +1228,9 @@ compat_sys_preadv(unsigned long fd, const struct compat_iovec __user *vec, file = fget_light(fd, &fput_needed); if (!file) return -EBADF; - ret = compat_readv(file, vec, vlen, &pos); + ret = -ESPIPE; + if (file->f_mode & FMODE_PREAD) + ret = compat_readv(file, vec, vlen, &pos); fput_light(file, fput_needed); return ret; } @@ -1285,7 +1287,9 @@ compat_sys_pwritev(unsigned long fd, const struct compat_iovec __user *vec, file = fget_light(fd, &fput_needed); if (!file) return -EBADF; - ret = compat_writev(file, vec, vlen, &pos); + ret = -ESPIPE; + if (file->f_mode & FMODE_PWRITE) + ret = compat_writev(file, vec, vlen, &pos); fput_light(file, fput_needed); return ret; } diff --git a/fs/dcache.c b/fs/dcache.c index 2a6bd9a4ae9..611ffe928c0 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1523,6 +1523,28 @@ struct dentry * d_alloc_root(struct inode * root_inode) } EXPORT_SYMBOL(d_alloc_root); +static struct dentry * __d_find_any_alias(struct inode *inode) +{ + struct dentry *alias; + + if (list_empty(&inode->i_dentry)) + return NULL; + alias = list_first_entry(&inode->i_dentry, struct dentry, d_alias); + __dget(alias); + return alias; +} + +static struct dentry * d_find_any_alias(struct inode *inode) +{ + struct dentry *de; + + spin_lock(&inode->i_lock); + de = __d_find_any_alias(inode); + spin_unlock(&inode->i_lock); + return de; +} + + /** * d_obtain_alias - find or allocate a dentry for a given inode * @inode: inode to allocate the dentry for @@ -1552,7 +1574,7 @@ struct dentry *d_obtain_alias(struct inode *inode) if (IS_ERR(inode)) return ERR_CAST(inode); - res = d_find_alias(inode); + res = d_find_any_alias(inode); if (res) goto out_iput; @@ -1565,7 +1587,7 @@ struct dentry *d_obtain_alias(struct inode *inode) spin_lock(&inode->i_lock); - res = __d_find_alias(inode, 0); + res = __d_find_any_alias(inode); if (res) { spin_unlock(&inode->i_lock); dput(tmp); diff --git a/fs/exofs/namei.c b/fs/exofs/namei.c index 264e95d0283..4d70db110cf 100644 --- a/fs/exofs/namei.c +++ b/fs/exofs/namei.c @@ -272,7 +272,6 @@ static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry, new_de = exofs_find_entry(new_dir, new_dentry, &new_page); if (!new_de) goto out_dir; - inode_inc_link_count(old_inode); err = exofs_set_link(new_dir, new_de, new_page, old_inode); new_inode->i_ctime = CURRENT_TIME; if (dir_de) @@ -286,12 +285,9 @@ static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry, if (new_dir->i_nlink >= EXOFS_LINK_MAX) goto out_dir; } - inode_inc_link_count(old_inode); err = exofs_add_link(new_dentry, old_inode); - if (err) { - inode_dec_link_count(old_inode); + if (err) goto out_dir; - } if (dir_de) inode_inc_link_count(new_dir); } @@ -299,7 +295,7 @@ static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry, old_inode->i_ctime = CURRENT_TIME; exofs_delete_entry(old_de, old_page); - inode_dec_link_count(old_inode); + mark_inode_dirty(old_inode); if (dir_de) { err = exofs_set_link(old_inode, dir_de, dir_page, new_dir); diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c index 2e1d8341d82..adb91855ccd 100644 --- a/fs/ext2/namei.c +++ b/fs/ext2/namei.c @@ -344,7 +344,6 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry, new_de = ext2_find_entry (new_dir, &new_dentry->d_name, &new_page); if (!new_de) goto out_dir; - inode_inc_link_count(old_inode); ext2_set_link(new_dir, new_de, new_page, old_inode, 1); new_inode->i_ctime = CURRENT_TIME_SEC; if (dir_de) @@ -356,12 +355,9 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry, if (new_dir->i_nlink >= EXT2_LINK_MAX) goto out_dir; } - inode_inc_link_count(old_inode); err = ext2_add_link(new_dentry, old_inode); - if (err) { - inode_dec_link_count(old_inode); + if (err) goto out_dir; - } if (dir_de) inode_inc_link_count(new_dir); } @@ -369,12 +365,11 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry, /* * Like most other Unix systems, set the ctime for inodes on a * rename. - * inode_dec_link_count() will mark the inode dirty. */ old_inode->i_ctime = CURRENT_TIME_SEC; + mark_inode_dirty(old_inode); ext2_delete_entry (old_de, old_page); - inode_dec_link_count(old_inode); if (dir_de) { if (old_dir != new_dir) diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c index f88f752babd..adae3fb7451 100644 --- a/fs/fat/namei_vfat.c +++ b/fs/fat/namei_vfat.c @@ -43,7 +43,7 @@ static int vfat_revalidate_shortname(struct dentry *dentry) static int vfat_revalidate(struct dentry *dentry, struct nameidata *nd) { - if (nd->flags & LOOKUP_RCU) + if (nd && nd->flags & LOOKUP_RCU) return -ECHILD; /* This is not negative dentry. Always valid. */ @@ -54,7 +54,7 @@ static int vfat_revalidate(struct dentry *dentry, struct nameidata *nd) static int vfat_revalidate_ci(struct dentry *dentry, struct nameidata *nd) { - if (nd->flags & LOOKUP_RCU) + if (nd && nd->flags & LOOKUP_RCU) return -ECHILD; /* diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 83543b5ff94..8bd0ef9286c 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -158,7 +158,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, struct nameidata *nd) { struct inode *inode; - if (nd->flags & LOOKUP_RCU) + if (nd && nd->flags & LOOKUP_RCU) return -ECHILD; inode = entry->d_inode; diff --git a/fs/gfs2/dentry.c b/fs/gfs2/dentry.c index 4a456338b87..0da8da2c991 100644 --- a/fs/gfs2/dentry.c +++ b/fs/gfs2/dentry.c @@ -44,7 +44,7 @@ static int gfs2_drevalidate(struct dentry *dentry, struct nameidata *nd) int error; int had_lock = 0; - if (nd->flags & LOOKUP_RCU) + if (nd && nd->flags & LOOKUP_RCU) return -ECHILD; parent = dget_parent(dentry); diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c index afa66aaa223..b4d70b13be9 100644 --- a/fs/hfs/dir.c +++ b/fs/hfs/dir.c @@ -238,46 +238,22 @@ static int hfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) } /* - * hfs_unlink() + * hfs_remove() * - * This is the unlink() entry in the inode_operations structure for - * regular HFS directories. The purpose is to delete an existing - * file, given the inode for the parent directory and the name - * (and its length) of the existing file. - */ -static int hfs_unlink(struct inode *dir, struct dentry *dentry) -{ - struct inode *inode; - int res; - - inode = dentry->d_inode; - res = hfs_cat_delete(inode->i_ino, dir, &dentry->d_name); - if (res) - return res; - - drop_nlink(inode); - hfs_delete_inode(inode); - inode->i_ctime = CURRENT_TIME_SEC; - mark_inode_dirty(inode); - - return res; -} - -/* - * hfs_rmdir() + * This serves as both unlink() and rmdir() in the inode_operations + * structure for regular HFS directories. The purpose is to delete + * an existing child, given the inode for the parent directory and + * the name (and its length) of the existing directory. * - * This is the rmdir() entry in the inode_operations structure for - * regular HFS directories. The purpose is to delete an existing - * directory, given the inode for the parent directory and the name - * (and its length) of the existing directory. + * HFS does not have hardlinks, so both rmdir and unlink set the + * link count to 0. The only difference is the emptiness check. */ -static int hfs_rmdir(struct inode *dir, struct dentry *dentry) +static int hfs_remove(struct inode *dir, struct dentry *dentry) { - struct inode *inode; + struct inode *inode = dentry->d_inode; int res; - inode = dentry->d_inode; - if (inode->i_size != 2) + if (S_ISDIR(inode->i_mode) && inode->i_size != 2) return -ENOTEMPTY; res = hfs_cat_delete(inode->i_ino, dir, &dentry->d_name); if (res) @@ -307,7 +283,7 @@ static int hfs_rename(struct inode *old_dir, struct dentry *old_dentry, /* Unlink destination if it already exists */ if (new_dentry->d_inode) { - res = hfs_unlink(new_dir, new_dentry); + res = hfs_remove(new_dir, new_dentry); if (res) return res; } @@ -332,9 +308,9 @@ const struct file_operations hfs_dir_operations = { const struct inode_operations hfs_dir_inode_operations = { .create = hfs_create, .lookup = hfs_lookup, - .unlink = hfs_unlink, + .unlink = hfs_remove, .mkdir = hfs_mkdir, - .rmdir = hfs_rmdir, + .rmdir = hfs_remove, .rename = hfs_rename, .setattr = hfs_inode_setattr, }; diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index 81ead850ddb..5a2b269428a 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c @@ -1600,7 +1600,7 @@ out: static int jfs_ci_revalidate(struct dentry *dentry, struct nameidata *nd) { - if (nd->flags & LOOKUP_RCU) + if (nd && nd->flags & LOOKUP_RCU) return -ECHILD; /* * This is not negative dentry. Always valid. diff --git a/fs/minix/namei.c b/fs/minix/namei.c index ce7337ddfdb..6e6777f1b4b 100644 --- a/fs/minix/namei.c +++ b/fs/minix/namei.c @@ -213,7 +213,6 @@ static int minix_rename(struct inode * old_dir, struct dentry *old_dentry, new_de = minix_find_entry(new_dentry, &new_page); if (!new_de) goto out_dir; - inode_inc_link_count(old_inode); minix_set_link(new_de, new_page, old_inode); new_inode->i_ctime = CURRENT_TIME_SEC; if (dir_de) @@ -225,18 +224,15 @@ static int minix_rename(struct inode * old_dir, struct dentry *old_dentry, if (new_dir->i_nlink >= info->s_link_max) goto out_dir; } - inode_inc_link_count(old_inode); err = minix_add_link(new_dentry, old_inode); - if (err) { - inode_dec_link_count(old_inode); + if (err) goto out_dir; - } if (dir_de) inode_inc_link_count(new_dir); } minix_delete_entry(old_de, old_page); - inode_dec_link_count(old_inode); + mark_inode_dirty(old_inode); if (dir_de) { minix_set_link(dir_de, dir_page, new_dir); diff --git a/fs/namei.c b/fs/namei.c index 0087cf9c2c6..a4689eb2df2 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1546,6 +1546,7 @@ static int path_walk(const char *name, struct nameidata *nd) /* nd->path had been dropped */ current->total_link_count = 0; nd->path = save; + nd->inode = save.dentry->d_inode; path_get(&nd->path); nd->flags |= LOOKUP_REVAL; result = link_path_walk(name, nd); @@ -2455,22 +2456,29 @@ struct file *do_filp_open(int dfd, const char *pathname, /* !O_CREAT, simple open */ error = do_path_lookup(dfd, pathname, flags, &nd); if (unlikely(error)) - goto out_filp; + goto out_filp2; error = -ELOOP; if (!(nd.flags & LOOKUP_FOLLOW)) { if (nd.inode->i_op->follow_link) - goto out_path; + goto out_path2; } error = -ENOTDIR; if (nd.flags & LOOKUP_DIRECTORY) { if (!nd.inode->i_op->lookup) - goto out_path; + goto out_path2; } audit_inode(pathname, nd.path.dentry); filp = finish_open(&nd, open_flag, acc_mode); +out2: release_open_intent(&nd); return filp; +out_path2: + path_put(&nd.path); +out_filp2: + filp = ERR_PTR(error); + goto out2; + creat: /* OK, have to create the file. Find the parent. */ error = path_init_rcu(dfd, pathname, diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 1cc600e77bb..2f8e61816d7 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -37,6 +37,7 @@ #include <linux/inet.h> #include <linux/nfs_xdr.h> #include <linux/slab.h> +#include <linux/compat.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -89,7 +90,11 @@ int nfs_wait_bit_killable(void *word) */ u64 nfs_compat_user_ino64(u64 fileid) { - int ino; +#ifdef CONFIG_COMPAT + compat_ulong_t ino; +#else + unsigned long ino; +#endif if (enable_ino64) return fileid; diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 7a747407314..1be36cf65bf 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -298,6 +298,11 @@ struct rpc_cred *nfs4_get_renew_cred_locked(struct nfs_client *clp); #if defined(CONFIG_NFS_V4_1) struct rpc_cred *nfs4_get_machine_cred_locked(struct nfs_client *clp); struct rpc_cred *nfs4_get_exchange_id_cred(struct nfs_client *clp); +extern void nfs4_schedule_session_recovery(struct nfs4_session *); +#else +static inline void nfs4_schedule_session_recovery(struct nfs4_session *session) +{ +} #endif /* CONFIG_NFS_V4_1 */ extern struct nfs4_state_owner * nfs4_get_state_owner(struct nfs_server *, struct rpc_cred *); @@ -307,10 +312,9 @@ extern void nfs4_put_open_state(struct nfs4_state *); extern void nfs4_close_state(struct path *, struct nfs4_state *, fmode_t); extern void nfs4_close_sync(struct path *, struct nfs4_state *, fmode_t); extern void nfs4_state_set_mode_locked(struct nfs4_state *, fmode_t); -extern void nfs4_schedule_state_recovery(struct nfs_client *); +extern void nfs4_schedule_lease_recovery(struct nfs_client *); extern void nfs4_schedule_state_manager(struct nfs_client *); -extern int nfs4_state_mark_reclaim_nograce(struct nfs_client *clp, struct nfs4_state *state); -extern int nfs4_state_mark_reclaim_reboot(struct nfs_client *clp, struct nfs4_state *state); +extern void nfs4_schedule_stateid_recovery(const struct nfs_server *, struct nfs4_state *); extern void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags); extern void nfs41_handle_recall_slot(struct nfs_client *clp); extern void nfs4_put_lock_state(struct nfs4_lock_state *lsp); diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c index f5c9b125e8c..b73c34375f6 100644 --- a/fs/nfs/nfs4filelayoutdev.c +++ b/fs/nfs/nfs4filelayoutdev.c @@ -219,6 +219,10 @@ decode_and_add_ds(__be32 **pp, struct inode *inode) goto out_err; } buf = kmalloc(rlen + 1, GFP_KERNEL); + if (!buf) { + dprintk("%s: Not enough memory\n", __func__); + goto out_err; + } buf[rlen] = '\0'; memcpy(buf, r_addr, rlen); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 78936a8f40a..0a07e353a96 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -256,12 +256,13 @@ static int nfs4_handle_exception(const struct nfs_server *server, int errorcode, case -NFS4ERR_OPENMODE: if (state == NULL) break; - nfs4_state_mark_reclaim_nograce(clp, state); - goto do_state_recovery; + nfs4_schedule_stateid_recovery(server, state); + goto wait_on_recovery; case -NFS4ERR_STALE_STATEID: case -NFS4ERR_STALE_CLIENTID: case -NFS4ERR_EXPIRED: - goto do_state_recovery; + nfs4_schedule_lease_recovery(clp); + goto wait_on_recovery; #if defined(CONFIG_NFS_V4_1) case -NFS4ERR_BADSESSION: case -NFS4ERR_BADSLOT: @@ -272,7 +273,7 @@ static int nfs4_handle_exception(const struct nfs_server *server, int errorcode, case -NFS4ERR_SEQ_MISORDERED: dprintk("%s ERROR: %d Reset session\n", __func__, errorcode); - nfs4_schedule_state_recovery(clp); + nfs4_schedule_session_recovery(clp->cl_session); exception->retry = 1; break; #endif /* defined(CONFIG_NFS_V4_1) */ @@ -295,8 +296,7 @@ static int nfs4_handle_exception(const struct nfs_server *server, int errorcode, } /* We failed to handle the error */ return nfs4_map_errors(ret); -do_state_recovery: - nfs4_schedule_state_recovery(clp); +wait_on_recovery: ret = nfs4_wait_clnt_recover(clp); if (ret == 0) exception->retry = 1; @@ -435,8 +435,8 @@ static int nfs41_sequence_done(struct rpc_task *task, struct nfs4_sequence_res * clp = res->sr_session->clp; do_renew_lease(clp, timestamp); /* Check sequence flags */ - if (atomic_read(&clp->cl_count) > 1) - nfs41_handle_sequence_flag_errors(clp, res->sr_status_flags); + if (res->sr_status_flags != 0) + nfs4_schedule_lease_recovery(clp); break; case -NFS4ERR_DELAY: /* The server detected a resend of the RPC call and @@ -1255,14 +1255,13 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state case -NFS4ERR_BAD_HIGH_SLOT: case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION: case -NFS4ERR_DEADSESSION: - nfs4_schedule_state_recovery( - server->nfs_client); + nfs4_schedule_session_recovery(server->nfs_client->cl_session); goto out; case -NFS4ERR_STALE_CLIENTID: case -NFS4ERR_STALE_STATEID: case -NFS4ERR_EXPIRED: /* Don't recall a delegation if it was lost */ - nfs4_schedule_state_recovery(server->nfs_client); + nfs4_schedule_lease_recovery(server->nfs_client); goto out; case -ERESTARTSYS: /* @@ -1271,7 +1270,7 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state */ case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_BAD_STATEID: - nfs4_state_mark_reclaim_nograce(server->nfs_client, state); + nfs4_schedule_stateid_recovery(server, state); case -EKEYEXPIRED: /* * User RPCSEC_GSS context has expired. @@ -1587,7 +1586,7 @@ static int nfs4_recover_expired_lease(struct nfs_server *server) if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) && !test_bit(NFS4CLNT_CHECK_LEASE,&clp->cl_state)) break; - nfs4_schedule_state_recovery(clp); + nfs4_schedule_state_manager(clp); ret = -EIO; } return ret; @@ -3178,7 +3177,7 @@ static void nfs4_renew_done(struct rpc_task *task, void *calldata) if (task->tk_status < 0) { /* Unless we're shutting down, schedule state recovery! */ if (test_bit(NFS_CS_RENEWD, &clp->cl_res_state) != 0) - nfs4_schedule_state_recovery(clp); + nfs4_schedule_lease_recovery(clp); return; } do_renew_lease(clp, timestamp); @@ -3252,6 +3251,35 @@ static void buf_to_pages(const void *buf, size_t buflen, } } +static int buf_to_pages_noslab(const void *buf, size_t buflen, + struct page **pages, unsigned int *pgbase) +{ + struct page *newpage, **spages; + int rc = 0; + size_t len; + spages = pages; + + do { + len = min_t(size_t, PAGE_CACHE_SIZE, buflen); + newpage = alloc_page(GFP_KERNEL); + + if (newpage == NULL) + goto unwind; + memcpy(page_address(newpage), buf, len); + buf += len; + buflen -= len; + *pages++ = newpage; + rc++; + } while (buflen != 0); + + return rc; + +unwind: + for(; rc > 0; rc--) + __free_page(spages[rc-1]); + return -ENOMEM; +} + struct nfs4_cached_acl { int cached; size_t len; @@ -3420,13 +3448,23 @@ static int __nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t bufl .rpc_argp = &arg, .rpc_resp = &res, }; - int ret; + int ret, i; if (!nfs4_server_supports_acls(server)) return -EOPNOTSUPP; + i = buf_to_pages_noslab(buf, buflen, arg.acl_pages, &arg.acl_pgbase); + if (i < 0) + return i; nfs_inode_return_delegation(inode); - buf_to_pages(buf, buflen, arg.acl_pages, &arg.acl_pgbase); ret = nfs4_call_sync(server, &msg, &arg, &res, 1); + + /* + * Free each page after tx, so the only ref left is + * held by the network stack + */ + for (; i > 0; i--) + put_page(pages[i-1]); + /* * Acl update can result in inode attribute update. * so mark the attribute cache invalid. @@ -3464,12 +3502,13 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server, case -NFS4ERR_OPENMODE: if (state == NULL) break; - nfs4_state_mark_reclaim_nograce(clp, state); - goto do_state_recovery; + nfs4_schedule_stateid_recovery(server, state); + goto wait_on_recovery; case -NFS4ERR_STALE_STATEID: case -NFS4ERR_STALE_CLIENTID: case -NFS4ERR_EXPIRED: - goto do_state_recovery; + nfs4_schedule_lease_recovery(clp); + goto wait_on_recovery; #if defined(CONFIG_NFS_V4_1) case -NFS4ERR_BADSESSION: case -NFS4ERR_BADSLOT: @@ -3480,7 +3519,7 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server, case -NFS4ERR_SEQ_MISORDERED: dprintk("%s ERROR %d, Reset session\n", __func__, task->tk_status); - nfs4_schedule_state_recovery(clp); + nfs4_schedule_session_recovery(clp->cl_session); task->tk_status = 0; return -EAGAIN; #endif /* CONFIG_NFS_V4_1 */ @@ -3497,9 +3536,8 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server, } task->tk_status = nfs4_map_errors(task->tk_status); return 0; -do_state_recovery: +wait_on_recovery: rpc_sleep_on(&clp->cl_rpcwaitq, task, NULL); - nfs4_schedule_state_recovery(clp); if (test_bit(NFS4CLNT_MANAGER_RUNNING, &clp->cl_state) == 0) rpc_wake_up_queued_task(&clp->cl_rpcwaitq, task); task->tk_status = 0; @@ -4110,7 +4148,7 @@ static void nfs4_lock_release(void *calldata) task = nfs4_do_unlck(&data->fl, data->ctx, data->lsp, data->arg.lock_seqid); if (!IS_ERR(task)) - rpc_put_task(task); + rpc_put_task_async(task); dprintk("%s: cancelling lock!\n", __func__); } else nfs_free_seqid(data->arg.lock_seqid); @@ -4134,23 +4172,18 @@ static const struct rpc_call_ops nfs4_recover_lock_ops = { static void nfs4_handle_setlk_error(struct nfs_server *server, struct nfs4_lock_state *lsp, int new_lock_owner, int error) { - struct nfs_client *clp = server->nfs_client; - struct nfs4_state *state = lsp->ls_state; - switch (error) { case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_BAD_STATEID: - case -NFS4ERR_EXPIRED: + lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED; if (new_lock_owner != 0 || (lsp->ls_flags & NFS_LOCK_INITIALIZED) != 0) - nfs4_state_mark_reclaim_nograce(clp, state); - lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED; + nfs4_schedule_stateid_recovery(server, lsp->ls_state); break; case -NFS4ERR_STALE_STATEID: - if (new_lock_owner != 0 || - (lsp->ls_flags & NFS_LOCK_INITIALIZED) != 0) - nfs4_state_mark_reclaim_reboot(clp, state); lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED; + case -NFS4ERR_EXPIRED: + nfs4_schedule_lease_recovery(server->nfs_client); }; } @@ -4366,12 +4399,14 @@ int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl) case -NFS4ERR_EXPIRED: case -NFS4ERR_STALE_CLIENTID: case -NFS4ERR_STALE_STATEID: + nfs4_schedule_lease_recovery(server->nfs_client); + goto out; case -NFS4ERR_BADSESSION: case -NFS4ERR_BADSLOT: case -NFS4ERR_BAD_HIGH_SLOT: case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION: case -NFS4ERR_DEADSESSION: - nfs4_schedule_state_recovery(server->nfs_client); + nfs4_schedule_session_recovery(server->nfs_client->cl_session); goto out; case -ERESTARTSYS: /* @@ -4381,7 +4416,7 @@ int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl) case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_BAD_STATEID: case -NFS4ERR_OPENMODE: - nfs4_state_mark_reclaim_nograce(server->nfs_client, state); + nfs4_schedule_stateid_recovery(server, state); err = 0; goto out; case -EKEYEXPIRED: @@ -4988,10 +5023,20 @@ int nfs4_proc_create_session(struct nfs_client *clp) int status; unsigned *ptr; struct nfs4_session *session = clp->cl_session; + long timeout = 0; + int err; dprintk("--> %s clp=%p session=%p\n", __func__, clp, session); - status = _nfs4_proc_create_session(clp); + do { + status = _nfs4_proc_create_session(clp); + if (status == -NFS4ERR_DELAY) { + err = nfs4_delay(clp->cl_rpcclient, &timeout); + if (err) + status = err; + } + } while (status == -NFS4ERR_DELAY); + if (status) goto out; @@ -5100,7 +5145,7 @@ static int nfs41_sequence_handle_errors(struct rpc_task *task, struct nfs_client rpc_delay(task, NFS4_POLL_RETRY_MAX); return -EAGAIN; default: - nfs4_schedule_state_recovery(clp); + nfs4_schedule_lease_recovery(clp); } return 0; } @@ -5187,7 +5232,7 @@ static int nfs41_proc_async_sequence(struct nfs_client *clp, struct rpc_cred *cr if (IS_ERR(task)) ret = PTR_ERR(task); else - rpc_put_task(task); + rpc_put_task_async(task); dprintk("<-- %s status=%d\n", __func__, ret); return ret; } @@ -5203,8 +5248,13 @@ static int nfs4_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred) goto out; } ret = rpc_wait_for_completion_task(task); - if (!ret) + if (!ret) { + struct nfs4_sequence_res *res = task->tk_msg.rpc_resp; + + if (task->tk_status == 0) + nfs41_handle_sequence_flag_errors(clp, res->sr_status_flags); ret = task->tk_status; + } rpc_put_task(task); out: dprintk("<-- %s status=%d\n", __func__, ret); @@ -5241,7 +5291,7 @@ static int nfs41_reclaim_complete_handle_errors(struct rpc_task *task, struct nf rpc_delay(task, NFS4_POLL_RETRY_MAX); return -EAGAIN; default: - nfs4_schedule_state_recovery(clp); + nfs4_schedule_lease_recovery(clp); } return 0; } @@ -5309,6 +5359,9 @@ static int nfs41_proc_reclaim_complete(struct nfs_client *clp) status = PTR_ERR(task); goto out; } + status = nfs4_wait_for_completion_rpc_task(task); + if (status == 0) + status = task->tk_status; rpc_put_task(task); return 0; out: diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index e6742b57a04..0592288f9f0 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1007,9 +1007,9 @@ void nfs4_schedule_state_manager(struct nfs_client *clp) } /* - * Schedule a state recovery attempt + * Schedule a lease recovery attempt */ -void nfs4_schedule_state_recovery(struct nfs_client *clp) +void nfs4_schedule_lease_recovery(struct nfs_client *clp) { if (!clp) return; @@ -1018,7 +1018,7 @@ void nfs4_schedule_state_recovery(struct nfs_client *clp) nfs4_schedule_state_manager(clp); } -int nfs4_state_mark_reclaim_reboot(struct nfs_client *clp, struct nfs4_state *state) +static int nfs4_state_mark_reclaim_reboot(struct nfs_client *clp, struct nfs4_state *state) { set_bit(NFS_STATE_RECLAIM_REBOOT, &state->flags); @@ -1032,7 +1032,7 @@ int nfs4_state_mark_reclaim_reboot(struct nfs_client *clp, struct nfs4_state *st return 1; } -int nfs4_state_mark_reclaim_nograce(struct nfs_client *clp, struct nfs4_state *state) +static int nfs4_state_mark_reclaim_nograce(struct nfs_client *clp, struct nfs4_state *state) { set_bit(NFS_STATE_RECLAIM_NOGRACE, &state->flags); clear_bit(NFS_STATE_RECLAIM_REBOOT, &state->flags); @@ -1041,6 +1041,14 @@ int nfs4_state_mark_reclaim_nograce(struct nfs_client *clp, struct nfs4_state *s return 1; } +void nfs4_schedule_stateid_recovery(const struct nfs_server *server, struct nfs4_state *state) +{ + struct nfs_client *clp = server->nfs_client; + + nfs4_state_mark_reclaim_nograce(clp, state); + nfs4_schedule_state_manager(clp); +} + static int nfs4_reclaim_locks(struct nfs4_state *state, const struct nfs4_state_recovery_ops *ops) { struct inode *inode = state->inode; @@ -1436,10 +1444,15 @@ static int nfs4_reclaim_lease(struct nfs_client *clp) } #ifdef CONFIG_NFS_V4_1 +void nfs4_schedule_session_recovery(struct nfs4_session *session) +{ + nfs4_schedule_lease_recovery(session->clp); +} + void nfs41_handle_recall_slot(struct nfs_client *clp) { set_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state); - nfs4_schedule_state_recovery(clp); + nfs4_schedule_state_manager(clp); } static void nfs4_reset_all_state(struct nfs_client *clp) @@ -1447,7 +1460,7 @@ static void nfs4_reset_all_state(struct nfs_client *clp) if (test_and_set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) == 0) { clp->cl_boot_time = CURRENT_TIME; nfs4_state_start_reclaim_nograce(clp); - nfs4_schedule_state_recovery(clp); + nfs4_schedule_state_manager(clp); } } @@ -1455,7 +1468,7 @@ static void nfs41_handle_server_reboot(struct nfs_client *clp) { if (test_and_set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) == 0) { nfs4_state_start_reclaim_reboot(clp); - nfs4_schedule_state_recovery(clp); + nfs4_schedule_state_manager(clp); } } @@ -1475,7 +1488,7 @@ static void nfs41_handle_cb_path_down(struct nfs_client *clp) { nfs_expire_all_delegations(clp); if (test_and_set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state) == 0) - nfs4_schedule_state_recovery(clp); + nfs4_schedule_state_manager(clp); } void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags) diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 4e2c168b6ee..94d50e86a12 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -1660,7 +1660,7 @@ static void encode_create_session(struct xdr_stream *xdr, p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12); *p++ = cpu_to_be32(OP_CREATE_SESSION); - p = xdr_encode_hyper(p, clp->cl_ex_clid); + p = xdr_encode_hyper(p, clp->cl_clientid); *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ *p++ = cpu_to_be32(args->flags); /*flags */ @@ -4694,7 +4694,7 @@ static int decode_exchange_id(struct xdr_stream *xdr, p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) goto out_overflow; - xdr_decode_hyper(p, &clp->cl_ex_clid); + xdr_decode_hyper(p, &clp->cl_clientid); p = xdr_inline_decode(xdr, 12); if (unlikely(!p)) goto out_overflow; diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c index 903908a2002..c541093a5bf 100644 --- a/fs/nfs/nfsroot.c +++ b/fs/nfs/nfsroot.c @@ -86,11 +86,14 @@ /* Default path we try to mount. "%s" gets replaced by our IP address */ #define NFS_ROOT "/tftpboot/%s" +/* Default NFSROOT mount options. */ +#define NFS_DEF_OPTIONS "udp" + /* Parameters passed from the kernel command line */ static char nfs_root_parms[256] __initdata = ""; /* Text-based mount options passed to super.c */ -static char nfs_root_options[256] __initdata = ""; +static char nfs_root_options[256] __initdata = NFS_DEF_OPTIONS; /* Address of NFS server */ static __be32 servaddr __initdata = htonl(INADDR_NONE); @@ -160,8 +163,14 @@ static int __init root_nfs_copy(char *dest, const char *src, } static int __init root_nfs_cat(char *dest, const char *src, - const size_t destlen) + const size_t destlen) { + size_t len = strlen(dest); + + if (len && dest[len - 1] != ',') + if (strlcat(dest, ",", destlen) > destlen) + return -1; + if (strlcat(dest, src, destlen) > destlen) return -1; return 0; @@ -194,16 +203,6 @@ static int __init root_nfs_parse_options(char *incoming, char *exppath, if (root_nfs_cat(nfs_root_options, incoming, sizeof(nfs_root_options))) return -1; - - /* - * Possibly prepare for more options to be appended - */ - if (nfs_root_options[0] != '\0' && - nfs_root_options[strlen(nfs_root_options)] != ',') - if (root_nfs_cat(nfs_root_options, ",", - sizeof(nfs_root_options))) - return -1; - return 0; } @@ -217,7 +216,7 @@ static int __init root_nfs_parse_options(char *incoming, char *exppath, */ static int __init root_nfs_data(char *cmdline) { - char addr_option[sizeof("nolock,addr=") + INET_ADDRSTRLEN + 1]; + char mand_options[sizeof("nolock,addr=") + INET_ADDRSTRLEN + 1]; int len, retval = -1; char *tmp = NULL; const size_t tmplen = sizeof(nfs_export_path); @@ -244,9 +243,9 @@ static int __init root_nfs_data(char *cmdline) * Append mandatory options for nfsroot so they override * what has come before */ - snprintf(addr_option, sizeof(addr_option), "nolock,addr=%pI4", + snprintf(mand_options, sizeof(mand_options), "nolock,addr=%pI4", &servaddr); - if (root_nfs_cat(nfs_root_options, addr_option, + if (root_nfs_cat(nfs_root_options, mand_options, sizeof(nfs_root_options))) goto out_optionstoolong; diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c index e313a51acdd..6481d537d69 100644 --- a/fs/nfs/unlink.c +++ b/fs/nfs/unlink.c @@ -180,7 +180,7 @@ static int nfs_do_call_unlink(struct dentry *parent, struct inode *dir, struct n task_setup_data.rpc_client = NFS_CLIENT(dir); task = rpc_run_task(&task_setup_data); if (!IS_ERR(task)) - rpc_put_task(task); + rpc_put_task_async(task); return 1; } diff --git a/fs/nfs/write.c b/fs/nfs/write.c index c8278f4046c..42b92d7a9cc 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -1292,6 +1292,8 @@ static int nfs_commit_rpcsetup(struct list_head *head, task = rpc_run_task(&task_setup_data); if (IS_ERR(task)) return PTR_ERR(task); + if (how & FLUSH_SYNC) + rpc_wait_for_completion_task(task); rpc_put_task(task); return 0; } diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index cde36cb0f34..02eb4edf0ec 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -432,7 +432,7 @@ static int decode_cb_sequence4resok(struct xdr_stream *xdr, * If the server returns different values for sessionID, slotID or * sequence number, the server is looney tunes. */ - p = xdr_inline_decode(xdr, NFS4_MAX_SESSIONID_LEN + 4 + 4); + p = xdr_inline_decode(xdr, NFS4_MAX_SESSIONID_LEN + 4 + 4 + 4 + 4); if (unlikely(p == NULL)) goto out_overflow; memcpy(id.data, p, NFS4_MAX_SESSIONID_LEN); diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 54b60bfceb8..7b566ec14e1 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2445,15 +2445,16 @@ nfs4_check_delegmode(struct nfs4_delegation *dp, int flags) static struct nfs4_delegation * find_delegation_file(struct nfs4_file *fp, stateid_t *stid) { - struct nfs4_delegation *dp = NULL; + struct nfs4_delegation *dp; spin_lock(&recall_lock); - list_for_each_entry(dp, &fp->fi_delegations, dl_perfile) { - if (dp->dl_stateid.si_stateownerid == stid->si_stateownerid) - break; - } + list_for_each_entry(dp, &fp->fi_delegations, dl_perfile) + if (dp->dl_stateid.si_stateownerid == stid->si_stateownerid) { + spin_unlock(&recall_lock); + return dp; + } spin_unlock(&recall_lock); - return dp; + return NULL; } int share_access_to_flags(u32 share_access) diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 1275b865507..615f0a9f060 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1142,7 +1142,7 @@ nfsd4_decode_create_session(struct nfsd4_compoundargs *argp, u32 dummy; char *machine_name; - int i; + int i, j; int nr_secflavs; READ_BUF(16); @@ -1215,7 +1215,7 @@ nfsd4_decode_create_session(struct nfsd4_compoundargs *argp, READ_BUF(4); READ32(dummy); READ_BUF(dummy * 4); - for (i = 0; i < dummy; ++i) + for (j = 0; j < dummy; ++j) READ32(dummy); break; case RPC_AUTH_GSS: diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c index 98034271cd0..161791d2645 100644 --- a/fs/nilfs2/namei.c +++ b/fs/nilfs2/namei.c @@ -397,7 +397,6 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, new_de = nilfs_find_entry(new_dir, &new_dentry->d_name, &new_page); if (!new_de) goto out_dir; - inc_nlink(old_inode); nilfs_set_link(new_dir, new_de, new_page, old_inode); nilfs_mark_inode_dirty(new_dir); new_inode->i_ctime = CURRENT_TIME; @@ -411,13 +410,9 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (new_dir->i_nlink >= NILFS_LINK_MAX) goto out_dir; } - inc_nlink(old_inode); err = nilfs_add_link(new_dentry, old_inode); - if (err) { - drop_nlink(old_inode); - nilfs_mark_inode_dirty(old_inode); + if (err) goto out_dir; - } if (dir_de) { inc_nlink(new_dir); nilfs_mark_inode_dirty(new_dir); @@ -431,7 +426,6 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, old_inode->i_ctime = CURRENT_TIME; nilfs_delete_entry(old_de, old_page); - drop_nlink(old_inode); if (dir_de) { nilfs_set_link(old_inode, dir_de, dir_page, new_dir); diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 55ebae5c7f3..2de9f636792 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -430,7 +430,8 @@ static void nilfs_segctor_begin_finfo(struct nilfs_sc_info *sci, nilfs_segctor_map_segsum_entry( sci, &sci->sc_binfo_ptr, sizeof(struct nilfs_finfo)); - if (inode->i_sb && !test_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags)) + if (NILFS_I(inode)->i_root && + !test_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags)) set_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags); /* skip finfo */ } diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c index 6d80ecc7834..7eb90403fc8 100644 --- a/fs/ocfs2/dcache.c +++ b/fs/ocfs2/dcache.c @@ -56,7 +56,7 @@ static int ocfs2_dentry_revalidate(struct dentry *dentry, int ret = 0; /* if all else fails, just return false */ struct ocfs2_super *osb; - if (nd->flags & LOOKUP_RCU) + if (nd && nd->flags & LOOKUP_RCU) return -ECHILD; inode = dentry->d_inode; diff --git a/fs/open.c b/fs/open.c index 5a2c6ebc22b..b47aab39c05 100644 --- a/fs/open.c +++ b/fs/open.c @@ -233,6 +233,14 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len) if (!(file->f_mode & FMODE_WRITE)) return -EBADF; + + /* It's not possible punch hole on append only file */ + if (mode & FALLOC_FL_PUNCH_HOLE && IS_APPEND(inode)) + return -EPERM; + + if (IS_IMMUTABLE(inode)) + return -EPERM; + /* * Revalidate the write permissions, in case security policy has * changed since the files were opened. diff --git a/fs/partitions/osf.c b/fs/partitions/osf.c index 48cec7cbca1..be03a0b08b4 100644 --- a/fs/partitions/osf.c +++ b/fs/partitions/osf.c @@ -10,10 +10,13 @@ #include "check.h" #include "osf.h" +#define MAX_OSF_PARTITIONS 8 + int osf_partition(struct parsed_partitions *state) { int i; int slot = 1; + unsigned int npartitions; Sector sect; unsigned char *data; struct disklabel { @@ -45,7 +48,7 @@ int osf_partition(struct parsed_partitions *state) u8 p_fstype; u8 p_frag; __le16 p_cpg; - } d_partitions[8]; + } d_partitions[MAX_OSF_PARTITIONS]; } * label; struct d_partition * partition; @@ -63,7 +66,12 @@ int osf_partition(struct parsed_partitions *state) put_dev_sector(sect); return 0; } - for (i = 0 ; i < le16_to_cpu(label->d_npartitions); i++, partition++) { + npartitions = le16_to_cpu(label->d_npartitions); + if (npartitions > MAX_OSF_PARTITIONS) { + put_dev_sector(sect); + return 0; + } + for (i = 0 ; i < npartitions; i++, partition++) { if (slot == state->limit) break; if (le32_to_cpu(partition->p_size)) diff --git a/fs/proc/base.c b/fs/proc/base.c index 9d096e82b20..d49c4b5d2c3 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -2620,35 +2620,6 @@ static const struct pid_entry proc_base_stuff[] = { &proc_self_inode_operations, NULL, {}), }; -/* - * Exceptional case: normally we are not allowed to unhash a busy - * directory. In this case, however, we can do it - no aliasing problems - * due to the way we treat inodes. - */ -static int proc_base_revalidate(struct dentry *dentry, struct nameidata *nd) -{ - struct inode *inode; - struct task_struct *task; - - if (nd->flags & LOOKUP_RCU) - return -ECHILD; - - inode = dentry->d_inode; - task = get_proc_task(inode); - if (task) { - put_task_struct(task); - return 1; - } - d_drop(dentry); - return 0; -} - -static const struct dentry_operations proc_base_dentry_operations = -{ - .d_revalidate = proc_base_revalidate, - .d_delete = pid_delete_dentry, -}; - static struct dentry *proc_base_instantiate(struct inode *dir, struct dentry *dentry, struct task_struct *task, const void *ptr) { @@ -2685,7 +2656,6 @@ static struct dentry *proc_base_instantiate(struct inode *dir, if (p->fop) inode->i_fop = p->fop; ei->op = p->op; - d_set_d_op(dentry, &proc_base_dentry_operations); d_add(dentry, inode); error = NULL; out: diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 176ce4cda68..d6a7ca1fdac 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -27,6 +27,7 @@ static void proc_evict_inode(struct inode *inode) { struct proc_dir_entry *de; + struct ctl_table_header *head; truncate_inode_pages(&inode->i_data, 0); end_writeback(inode); @@ -38,8 +39,11 @@ static void proc_evict_inode(struct inode *inode) de = PROC_I(inode)->pde; if (de) pde_put(de); - if (PROC_I(inode)->sysctl) - sysctl_head_put(PROC_I(inode)->sysctl); + head = PROC_I(inode)->sysctl; + if (head) { + rcu_assign_pointer(PROC_I(inode)->sysctl, NULL); + sysctl_head_put(head); + } } struct vfsmount *proc_mnt; diff --git a/fs/proc/proc_devtree.c b/fs/proc/proc_devtree.c index d9396a4fc7f..927cbd115e5 100644 --- a/fs/proc/proc_devtree.c +++ b/fs/proc/proc_devtree.c @@ -233,7 +233,7 @@ void __init proc_device_tree_init(void) return; root = of_find_node_by_path("/"); if (root == NULL) { - printk(KERN_ERR "/proc/device-tree: can't find root\n"); + pr_debug("/proc/device-tree: can't find root\n"); return; } proc_device_tree_add_node(root, proc_device_tree); diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 09a1f92a34e..8eb2522111c 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -408,15 +408,18 @@ static int proc_sys_compare(const struct dentry *parent, const struct dentry *dentry, const struct inode *inode, unsigned int len, const char *str, const struct qstr *name) { + struct ctl_table_header *head; /* Although proc doesn't have negative dentries, rcu-walk means * that inode here can be NULL */ + /* AV: can it, indeed? */ if (!inode) - return 0; + return 1; if (name->len != len) return 1; if (memcmp(name->name, str, len)) return 1; - return !sysctl_is_seen(PROC_I(inode)->sysctl); + head = rcu_dereference(PROC_I(inode)->sysctl); + return !head || !sysctl_is_seen(head); } static const struct dentry_operations proc_sys_dentry_operations = { diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c index ba5f51ec345..68fdf45cc6c 100644 --- a/fs/reiserfs/namei.c +++ b/fs/reiserfs/namei.c @@ -771,7 +771,7 @@ static int reiserfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) EMPTY_DIR_SIZE_V1 : EMPTY_DIR_SIZE, dentry, inode, &security); if (retval) { - dir->i_nlink--; + DEC_DIR_INODE_NLINK(dir) goto out_failed; } diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c index 3cfb2e93364..5c11ca82b78 100644 --- a/fs/reiserfs/xattr.c +++ b/fs/reiserfs/xattr.c @@ -978,8 +978,6 @@ int reiserfs_permission(struct inode *inode, int mask, unsigned int flags) static int xattr_hide_revalidate(struct dentry *dentry, struct nameidata *nd) { - if (nd->flags & LOOKUP_RCU) - return -ECHILD; return -EPERM; } diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c index b427b1208c2..e474fbcf8bd 100644 --- a/fs/sysv/namei.c +++ b/fs/sysv/namei.c @@ -245,7 +245,6 @@ static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry, new_de = sysv_find_entry(new_dentry, &new_page); if (!new_de) goto out_dir; - inode_inc_link_count(old_inode); sysv_set_link(new_de, new_page, old_inode); new_inode->i_ctime = CURRENT_TIME_SEC; if (dir_de) @@ -257,18 +256,15 @@ static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry, if (new_dir->i_nlink >= SYSV_SB(new_dir->i_sb)->s_link_max) goto out_dir; } - inode_inc_link_count(old_inode); err = sysv_add_link(new_dentry, old_inode); - if (err) { - inode_dec_link_count(old_inode); + if (err) goto out_dir; - } if (dir_de) inode_inc_link_count(new_dir); } sysv_delete_entry(old_de, old_page); - inode_dec_link_count(old_inode); + mark_inode_dirty(old_inode); if (dir_de) { sysv_set_link(dir_de, dir_page, new_dir); diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 2be0f9eb86d..b7c338d5e9d 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -32,6 +32,8 @@ #include <linux/crc-itu-t.h> #include <linux/exportfs.h> +enum { UDF_MAX_LINKS = 0xffff }; + static inline int udf_match(int len1, const unsigned char *name1, int len2, const unsigned char *name2) { @@ -650,7 +652,7 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode) struct udf_inode_info *iinfo; err = -EMLINK; - if (dir->i_nlink >= (256 << sizeof(dir->i_nlink)) - 1) + if (dir->i_nlink >= UDF_MAX_LINKS) goto out; err = -EIO; @@ -1034,9 +1036,8 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, struct fileIdentDesc cfi, *fi; int err; - if (inode->i_nlink >= (256 << sizeof(inode->i_nlink)) - 1) { + if (inode->i_nlink >= UDF_MAX_LINKS) return -EMLINK; - } fi = udf_add_entry(dir, dentry, &fibh, &cfi, &err); if (!fi) { @@ -1131,9 +1132,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, goto end_rename; retval = -EMLINK; - if (!new_inode && - new_dir->i_nlink >= - (256 << sizeof(new_dir->i_nlink)) - 1) + if (!new_inode && new_dir->i_nlink >= UDF_MAX_LINKS) goto end_rename; } if (!nfi) { diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c index 12f39b9e443..d6f681535eb 100644 --- a/fs/ufs/namei.c +++ b/fs/ufs/namei.c @@ -306,7 +306,6 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry, new_de = ufs_find_entry(new_dir, &new_dentry->d_name, &new_page); if (!new_de) goto out_dir; - inode_inc_link_count(old_inode); ufs_set_link(new_dir, new_de, new_page, old_inode); new_inode->i_ctime = CURRENT_TIME_SEC; if (dir_de) @@ -318,12 +317,9 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry, if (new_dir->i_nlink >= UFS_LINK_MAX) goto out_dir; } - inode_inc_link_count(old_inode); err = ufs_add_link(new_dentry, old_inode); - if (err) { - inode_dec_link_count(old_inode); + if (err) goto out_dir; - } if (dir_de) inode_inc_link_count(new_dir); } @@ -331,12 +327,11 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry, /* * Like most other Unix systems, set the ctime for inodes on a * rename. - * inode_dec_link_count() will mark the inode dirty. */ old_inode->i_ctime = CURRENT_TIME_SEC; ufs_delete_entry(old_dir, old_de, old_page); - inode_dec_link_count(old_inode); + mark_inode_dirty(old_inode); if (dir_de) { ufs_set_link(old_inode, dir_de, dir_page, new_dir); diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index f5e2a19e0f8..0ca0e3c024d 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -695,14 +695,19 @@ xfs_ioc_fsgeometry_v1( xfs_mount_t *mp, void __user *arg) { - xfs_fsop_geom_v1_t fsgeo; + xfs_fsop_geom_t fsgeo; int error; - error = xfs_fs_geometry(mp, (xfs_fsop_geom_t *)&fsgeo, 3); + error = xfs_fs_geometry(mp, &fsgeo, 3); if (error) return -error; - if (copy_to_user(arg, &fsgeo, sizeof(fsgeo))) + /* + * Caller should have passed an argument of type + * xfs_fsop_geom_v1_t. This is a proper subset of the + * xfs_fsop_geom_t that xfs_fs_geometry() fills in. + */ + if (copy_to_user(arg, &fsgeo, sizeof(xfs_fsop_geom_v1_t))) return -XFS_ERROR(EFAULT); return 0; } diff --git a/include/keys/rxrpc-type.h b/include/keys/rxrpc-type.h index 5cb86c307f5..fc487543381 100644 --- a/include/keys/rxrpc-type.h +++ b/include/keys/rxrpc-type.h @@ -99,7 +99,6 @@ struct rxrpc_key_token { * structure of raw payloads passed to add_key() or instantiate key */ struct rxrpc_key_data_v1 { - u32 kif_version; /* 1 */ u16 security_index; u16 ticket_length; u32 expiry; /* time_t */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 4d18ff34670..d5063e1b555 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -699,7 +699,7 @@ extern void blk_start_queue(struct request_queue *q); extern void blk_stop_queue(struct request_queue *q); extern void blk_sync_queue(struct request_queue *q); extern void __blk_stop_queue(struct request_queue *q); -extern void __blk_run_queue(struct request_queue *); +extern void __blk_run_queue(struct request_queue *q, bool force_kblockd); extern void blk_run_queue(struct request_queue *); extern int blk_rq_map_user(struct request_queue *, struct request *, struct rq_map_data *, void __user *, unsigned long, @@ -1088,7 +1088,6 @@ static inline void put_dev_sector(Sector p) struct work_struct; int kblockd_schedule_work(struct request_queue *q, struct work_struct *work); -int kblockd_schedule_delayed_work(struct request_queue *q, struct delayed_work *dwork, unsigned long delay); #ifdef CONFIG_BLK_CGROUP /* @@ -1136,7 +1135,6 @@ static inline uint64_t rq_io_start_time_ns(struct request *req) extern int blk_throtl_init(struct request_queue *q); extern void blk_throtl_exit(struct request_queue *q); extern int blk_throtl_bio(struct request_queue *q, struct bio **bio); -extern void throtl_schedule_delayed_work(struct request_queue *q, unsigned long delay); extern void throtl_shutdown_timer_wq(struct request_queue *q); #else /* CONFIG_BLK_DEV_THROTTLING */ static inline int blk_throtl_bio(struct request_queue *q, struct bio **bio) @@ -1146,7 +1144,6 @@ static inline int blk_throtl_bio(struct request_queue *q, struct bio **bio) static inline int blk_throtl_init(struct request_queue *q) { return 0; } static inline int blk_throtl_exit(struct request_queue *q) { return 0; } -static inline void throtl_schedule_delayed_work(struct request_queue *q, unsigned long delay) {} static inline void throtl_shutdown_timer_wq(struct request_queue *q) {} #endif /* CONFIG_BLK_DEV_THROTTLING */ diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 3395cf7130f..b22fb0d3db0 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -245,7 +245,6 @@ static inline int blk_cmd_buf_len(struct request *rq) extern void blk_dump_cmd(char *buf, struct request *rq); extern void blk_fill_rwbs(char *rwbs, u32 rw, int bytes); -extern void blk_fill_rwbs_rq(char *rwbs, struct request *rq); #endif /* CONFIG_EVENT_TRACING && CONFIG_BLOCK */ diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h index c3011beac30..31d91a64838 100644 --- a/include/linux/ceph/messenger.h +++ b/include/linux/ceph/messenger.h @@ -123,6 +123,7 @@ struct ceph_msg_pos { #define SOCK_CLOSED 11 /* socket state changed to closed */ #define OPENING 13 /* open connection w/ (possibly new) peer */ #define DEAD 14 /* dead, about to kfree */ +#define BACKOFF 15 /* * A single connection with another host. @@ -160,7 +161,6 @@ struct ceph_connection { struct list_head out_queue; struct list_head out_sent; /* sending or sent but unacked */ u64 out_seq; /* last message queued for send */ - bool out_keepalive_pending; u64 in_seq, in_seq_acked; /* last message received, acked */ diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 0b84c61607e..dca31761b31 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -332,16 +332,19 @@ alloc_pages(gfp_t gfp_mask, unsigned int order) return alloc_pages_current(gfp_mask, order); } extern struct page *alloc_pages_vma(gfp_t gfp_mask, int order, - struct vm_area_struct *vma, unsigned long addr); + struct vm_area_struct *vma, unsigned long addr, + int node); #else #define alloc_pages(gfp_mask, order) \ alloc_pages_node(numa_node_id(), gfp_mask, order) -#define alloc_pages_vma(gfp_mask, order, vma, addr) \ +#define alloc_pages_vma(gfp_mask, order, vma, addr, node) \ alloc_pages(gfp_mask, order) #endif #define alloc_page(gfp_mask) alloc_pages(gfp_mask, 0) -#define alloc_page_vma(gfp_mask, vma, addr) \ - alloc_pages_vma(gfp_mask, 0, vma, addr) +#define alloc_page_vma(gfp_mask, vma, addr) \ + alloc_pages_vma(gfp_mask, 0, vma, addr, numa_node_id()) +#define alloc_page_vma_node(gfp_mask, vma, addr, node) \ + alloc_pages_vma(gfp_mask, 0, vma, addr, node) extern unsigned long __get_free_pages(gfp_t gfp_mask, unsigned int order); extern unsigned long get_zeroed_page(gfp_t gfp_mask); diff --git a/include/linux/mfd/wm8994/core.h b/include/linux/mfd/wm8994/core.h index 3fd36845ca4..ef4f0b6083a 100644 --- a/include/linux/mfd/wm8994/core.h +++ b/include/linux/mfd/wm8994/core.h @@ -71,6 +71,7 @@ struct wm8994 { u16 irq_masks_cache[WM8994_NUM_IRQ_REGS]; /* Used over suspend/resume */ + bool suspended; u16 ldo_regs[WM8994_NUM_LDO_REGS]; u16 gpio_regs[WM8994_NUM_GPIO_REGS]; diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index d971346b034..71caf7a5e6c 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2392,6 +2392,9 @@ extern int netdev_notice(const struct net_device *dev, const char *format, ...) extern int netdev_info(const struct net_device *dev, const char *format, ...) __attribute__ ((format (printf, 2, 3))); +#define MODULE_ALIAS_NETDEV(device) \ + MODULE_ALIAS("netdev-" device) + #if defined(DEBUG) #define netdev_dbg(__dev, format, args...) \ netdev_printk(KERN_DEBUG, __dev, format, ##args) diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index b197563913b..3e112de12d8 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -68,11 +68,7 @@ struct nfs_client { unsigned char cl_id_uniquifier; u32 cl_cb_ident; /* v4.0 callback identifier */ const struct nfs4_minor_version_ops *cl_mvops; -#endif /* CONFIG_NFS_V4 */ -#ifdef CONFIG_NFS_V4_1 - /* clientid returned from EXCHANGE_ID, used by session operations */ - u64 cl_ex_clid; /* The sequence id to use for the next CREATE_SESSION */ u32 cl_seqid; /* The flags used for obtaining the clientid during EXCHANGE_ID */ @@ -80,7 +76,7 @@ struct nfs_client { struct nfs4_session *cl_session; /* sharred session */ struct list_head cl_layouts; struct pnfs_deviceid_cache *cl_devid_cache; /* pNFS deviceid cache */ -#endif /* CONFIG_NFS_V4_1 */ +#endif /* CONFIG_NFS_V4 */ #ifdef CONFIG_NFS_FSCACHE struct fscache_cookie *fscache; /* client index cache cookie */ @@ -185,7 +181,7 @@ struct nfs_server { /* maximum number of slots to use */ #define NFS4_MAX_SLOT_TABLE RPC_MAX_SLOT_TABLE -#if defined(CONFIG_NFS_V4_1) +#if defined(CONFIG_NFS_V4) /* Sessions */ #define SLOT_TABLE_SZ (NFS4_MAX_SLOT_TABLE/(8*sizeof(long))) @@ -225,5 +221,5 @@ struct nfs4_session { struct nfs_client *clp; }; -#endif /* CONFIG_NFS_V4_1 */ +#endif /* CONFIG_NFS_V4 */ #endif diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 092a04f874a..a1147e5dd24 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -102,11 +102,8 @@ extern long arch_ptrace(struct task_struct *child, long request, unsigned long addr, unsigned long data); -extern int ptrace_traceme(void); extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst, int len); extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len); -extern int ptrace_attach(struct task_struct *tsk); -extern int ptrace_detach(struct task_struct *, unsigned int); extern void ptrace_disable(struct task_struct *); extern int ptrace_check_attach(struct task_struct *task, int kill); extern int ptrace_request(struct task_struct *child, long request, diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index 88513fd8e20..d81db8012c6 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -212,6 +212,7 @@ struct rpc_task *rpc_run_task(const struct rpc_task_setup *); struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req, const struct rpc_call_ops *ops); void rpc_put_task(struct rpc_task *); +void rpc_put_task_async(struct rpc_task *); void rpc_exit_task(struct rpc_task *); void rpc_exit(struct rpc_task *, int); void rpc_release_calldata(const struct rpc_call_ops *, void *); diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 7bb5cb64f3b..11684d9e6bd 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -930,6 +930,7 @@ enum #ifdef __KERNEL__ #include <linux/list.h> +#include <linux/rcupdate.h> /* For the /proc/sys support */ struct ctl_table; @@ -1037,10 +1038,15 @@ struct ctl_table_root { struct ctl_table trees. */ struct ctl_table_header { - struct ctl_table *ctl_table; - struct list_head ctl_entry; - int used; - int count; + union { + struct { + struct ctl_table *ctl_table; + struct list_head ctl_entry; + int used; + int count; + }; + struct rcu_head rcu; + }; struct completion *unregistering; struct ctl_table *ctl_table_arg; struct ctl_table_root *root; diff --git a/include/target/target_core_transport.h b/include/target/target_core_transport.h index 24694051157..2e8ec51f061 100644 --- a/include/target/target_core_transport.h +++ b/include/target/target_core_transport.h @@ -135,6 +135,8 @@ extern void transport_complete_task(struct se_task *, int); extern void transport_add_task_to_execute_queue(struct se_task *, struct se_task *, struct se_device *); +extern void transport_remove_task_from_execute_queue(struct se_task *, + struct se_device *); unsigned char *transport_dump_cmd_direction(struct se_cmd *); extern void transport_dump_dev_state(struct se_device *, char *, int *); extern void transport_dump_dev_info(struct se_device *, struct se_lun *, diff --git a/include/trace/events/block.h b/include/trace/events/block.h index aba421d68f6..78f18adb49c 100644 --- a/include/trace/events/block.h +++ b/include/trace/events/block.h @@ -31,7 +31,7 @@ DECLARE_EVENT_CLASS(block_rq_with_error, 0 : blk_rq_sectors(rq); __entry->errors = rq->errors; - blk_fill_rwbs_rq(__entry->rwbs, rq); + blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq)); blk_dump_cmd(__get_str(cmd), rq); ), @@ -118,7 +118,7 @@ DECLARE_EVENT_CLASS(block_rq, __entry->bytes = (rq->cmd_type == REQ_TYPE_BLOCK_PC) ? blk_rq_bytes(rq) : 0; - blk_fill_rwbs_rq(__entry->rwbs, rq); + blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq)); blk_dump_cmd(__get_str(cmd), rq); memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), @@ -563,7 +563,7 @@ TRACE_EVENT(block_rq_remap, __entry->nr_sector = blk_rq_sectors(rq); __entry->old_dev = dev; __entry->old_sector = from; - blk_fill_rwbs_rq(__entry->rwbs, rq); + blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq)); ), TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu", diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 4349935c2ad..e92e9818903 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -1575,8 +1575,10 @@ static int cpuset_write_resmask(struct cgroup *cgrp, struct cftype *cft, return -ENODEV; trialcs = alloc_trial_cpuset(cs); - if (!trialcs) - return -ENOMEM; + if (!trialcs) { + retval = -ENOMEM; + goto out; + } switch (cft->private) { case FILE_CPULIST: @@ -1591,6 +1593,7 @@ static int cpuset_write_resmask(struct cgroup *cgrp, struct cftype *cft, } free_trial_cpuset(trialcs); +out: cgroup_unlock(); return retval; } diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 1708b1e2972..e2302e40b36 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -163,7 +163,7 @@ bool ptrace_may_access(struct task_struct *task, unsigned int mode) return !err; } -int ptrace_attach(struct task_struct *task) +static int ptrace_attach(struct task_struct *task) { int retval; @@ -219,7 +219,7 @@ out: * Performs checks and sets PT_PTRACED. * Should be used by all ptrace implementations for PTRACE_TRACEME. */ -int ptrace_traceme(void) +static int ptrace_traceme(void) { int ret = -EPERM; @@ -293,7 +293,7 @@ static bool __ptrace_detach(struct task_struct *tracer, struct task_struct *p) return false; } -int ptrace_detach(struct task_struct *child, unsigned int data) +static int ptrace_detach(struct task_struct *child, unsigned int data) { bool dead = false; diff --git a/kernel/sched.c b/kernel/sched.c index 18d38e4ec7b..42eab5a8437 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -4213,6 +4213,7 @@ void __wake_up_locked_key(wait_queue_head_t *q, unsigned int mode, void *key) { __wake_up_common(q, mode, 1, 0, key); } +EXPORT_SYMBOL_GPL(__wake_up_locked_key); /** * __wake_up_sync_key - wake up threads blocked on a waitqueue. diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index ad6267714c8..01f75a5f17a 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -210,11 +210,12 @@ static void dequeue_rt_entity(struct sched_rt_entity *rt_se); static void sched_rt_rq_enqueue(struct rt_rq *rt_rq) { - int this_cpu = smp_processor_id(); struct task_struct *curr = rq_of_rt_rq(rt_rq)->curr; struct sched_rt_entity *rt_se; - rt_se = rt_rq->tg->rt_se[this_cpu]; + int cpu = cpu_of(rq_of_rt_rq(rt_rq)); + + rt_se = rt_rq->tg->rt_se[cpu]; if (rt_rq->rt_nr_running) { if (rt_se && !on_rt_rq(rt_se)) @@ -226,10 +227,10 @@ static void sched_rt_rq_enqueue(struct rt_rq *rt_rq) static void sched_rt_rq_dequeue(struct rt_rq *rt_rq) { - int this_cpu = smp_processor_id(); struct sched_rt_entity *rt_se; + int cpu = cpu_of(rq_of_rt_rq(rt_rq)); - rt_se = rt_rq->tg->rt_se[this_cpu]; + rt_se = rt_rq->tg->rt_se[cpu]; if (rt_se && on_rt_rq(rt_se)) dequeue_rt_entity(rt_se); @@ -565,8 +566,11 @@ static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun) if (rt_rq->rt_time || rt_rq->rt_nr_running) idle = 0; raw_spin_unlock(&rt_rq->rt_runtime_lock); - } else if (rt_rq->rt_nr_running) + } else if (rt_rq->rt_nr_running) { idle = 0; + if (!rt_rq_throttled(rt_rq)) + enqueue = 1; + } if (enqueue) sched_rt_rq_enqueue(rt_rq); diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 0f1bd83db98..4eed0af5d14 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -194,9 +194,9 @@ static int sysrq_sysctl_handler(ctl_table *table, int write, static struct ctl_table root_table[]; static struct ctl_table_root sysctl_table_root; static struct ctl_table_header root_table_header = { - .count = 1, + {{.count = 1, .ctl_table = root_table, - .ctl_entry = LIST_HEAD_INIT(sysctl_table_root.default_set.list), + .ctl_entry = LIST_HEAD_INIT(sysctl_table_root.default_set.list),}}, .root = &sysctl_table_root, .set = &sysctl_table_root.default_set, }; @@ -1567,11 +1567,16 @@ void sysctl_head_get(struct ctl_table_header *head) spin_unlock(&sysctl_lock); } +static void free_head(struct rcu_head *rcu) +{ + kfree(container_of(rcu, struct ctl_table_header, rcu)); +} + void sysctl_head_put(struct ctl_table_header *head) { spin_lock(&sysctl_lock); if (!--head->count) - kfree(head); + call_rcu(&head->rcu, free_head); spin_unlock(&sysctl_lock); } @@ -1948,10 +1953,10 @@ void unregister_sysctl_table(struct ctl_table_header * header) start_unregistering(header); if (!--header->parent->count) { WARN_ON(1); - kfree(header->parent); + call_rcu(&header->parent->rcu, free_head); } if (!--header->count) - kfree(header); + call_rcu(&header->rcu, free_head); spin_unlock(&sysctl_lock); } diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index d95721f3370..cbafed7d4f3 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -1827,21 +1827,5 @@ void blk_fill_rwbs(char *rwbs, u32 rw, int bytes) rwbs[i] = '\0'; } -void blk_fill_rwbs_rq(char *rwbs, struct request *rq) -{ - int rw = rq->cmd_flags & 0x03; - int bytes; - - if (rq->cmd_flags & REQ_DISCARD) - rw |= REQ_DISCARD; - - if (rq->cmd_flags & REQ_SECURE) - rw |= REQ_SECURE; - - bytes = blk_rq_bytes(rq); - - blk_fill_rwbs(rwbs, rw, bytes); -} - #endif /* CONFIG_EVENT_TRACING */ diff --git a/lib/nlattr.c b/lib/nlattr.c index 5021cbc3441..ac09f2226dc 100644 --- a/lib/nlattr.c +++ b/lib/nlattr.c @@ -148,7 +148,7 @@ nla_policy_len(const struct nla_policy *p, int n) { int i, len = 0; - for (i = 0; i < n; i++) { + for (i = 0; i < n; i++, p++) { if (p->len) len += nla_total_size(p->len); else if (nla_attr_minlen[p->type]) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 3e29781ee76..113e35c4750 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -650,10 +650,10 @@ static inline gfp_t alloc_hugepage_gfpmask(int defrag) static inline struct page *alloc_hugepage_vma(int defrag, struct vm_area_struct *vma, - unsigned long haddr) + unsigned long haddr, int nd) { return alloc_pages_vma(alloc_hugepage_gfpmask(defrag), - HPAGE_PMD_ORDER, vma, haddr); + HPAGE_PMD_ORDER, vma, haddr, nd); } #ifndef CONFIG_NUMA @@ -678,7 +678,7 @@ int do_huge_pmd_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma, if (unlikely(khugepaged_enter(vma))) return VM_FAULT_OOM; page = alloc_hugepage_vma(transparent_hugepage_defrag(vma), - vma, haddr); + vma, haddr, numa_node_id()); if (unlikely(!page)) goto out; if (unlikely(mem_cgroup_newpage_charge(page, mm, GFP_KERNEL))) { @@ -799,8 +799,8 @@ static int do_huge_pmd_wp_page_fallback(struct mm_struct *mm, } for (i = 0; i < HPAGE_PMD_NR; i++) { - pages[i] = alloc_page_vma(GFP_HIGHUSER_MOVABLE, - vma, address); + pages[i] = alloc_page_vma_node(GFP_HIGHUSER_MOVABLE, + vma, address, page_to_nid(page)); if (unlikely(!pages[i] || mem_cgroup_newpage_charge(pages[i], mm, GFP_KERNEL))) { @@ -902,7 +902,7 @@ int do_huge_pmd_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, if (transparent_hugepage_enabled(vma) && !transparent_hugepage_debug_cow()) new_page = alloc_hugepage_vma(transparent_hugepage_defrag(vma), - vma, haddr); + vma, haddr, numa_node_id()); else new_page = NULL; @@ -1745,7 +1745,8 @@ static void __collapse_huge_page_copy(pte_t *pte, struct page *page, static void collapse_huge_page(struct mm_struct *mm, unsigned long address, struct page **hpage, - struct vm_area_struct *vma) + struct vm_area_struct *vma, + int node) { pgd_t *pgd; pud_t *pud; @@ -1761,6 +1762,10 @@ static void collapse_huge_page(struct mm_struct *mm, #ifndef CONFIG_NUMA VM_BUG_ON(!*hpage); new_page = *hpage; + if (unlikely(mem_cgroup_newpage_charge(new_page, mm, GFP_KERNEL))) { + up_read(&mm->mmap_sem); + return; + } #else VM_BUG_ON(*hpage); /* @@ -1773,18 +1778,19 @@ static void collapse_huge_page(struct mm_struct *mm, * mmap_sem in read mode is good idea also to allow greater * scalability. */ - new_page = alloc_hugepage_vma(khugepaged_defrag(), vma, address); + new_page = alloc_hugepage_vma(khugepaged_defrag(), vma, address, + node); if (unlikely(!new_page)) { up_read(&mm->mmap_sem); *hpage = ERR_PTR(-ENOMEM); return; } -#endif if (unlikely(mem_cgroup_newpage_charge(new_page, mm, GFP_KERNEL))) { up_read(&mm->mmap_sem); put_page(new_page); return; } +#endif /* after allocating the hugepage upgrade to mmap_sem write mode */ up_read(&mm->mmap_sem); @@ -1919,6 +1925,7 @@ static int khugepaged_scan_pmd(struct mm_struct *mm, struct page *page; unsigned long _address; spinlock_t *ptl; + int node = -1; VM_BUG_ON(address & ~HPAGE_PMD_MASK); @@ -1949,6 +1956,13 @@ static int khugepaged_scan_pmd(struct mm_struct *mm, page = vm_normal_page(vma, _address, pteval); if (unlikely(!page)) goto out_unmap; + /* + * Chose the node of the first page. This could + * be more sophisticated and look at more pages, + * but isn't for now. + */ + if (node == -1) + node = page_to_nid(page); VM_BUG_ON(PageCompound(page)); if (!PageLRU(page) || PageLocked(page) || !PageAnon(page)) goto out_unmap; @@ -1965,7 +1979,7 @@ out_unmap: pte_unmap_unlock(pte, ptl); if (ret) /* collapse_huge_page will return with the mmap_sem released */ - collapse_huge_page(mm, address, hpage, vma); + collapse_huge_page(mm, address, hpage, vma, node); out: return ret; } diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 49355a970be..b53ec99f142 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1524,10 +1524,9 @@ static nodemask_t *policy_nodemask(gfp_t gfp, struct mempolicy *policy) } /* Return a zonelist indicated by gfp for node representing a mempolicy */ -static struct zonelist *policy_zonelist(gfp_t gfp, struct mempolicy *policy) +static struct zonelist *policy_zonelist(gfp_t gfp, struct mempolicy *policy, + int nd) { - int nd = numa_node_id(); - switch (policy->mode) { case MPOL_PREFERRED: if (!(policy->flags & MPOL_F_LOCAL)) @@ -1679,7 +1678,7 @@ struct zonelist *huge_zonelist(struct vm_area_struct *vma, unsigned long addr, zl = node_zonelist(interleave_nid(*mpol, vma, addr, huge_page_shift(hstate_vma(vma))), gfp_flags); } else { - zl = policy_zonelist(gfp_flags, *mpol); + zl = policy_zonelist(gfp_flags, *mpol, numa_node_id()); if ((*mpol)->mode == MPOL_BIND) *nodemask = &(*mpol)->v.nodes; } @@ -1820,7 +1819,7 @@ static struct page *alloc_page_interleave(gfp_t gfp, unsigned order, */ struct page * alloc_pages_vma(gfp_t gfp, int order, struct vm_area_struct *vma, - unsigned long addr) + unsigned long addr, int node) { struct mempolicy *pol = get_vma_policy(current, vma, addr); struct zonelist *zl; @@ -1836,7 +1835,7 @@ alloc_pages_vma(gfp_t gfp, int order, struct vm_area_struct *vma, put_mems_allowed(); return page; } - zl = policy_zonelist(gfp, pol); + zl = policy_zonelist(gfp, pol, node); if (unlikely(mpol_needs_cond_ref(pol))) { /* * slow path: ref counted shared policy @@ -1892,7 +1891,8 @@ struct page *alloc_pages_current(gfp_t gfp, unsigned order) page = alloc_page_interleave(gfp, order, interleave_nodes(pol)); else page = __alloc_pages_nodemask(gfp, order, - policy_zonelist(gfp, pol), policy_nodemask(gfp, pol)); + policy_zonelist(gfp, pol, numa_node_id()), + policy_nodemask(gfp, pol)); put_mems_allowed(); return page; } diff --git a/mm/rmap.c b/mm/rmap.c index f21f4a1d6a1..941bf82e896 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -497,41 +497,51 @@ int page_referenced_one(struct page *page, struct vm_area_struct *vma, struct mm_struct *mm = vma->vm_mm; int referenced = 0; - /* - * Don't want to elevate referenced for mlocked page that gets this far, - * in order that it progresses to try_to_unmap and is moved to the - * unevictable list. - */ - if (vma->vm_flags & VM_LOCKED) { - *mapcount = 0; /* break early from loop */ - *vm_flags |= VM_LOCKED; - goto out; - } - - /* Pretend the page is referenced if the task has the - swap token and is in the middle of a page fault. */ - if (mm != current->mm && has_swap_token(mm) && - rwsem_is_locked(&mm->mmap_sem)) - referenced++; - if (unlikely(PageTransHuge(page))) { pmd_t *pmd; spin_lock(&mm->page_table_lock); + /* + * rmap might return false positives; we must filter + * these out using page_check_address_pmd(). + */ pmd = page_check_address_pmd(page, mm, address, PAGE_CHECK_ADDRESS_PMD_FLAG); - if (pmd && !pmd_trans_splitting(*pmd) && - pmdp_clear_flush_young_notify(vma, address, pmd)) + if (!pmd) { + spin_unlock(&mm->page_table_lock); + goto out; + } + + if (vma->vm_flags & VM_LOCKED) { + spin_unlock(&mm->page_table_lock); + *mapcount = 0; /* break early from loop */ + *vm_flags |= VM_LOCKED; + goto out; + } + + /* go ahead even if the pmd is pmd_trans_splitting() */ + if (pmdp_clear_flush_young_notify(vma, address, pmd)) referenced++; spin_unlock(&mm->page_table_lock); } else { pte_t *pte; spinlock_t *ptl; + /* + * rmap might return false positives; we must filter + * these out using page_check_address(). + */ pte = page_check_address(page, mm, address, &ptl, 0); if (!pte) goto out; + if (vma->vm_flags & VM_LOCKED) { + pte_unmap_unlock(pte, ptl); + *mapcount = 0; /* break early from loop */ + *vm_flags |= VM_LOCKED; + goto out; + } + if (ptep_clear_flush_young_notify(vma, address, pte)) { /* * Don't treat a reference through a sequentially read @@ -546,6 +556,12 @@ int page_referenced_one(struct page *page, struct vm_area_struct *vma, pte_unmap_unlock(pte, ptl); } + /* Pretend the page is referenced if the task has the + swap token and is in the middle of a page fault. */ + if (mm != current->mm && has_swap_token(mm) && + rwsem_is_locked(&mm->mmap_sem)) + referenced++; + (*mapcount)--; if (referenced) diff --git a/net/Makefile b/net/Makefile index a3330ebe2c5..a51d9465e62 100644 --- a/net/Makefile +++ b/net/Makefile @@ -19,9 +19,7 @@ obj-$(CONFIG_NETFILTER) += netfilter/ obj-$(CONFIG_INET) += ipv4/ obj-$(CONFIG_XFRM) += xfrm/ obj-$(CONFIG_UNIX) += unix/ -ifneq ($(CONFIG_IPV6),) -obj-y += ipv6/ -endif +obj-$(CONFIG_NET) += ipv6/ obj-$(CONFIG_PACKET) += packet/ obj-$(CONFIG_NET_KEY) += key/ obj-$(CONFIG_BRIDGE) += bridge/ diff --git a/net/bridge/Kconfig b/net/bridge/Kconfig index 9190ae462cb..6dee7bf648a 100644 --- a/net/bridge/Kconfig +++ b/net/bridge/Kconfig @@ -6,6 +6,7 @@ config BRIDGE tristate "802.1d Ethernet Bridging" select LLC select STP + depends on IPV6 || IPV6=n ---help--- If you say Y here, then your Linux box will be able to act as an Ethernet bridge, which means that the different Ethernet segments it diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 35b36b86d76..05f357828a2 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -336,7 +336,6 @@ static void reset_connection(struct ceph_connection *con) ceph_msg_put(con->out_msg); con->out_msg = NULL; } - con->out_keepalive_pending = false; con->in_seq = 0; con->in_seq_acked = 0; } @@ -1248,8 +1247,6 @@ static int process_connect(struct ceph_connection *con) con->auth_retry); if (con->auth_retry == 2) { con->error_msg = "connect authorization failure"; - reset_connection(con); - set_bit(CLOSED, &con->state); return -1; } con->auth_retry = 1; @@ -1715,14 +1712,6 @@ more: /* open the socket first? */ if (con->sock == NULL) { - /* - * if we were STANDBY and are reconnecting _this_ - * connection, bump connect_seq now. Always bump - * global_seq. - */ - if (test_and_clear_bit(STANDBY, &con->state)) - con->connect_seq++; - prepare_write_banner(msgr, con); prepare_write_connect(msgr, con, 1); prepare_read_banner(con); @@ -1951,7 +1940,24 @@ static void con_work(struct work_struct *work) work.work); mutex_lock(&con->mutex); + if (test_and_clear_bit(BACKOFF, &con->state)) { + dout("con_work %p backing off\n", con); + if (queue_delayed_work(ceph_msgr_wq, &con->work, + round_jiffies_relative(con->delay))) { + dout("con_work %p backoff %lu\n", con, con->delay); + mutex_unlock(&con->mutex); + return; + } else { + con->ops->put(con); + dout("con_work %p FAILED to back off %lu\n", con, + con->delay); + } + } + if (test_bit(STANDBY, &con->state)) { + dout("con_work %p STANDBY\n", con); + goto done; + } if (test_bit(CLOSED, &con->state)) { /* e.g. if we are replaced */ dout("con_work CLOSED\n"); con_close_socket(con); @@ -2008,10 +2014,12 @@ static void ceph_fault(struct ceph_connection *con) /* Requeue anything that hasn't been acked */ list_splice_init(&con->out_sent, &con->out_queue); - /* If there are no messages in the queue, place the connection - * in a STANDBY state (i.e., don't try to reconnect just yet). */ - if (list_empty(&con->out_queue) && !con->out_keepalive_pending) { - dout("fault setting STANDBY\n"); + /* If there are no messages queued or keepalive pending, place + * the connection in a STANDBY state */ + if (list_empty(&con->out_queue) && + !test_bit(KEEPALIVE_PENDING, &con->state)) { + dout("fault %p setting STANDBY clearing WRITE_PENDING\n", con); + clear_bit(WRITE_PENDING, &con->state); set_bit(STANDBY, &con->state); } else { /* retry after a delay. */ @@ -2019,11 +2027,24 @@ static void ceph_fault(struct ceph_connection *con) con->delay = BASE_DELAY_INTERVAL; else if (con->delay < MAX_DELAY_INTERVAL) con->delay *= 2; - dout("fault queueing %p delay %lu\n", con, con->delay); con->ops->get(con); if (queue_delayed_work(ceph_msgr_wq, &con->work, - round_jiffies_relative(con->delay)) == 0) + round_jiffies_relative(con->delay))) { + dout("fault queued %p delay %lu\n", con, con->delay); + } else { con->ops->put(con); + dout("fault failed to queue %p delay %lu, backoff\n", + con, con->delay); + /* + * In many cases we see a socket state change + * while con_work is running and end up + * queuing (non-delayed) work, such that we + * can't backoff with a delay. Set a flag so + * that when con_work restarts we schedule the + * delay then. + */ + set_bit(BACKOFF, &con->state); + } } out_unlock: @@ -2094,6 +2115,19 @@ void ceph_messenger_destroy(struct ceph_messenger *msgr) } EXPORT_SYMBOL(ceph_messenger_destroy); +static void clear_standby(struct ceph_connection *con) +{ + /* come back from STANDBY? */ + if (test_and_clear_bit(STANDBY, &con->state)) { + mutex_lock(&con->mutex); + dout("clear_standby %p and ++connect_seq\n", con); + con->connect_seq++; + WARN_ON(test_bit(WRITE_PENDING, &con->state)); + WARN_ON(test_bit(KEEPALIVE_PENDING, &con->state)); + mutex_unlock(&con->mutex); + } +} + /* * Queue up an outgoing message on the given connection. */ @@ -2126,6 +2160,7 @@ void ceph_con_send(struct ceph_connection *con, struct ceph_msg *msg) /* if there wasn't anything waiting to send before, queue * new work */ + clear_standby(con); if (test_and_set_bit(WRITE_PENDING, &con->state) == 0) queue_con(con); } @@ -2191,6 +2226,8 @@ void ceph_con_revoke_message(struct ceph_connection *con, struct ceph_msg *msg) */ void ceph_con_keepalive(struct ceph_connection *con) { + dout("con_keepalive %p\n", con); + clear_standby(con); if (test_and_set_bit(KEEPALIVE_PENDING, &con->state) == 0 && test_and_set_bit(WRITE_PENDING, &con->state) == 0) queue_con(con); diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c index 1a040e64c69..cd9c21df87d 100644 --- a/net/ceph/pagevec.c +++ b/net/ceph/pagevec.c @@ -16,22 +16,30 @@ struct page **ceph_get_direct_page_vector(const char __user *data, int num_pages, bool write_page) { struct page **pages; - int rc; + int got = 0; + int rc = 0; pages = kmalloc(sizeof(*pages) * num_pages, GFP_NOFS); if (!pages) return ERR_PTR(-ENOMEM); down_read(¤t->mm->mmap_sem); - rc = get_user_pages(current, current->mm, (unsigned long)data, - num_pages, write_page, 0, pages, NULL); + while (got < num_pages) { + rc = get_user_pages(current, current->mm, + (unsigned long)data + ((unsigned long)got * PAGE_SIZE), + num_pages - got, write_page, 0, pages + got, NULL); + if (rc < 0) + break; + BUG_ON(rc == 0); + got += rc; + } up_read(¤t->mm->mmap_sem); - if (rc < num_pages) + if (rc < 0) goto fail; return pages; fail: - ceph_put_page_vector(pages, rc > 0 ? rc : 0, false); + ceph_put_page_vector(pages, got, false); return ERR_PTR(rc); } EXPORT_SYMBOL(ceph_get_direct_page_vector); diff --git a/net/core/dev.c b/net/core/dev.c index 8ae6631abcc..6561021d22d 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1114,13 +1114,21 @@ EXPORT_SYMBOL(netdev_bonding_change); void dev_load(struct net *net, const char *name) { struct net_device *dev; + int no_module; rcu_read_lock(); dev = dev_get_by_name_rcu(net, name); rcu_read_unlock(); - if (!dev && capable(CAP_NET_ADMIN)) - request_module("%s", name); + no_module = !dev; + if (no_module && capable(CAP_NET_ADMIN)) + no_module = request_module("netdev-%s", name); + if (no_module && capable(CAP_SYS_MODULE)) { + if (!request_module("%s", name)) + pr_err("Loading kernel module for a network device " +"with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%s " +"instead\n", name); + } } EXPORT_SYMBOL(dev_load); diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c index 508f9c18992..133fd22ea28 100644 --- a/net/core/dev_addr_lists.c +++ b/net/core/dev_addr_lists.c @@ -144,7 +144,7 @@ void __hw_addr_del_multiple(struct netdev_hw_addr_list *to_list, list_for_each_entry(ha, &from_list->list, list) { type = addr_type ? addr_type : ha->type; - __hw_addr_del(to_list, ha->addr, addr_len, addr_type); + __hw_addr_del(to_list, ha->addr, addr_len, type); } } EXPORT_SYMBOL(__hw_addr_del_multiple); diff --git a/net/core/pktgen.c b/net/core/pktgen.c index a9e7fc4c461..b5bada92f63 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -3321,7 +3321,7 @@ static void show_results(struct pktgen_dev *pkt_dev, int nr_frags) pkt_dev->started_at); ktime_t idle = ns_to_ktime(pkt_dev->idle_acc); - p += sprintf(p, "OK: %llu(c%llu+d%llu) nsec, %llu (%dbyte,%dfrags)\n", + p += sprintf(p, "OK: %llu(c%llu+d%llu) usec, %llu (%dbyte,%dfrags)\n", (unsigned long long)ktime_to_us(elapsed), (unsigned long long)ktime_to_us(ktime_sub(elapsed, idle)), (unsigned long long)ktime_to_us(idle), diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index d5074a56728..c44348adba3 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -1193,7 +1193,7 @@ static int dcbnl_ieee_set(struct net_device *netdev, struct nlattr **tb, goto err; } - if (ieee[DCB_ATTR_IEEE_PFC] && ops->ieee_setets) { + if (ieee[DCB_ATTR_IEEE_PFC] && ops->ieee_setpfc) { struct ieee_pfc *pfc = nla_data(ieee[DCB_ATTR_IEEE_PFC]); err = ops->ieee_setpfc(netdev, pfc); if (err) diff --git a/net/dccp/input.c b/net/dccp/input.c index 8cde009e8b8..4222e7a654b 100644 --- a/net/dccp/input.c +++ b/net/dccp/input.c @@ -614,6 +614,9 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb, /* Caller (dccp_v4_do_rcv) will send Reset */ dcb->dccpd_reset_code = DCCP_RESET_CODE_NO_CONNECTION; return 1; + } else if (sk->sk_state == DCCP_CLOSED) { + dcb->dccpd_reset_code = DCCP_RESET_CODE_NO_CONNECTION; + return 1; } if (sk->sk_state != DCCP_REQUESTING && sk->sk_state != DCCP_RESPOND) { @@ -668,10 +671,6 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb, } switch (sk->sk_state) { - case DCCP_CLOSED: - dcb->dccpd_reset_code = DCCP_RESET_CODE_NO_CONNECTION; - return 1; - case DCCP_REQUESTING: queued = dccp_rcv_request_sent_state_process(sk, skb, dh, len); if (queued >= 0) diff --git a/net/dns_resolver/dns_key.c b/net/dns_resolver/dns_key.c index 739435a6af3..cfa7a5e1c5c 100644 --- a/net/dns_resolver/dns_key.c +++ b/net/dns_resolver/dns_key.c @@ -67,8 +67,9 @@ dns_resolver_instantiate(struct key *key, const void *_data, size_t datalen) size_t result_len = 0; const char *data = _data, *end, *opt; - kenter("%%%d,%s,'%s',%zu", - key->serial, key->description, data, datalen); + kenter("%%%d,%s,'%*.*s',%zu", + key->serial, key->description, + (int)datalen, (int)datalen, data, datalen); if (datalen <= 1 || !data || data[datalen - 1] != '\0') return -EINVAL; @@ -217,6 +218,19 @@ static void dns_resolver_describe(const struct key *key, struct seq_file *m) seq_printf(m, ": %u", key->datalen); } +/* + * read the DNS data + * - the key's semaphore is read-locked + */ +static long dns_resolver_read(const struct key *key, + char __user *buffer, size_t buflen) +{ + if (key->type_data.x[0]) + return key->type_data.x[0]; + + return user_read(key, buffer, buflen); +} + struct key_type key_type_dns_resolver = { .name = "dns_resolver", .instantiate = dns_resolver_instantiate, @@ -224,7 +238,7 @@ struct key_type key_type_dns_resolver = { .revoke = user_revoke, .destroy = user_destroy, .describe = dns_resolver_describe, - .read = user_read, + .read = dns_resolver_read, }; static int __init init_dns_resolver(void) diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index df4616fce92..036652c8166 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -670,7 +670,7 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *arg) ifap = &ifa->ifa_next) { if (!strcmp(ifr.ifr_name, ifa->ifa_label) && sin_orig.sin_addr.s_addr == - ifa->ifa_address) { + ifa->ifa_local) { break; /* found */ } } @@ -1040,8 +1040,8 @@ static void inetdev_send_gratuitous_arp(struct net_device *dev, return; arp_send(ARPOP_REQUEST, ETH_P_ARP, - ifa->ifa_address, dev, - ifa->ifa_address, NULL, + ifa->ifa_local, dev, + ifa->ifa_local, NULL, dev->dev_addr, NULL); } diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 6613edfac28..d1d0e2c256f 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -1765,4 +1765,4 @@ module_exit(ipgre_fini); MODULE_LICENSE("GPL"); MODULE_ALIAS_RTNL_LINK("gre"); MODULE_ALIAS_RTNL_LINK("gretap"); -MODULE_ALIAS("gre0"); +MODULE_ALIAS_NETDEV("gre0"); diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 988f52fba54..a5f58e7cbb2 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -913,4 +913,4 @@ static void __exit ipip_fini(void) module_init(ipip_init); module_exit(ipip_fini); MODULE_LICENSE("GPL"); -MODULE_ALIAS("tunl0"); +MODULE_ALIAS_NETDEV("tunl0"); diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 4f4483e697b..e528a42a52b 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -57,6 +57,7 @@ MODULE_AUTHOR("Ville Nuorvala"); MODULE_DESCRIPTION("IPv6 tunneling device"); MODULE_LICENSE("GPL"); +MODULE_ALIAS_NETDEV("ip6tnl0"); #ifdef IP6_TNL_DEBUG #define IP6_TNL_TRACE(x...) printk(KERN_DEBUG "%s:" x "\n", __func__) diff --git a/net/ipv6/route.c b/net/ipv6/route.c index a998db6e789..e7db7014e89 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -739,8 +739,10 @@ restart: if (!rt->rt6i_nexthop && !(rt->rt6i_flags & RTF_NONEXTHOP)) nrt = rt6_alloc_cow(rt, &fl->fl6_dst, &fl->fl6_src); - else + else if (!(rt->dst.flags & DST_HOST)) nrt = rt6_alloc_clone(rt, &fl->fl6_dst); + else + goto out2; dst_release(&rt->dst); rt = nrt ? : net->ipv6.ip6_null_entry; @@ -2557,14 +2559,16 @@ static int ipv6_sysctl_rtcache_flush(ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { - struct net *net = current->nsproxy->net_ns; - int delay = net->ipv6.sysctl.flush_delay; - if (write) { - proc_dointvec(ctl, write, buffer, lenp, ppos); - fib6_run_gc(delay <= 0 ? ~0UL : (unsigned long)delay, net); - return 0; - } else + struct net *net; + int delay; + if (!write) return -EINVAL; + + net = (struct net *)ctl->extra1; + delay = net->ipv6.sysctl.flush_delay; + proc_dointvec(ctl, write, buffer, lenp, ppos); + fib6_run_gc(delay <= 0 ? ~0UL : (unsigned long)delay, net); + return 0; } ctl_table ipv6_route_table_template[] = { @@ -2651,6 +2655,7 @@ struct ctl_table * __net_init ipv6_route_sysctl_init(struct net *net) if (table) { table[0].data = &net->ipv6.sysctl.flush_delay; + table[0].extra1 = net; table[1].data = &net->ipv6.ip6_dst_ops.gc_thresh; table[2].data = &net->ipv6.sysctl.ip6_rt_max_size; table[3].data = &net->ipv6.sysctl.ip6_rt_gc_min_interval; diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 8ce38f10a54..d2c16e10f65 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -1290,4 +1290,4 @@ static int __init sit_init(void) module_init(sit_init); module_exit(sit_cleanup); MODULE_LICENSE("GPL"); -MODULE_ALIAS("sit0"); +MODULE_ALIAS_NETDEV("sit0"); diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index 22f7ad5101a..ba98e1308f3 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -808,9 +808,9 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest, dest->u_threshold = udest->u_threshold; dest->l_threshold = udest->l_threshold; - spin_lock(&dest->dst_lock); + spin_lock_bh(&dest->dst_lock); ip_vs_dst_reset(dest); - spin_unlock(&dest->dst_lock); + spin_unlock_bh(&dest->dst_lock); if (add) ip_vs_new_estimator(&dest->stats); diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c index b07393eab88..91816998ed8 100644 --- a/net/netfilter/nf_log.c +++ b/net/netfilter/nf_log.c @@ -85,6 +85,8 @@ EXPORT_SYMBOL(nf_log_unregister); int nf_log_bind_pf(u_int8_t pf, const struct nf_logger *logger) { + if (pf >= ARRAY_SIZE(nf_loggers)) + return -EINVAL; mutex_lock(&nf_log_mutex); if (__find_logger(pf, logger->name) == NULL) { mutex_unlock(&nf_log_mutex); @@ -98,6 +100,8 @@ EXPORT_SYMBOL(nf_log_bind_pf); void nf_log_unbind_pf(u_int8_t pf) { + if (pf >= ARRAY_SIZE(nf_loggers)) + return; mutex_lock(&nf_log_mutex); rcu_assign_pointer(nf_loggers[pf], NULL); mutex_unlock(&nf_log_mutex); diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 478181d53c5..1f924595bde 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1407,7 +1407,7 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock, int noblock = flags&MSG_DONTWAIT; size_t copied; struct sk_buff *skb, *data_skb; - int err; + int err, ret; if (flags&MSG_OOB) return -EOPNOTSUPP; @@ -1470,8 +1470,13 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock, skb_free_datagram(sk, skb); - if (nlk->cb && atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf / 2) - netlink_dump(sk); + if (nlk->cb && atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf / 2) { + ret = netlink_dump(sk); + if (ret) { + sk->sk_err = ret; + sk->sk_error_report(sk); + } + } scm_recv(sock, msg, siocb->scm, flags); out: @@ -1736,6 +1741,7 @@ int netlink_dump_start(struct sock *ssk, struct sk_buff *skb, struct netlink_callback *cb; struct sock *sk; struct netlink_sock *nlk; + int ret; cb = kzalloc(sizeof(*cb), GFP_KERNEL); if (cb == NULL) @@ -1764,9 +1770,13 @@ int netlink_dump_start(struct sock *ssk, struct sk_buff *skb, nlk->cb = cb; mutex_unlock(nlk->cb_mutex); - netlink_dump(sk); + ret = netlink_dump(sk); + sock_put(sk); + if (ret) + return ret; + /* We successfully started a dump, by returning -EINTR we * signal not to send ACK even if it was requested. */ diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c index 71f373c421b..c47a511f203 100644 --- a/net/rds/ib_send.c +++ b/net/rds/ib_send.c @@ -551,7 +551,10 @@ int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm, if (conn->c_loopback && rm->m_inc.i_hdr.h_flags & RDS_FLAG_CONG_BITMAP) { rds_cong_map_updated(conn->c_fcong, ~(u64) 0); - return sizeof(struct rds_header) + RDS_CONG_MAP_BYTES; + scat = &rm->data.op_sg[sg]; + ret = sizeof(struct rds_header) + RDS_CONG_MAP_BYTES; + ret = min_t(int, ret, scat->length - conn->c_xmit_data_off); + return ret; } /* FIXME we may overallocate here */ diff --git a/net/rds/loop.c b/net/rds/loop.c index aeec1d483b1..bca6761a3ca 100644 --- a/net/rds/loop.c +++ b/net/rds/loop.c @@ -61,10 +61,15 @@ static int rds_loop_xmit(struct rds_connection *conn, struct rds_message *rm, unsigned int hdr_off, unsigned int sg, unsigned int off) { + struct scatterlist *sgp = &rm->data.op_sg[sg]; + int ret = sizeof(struct rds_header) + + be32_to_cpu(rm->m_inc.i_hdr.h_len); + /* Do not send cong updates to loopback */ if (rm->m_inc.i_hdr.h_flags & RDS_FLAG_CONG_BITMAP) { rds_cong_map_updated(conn->c_fcong, ~(u64) 0); - return sizeof(struct rds_header) + RDS_CONG_MAP_BYTES; + ret = min_t(int, ret, sgp->length - conn->c_xmit_data_off); + goto out; } BUG_ON(hdr_off || sg || off); @@ -80,8 +85,8 @@ static int rds_loop_xmit(struct rds_connection *conn, struct rds_message *rm, NULL); rds_inc_put(&rm->m_inc); - - return sizeof(struct rds_header) + be32_to_cpu(rm->m_inc.i_hdr.h_len); +out: + return ret; } /* diff --git a/net/rxrpc/ar-input.c b/net/rxrpc/ar-input.c index 89315009bab..1a2b0633fec 100644 --- a/net/rxrpc/ar-input.c +++ b/net/rxrpc/ar-input.c @@ -423,6 +423,7 @@ void rxrpc_fast_process_packet(struct rxrpc_call *call, struct sk_buff *skb) goto protocol_error; } + case RXRPC_PACKET_TYPE_ACKALL: case RXRPC_PACKET_TYPE_ACK: /* ACK processing is done in process context */ read_lock_bh(&call->state_lock); diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index 243fc09b164..59e599498e3 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -252,23 +252,37 @@ static void rpc_set_active(struct rpc_task *task) /* * Mark an RPC call as having completed by clearing the 'active' bit + * and then waking up all tasks that were sleeping. */ -static void rpc_mark_complete_task(struct rpc_task *task) +static int rpc_complete_task(struct rpc_task *task) { - smp_mb__before_clear_bit(); + void *m = &task->tk_runstate; + wait_queue_head_t *wq = bit_waitqueue(m, RPC_TASK_ACTIVE); + struct wait_bit_key k = __WAIT_BIT_KEY_INITIALIZER(m, RPC_TASK_ACTIVE); + unsigned long flags; + int ret; + + spin_lock_irqsave(&wq->lock, flags); clear_bit(RPC_TASK_ACTIVE, &task->tk_runstate); - smp_mb__after_clear_bit(); - wake_up_bit(&task->tk_runstate, RPC_TASK_ACTIVE); + ret = atomic_dec_and_test(&task->tk_count); + if (waitqueue_active(wq)) + __wake_up_locked_key(wq, TASK_NORMAL, &k); + spin_unlock_irqrestore(&wq->lock, flags); + return ret; } /* * Allow callers to wait for completion of an RPC call + * + * Note the use of out_of_line_wait_on_bit() rather than wait_on_bit() + * to enforce taking of the wq->lock and hence avoid races with + * rpc_complete_task(). */ int __rpc_wait_for_completion_task(struct rpc_task *task, int (*action)(void *)) { if (action == NULL) action = rpc_wait_bit_killable; - return wait_on_bit(&task->tk_runstate, RPC_TASK_ACTIVE, + return out_of_line_wait_on_bit(&task->tk_runstate, RPC_TASK_ACTIVE, action, TASK_KILLABLE); } EXPORT_SYMBOL_GPL(__rpc_wait_for_completion_task); @@ -857,34 +871,67 @@ static void rpc_async_release(struct work_struct *work) rpc_free_task(container_of(work, struct rpc_task, u.tk_work)); } -void rpc_put_task(struct rpc_task *task) +static void rpc_release_resources_task(struct rpc_task *task) { - if (!atomic_dec_and_test(&task->tk_count)) - return; - /* Release resources */ if (task->tk_rqstp) xprt_release(task); if (task->tk_msg.rpc_cred) put_rpccred(task->tk_msg.rpc_cred); rpc_task_release_client(task); - if (task->tk_workqueue != NULL) { +} + +static void rpc_final_put_task(struct rpc_task *task, + struct workqueue_struct *q) +{ + if (q != NULL) { INIT_WORK(&task->u.tk_work, rpc_async_release); - queue_work(task->tk_workqueue, &task->u.tk_work); + queue_work(q, &task->u.tk_work); } else rpc_free_task(task); } + +static void rpc_do_put_task(struct rpc_task *task, struct workqueue_struct *q) +{ + if (atomic_dec_and_test(&task->tk_count)) { + rpc_release_resources_task(task); + rpc_final_put_task(task, q); + } +} + +void rpc_put_task(struct rpc_task *task) +{ + rpc_do_put_task(task, NULL); +} EXPORT_SYMBOL_GPL(rpc_put_task); +void rpc_put_task_async(struct rpc_task *task) +{ + rpc_do_put_task(task, task->tk_workqueue); +} +EXPORT_SYMBOL_GPL(rpc_put_task_async); + static void rpc_release_task(struct rpc_task *task) { dprintk("RPC: %5u release task\n", task->tk_pid); BUG_ON (RPC_IS_QUEUED(task)); - /* Wake up anyone who is waiting for task completion */ - rpc_mark_complete_task(task); + rpc_release_resources_task(task); - rpc_put_task(task); + /* + * Note: at this point we have been removed from rpc_clnt->cl_tasks, + * so it should be safe to use task->tk_count as a test for whether + * or not any other processes still hold references to our rpc_task. + */ + if (atomic_read(&task->tk_count) != 1 + !RPC_IS_ASYNC(task)) { + /* Wake up anyone who may be waiting for task completion */ + if (!rpc_complete_task(task)) + return; + } else { + if (!atomic_dec_and_test(&task->tk_count)) + return; + } + rpc_final_put_task(task, task->tk_workqueue); } int rpciod_up(void) diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c index 9df1eadc912..1a10dcd999e 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c @@ -1335,6 +1335,7 @@ void svc_rdma_send_error(struct svcxprt_rdma *xprt, struct rpcrdma_msg *rmsgp, p, 0, length, DMA_FROM_DEVICE); if (ib_dma_mapping_error(xprt->sc_cm_id->device, ctxt->sge[0].addr)) { put_page(p); + svc_rdma_put_context(ctxt, 1); return; } atomic_inc(&xprt->sc_dma_used); diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index c431f5a5796..be96d429b47 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -1631,7 +1631,8 @@ static struct socket *xs_create_sock(struct rpc_xprt *xprt, } xs_reclassify_socket(family, sock); - if (xs_bind(transport, sock)) { + err = xs_bind(transport, sock); + if (err) { sock_release(sock); goto out; } diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index dd419d28620..437a99e560e 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1724,7 +1724,11 @@ static int unix_dgram_recvmsg(struct kiocb *iocb, struct socket *sock, msg->msg_namelen = 0; - mutex_lock(&u->readlock); + err = mutex_lock_interruptible(&u->readlock); + if (err) { + err = sock_intr_errno(sock_rcvtimeo(sk, noblock)); + goto out; + } skb = skb_recv_datagram(sk, flags, noblock, &err); if (!skb) { @@ -1864,7 +1868,11 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock, memset(&tmp_scm, 0, sizeof(tmp_scm)); } - mutex_lock(&u->readlock); + err = mutex_lock_interruptible(&u->readlock); + if (err) { + err = sock_intr_errno(timeo); + goto out; + } do { int chunk; @@ -1895,11 +1903,12 @@ static int unix_stream_recvmsg(struct kiocb *iocb, struct socket *sock, timeo = unix_stream_data_wait(sk, timeo); - if (signal_pending(current)) { + if (signal_pending(current) + || mutex_lock_interruptible(&u->readlock)) { err = sock_intr_errno(timeo); goto out; } - mutex_lock(&u->readlock); + continue; unlock: unix_state_unlock(sk); diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c index 6c94c6ce292..291228e2598 100644 --- a/scripts/basic/fixdep.c +++ b/scripts/basic/fixdep.c @@ -309,6 +309,11 @@ static void do_config_file(const char *filename) close(fd); } +/* + * Important: The below generated source_foo.o and deps_foo.o variable + * assignments are parsed not only by make, but also by the rather simple + * parser in scripts/mod/sumversion.c. + */ static void parse_dep_file(void *map, size_t len) { char *m = map; @@ -323,7 +328,6 @@ static void parse_dep_file(void *map, size_t len) exit(1); } memcpy(s, m, p-m); s[p-m] = 0; - printf("deps_%s := \\\n", target); m = p+1; clear_config(); @@ -343,12 +347,15 @@ static void parse_dep_file(void *map, size_t len) strrcmp(s, "arch/um/include/uml-config.h") && strrcmp(s, ".ver")) { /* - * Do not output the first dependency (the - * source file), so that kbuild is not confused - * if a .c file is rewritten into .S or vice - * versa. + * Do not list the source file as dependency, so that + * kbuild is not confused if a .c file is rewritten + * into .S or vice versa. Storing it in source_* is + * needed for modpost to compute srcversions. */ - if (!first) + if (first) { + printf("source_%s := %s\n\n", target, s); + printf("deps_%s := \\\n", target); + } else printf(" %s \\\n", s); do_config_file(s); } diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c index ecf9c7dc182..9dfcd6d988d 100644 --- a/scripts/mod/sumversion.c +++ b/scripts/mod/sumversion.c @@ -300,8 +300,8 @@ static int is_static_library(const char *objfile) return 0; } -/* We have dir/file.o. Open dir/.file.o.cmd, look for deps_ line to - * figure out source file. */ +/* We have dir/file.o. Open dir/.file.o.cmd, look for source_ and deps_ line + * to figure out source files. */ static int parse_source_files(const char *objfile, struct md4_ctx *md) { char *cmd, *file, *line, *dir; @@ -340,6 +340,21 @@ static int parse_source_files(const char *objfile, struct md4_ctx *md) */ while ((line = get_next_line(&pos, file, flen)) != NULL) { char* p = line; + + if (strncmp(line, "source_", sizeof("source_")-1) == 0) { + p = strrchr(line, ' '); + if (!p) { + warn("malformed line: %s\n", line); + goto out_file; + } + p++; + if (!parse_file(p, md)) { + warn("could not open %s: %s\n", + p, strerror(errno)); + goto out_file; + } + continue; + } if (strncmp(line, "deps_", sizeof("deps_")-1) == 0) { check_files = 1; continue; diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index a07b031090d..067982f4f18 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -1039,9 +1039,11 @@ static struct hda_verb cs_errata_init_verbs[] = { {0x11, AC_VERB_SET_PROC_COEF, 0x0008}, {0x11, AC_VERB_SET_PROC_STATE, 0x00}, +#if 0 /* Don't to set to D3 as we are in power-up sequence */ {0x07, AC_VERB_SET_POWER_STATE, 0x03}, /* S/PDIF Rx: D3 */ {0x08, AC_VERB_SET_POWER_STATE, 0x03}, /* S/PDIF Tx: D3 */ /*{0x01, AC_VERB_SET_POWER_STATE, 0x03},*/ /* AFG: D3 This is already handled */ +#endif {} /* terminator */ }; diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index a5876773672..ec0fa2dd0a2 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -1634,6 +1634,9 @@ static struct hda_codec_preset snd_hda_preset_hdmi[] = { { .id = 0x10de0012, .name = "GPU 12 HDMI/DP", .patch = patch_nvhdmi_8ch_89 }, { .id = 0x10de0013, .name = "GPU 13 HDMI/DP", .patch = patch_nvhdmi_8ch_89 }, { .id = 0x10de0014, .name = "GPU 14 HDMI/DP", .patch = patch_nvhdmi_8ch_89 }, +{ .id = 0x10de0015, .name = "GPU 15 HDMI/DP", .patch = patch_nvhdmi_8ch_89 }, +{ .id = 0x10de0016, .name = "GPU 16 HDMI/DP", .patch = patch_nvhdmi_8ch_89 }, +/* 17 is known to be absent */ { .id = 0x10de0018, .name = "GPU 18 HDMI/DP", .patch = patch_nvhdmi_8ch_89 }, { .id = 0x10de0019, .name = "GPU 19 HDMI/DP", .patch = patch_nvhdmi_8ch_89 }, { .id = 0x10de001a, .name = "GPU 1a HDMI/DP", .patch = patch_nvhdmi_8ch_89 }, @@ -1676,6 +1679,8 @@ MODULE_ALIAS("snd-hda-codec-id:10de0011"); MODULE_ALIAS("snd-hda-codec-id:10de0012"); MODULE_ALIAS("snd-hda-codec-id:10de0013"); MODULE_ALIAS("snd-hda-codec-id:10de0014"); +MODULE_ALIAS("snd-hda-codec-id:10de0015"); +MODULE_ALIAS("snd-hda-codec-id:10de0016"); MODULE_ALIAS("snd-hda-codec-id:10de0018"); MODULE_ALIAS("snd-hda-codec-id:10de0019"); MODULE_ALIAS("snd-hda-codec-id:10de001a"); diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 3328a259a24..4261bb8eec1 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -1133,11 +1133,8 @@ static void alc_automute_speaker(struct hda_codec *codec, int pinctl) nid = spec->autocfg.hp_pins[i]; if (!nid) break; - if (snd_hda_jack_detect(codec, nid)) { - spec->jack_present = 1; - break; - } - alc_report_jack(codec, spec->autocfg.hp_pins[i]); + alc_report_jack(codec, nid); + spec->jack_present |= snd_hda_jack_detect(codec, nid); } mute = spec->jack_present ? HDA_AMP_MUTE : 0; @@ -15015,7 +15012,7 @@ static struct snd_pci_quirk alc269_cfg_tbl[] = { SND_PCI_QUIRK(0x1043, 0x11e3, "ASUS U33Jc", ALC269VB_AMIC), SND_PCI_QUIRK(0x1043, 0x1273, "ASUS UL80Jt", ALC269VB_AMIC), SND_PCI_QUIRK(0x1043, 0x1283, "ASUS U53Jc", ALC269_AMIC), - SND_PCI_QUIRK(0x1043, 0x12b3, "ASUS N82Jv", ALC269_AMIC), + SND_PCI_QUIRK(0x1043, 0x12b3, "ASUS N82JV", ALC269VB_AMIC), SND_PCI_QUIRK(0x1043, 0x12d3, "ASUS N61Jv", ALC269_AMIC), SND_PCI_QUIRK(0x1043, 0x13a3, "ASUS UL30Vt", ALC269_AMIC), SND_PCI_QUIRK(0x1043, 0x1373, "ASUS G73JX", ALC269_AMIC), diff --git a/sound/soc/codecs/wm8978.c b/sound/soc/codecs/wm8978.c index 4bbc3442703..8dfb0a0da67 100644 --- a/sound/soc/codecs/wm8978.c +++ b/sound/soc/codecs/wm8978.c @@ -145,18 +145,18 @@ static const struct snd_kcontrol_new wm8978_snd_controls[] = { SOC_SINGLE("DAC Playback Limiter Threshold", WM8978_DAC_LIMITER_2, 4, 7, 0), SOC_SINGLE("DAC Playback Limiter Boost", - WM8978_DAC_LIMITER_2, 0, 15, 0), + WM8978_DAC_LIMITER_2, 0, 12, 0), SOC_ENUM("ALC Enable Switch", alc1), SOC_SINGLE("ALC Capture Min Gain", WM8978_ALC_CONTROL_1, 0, 7, 0), SOC_SINGLE("ALC Capture Max Gain", WM8978_ALC_CONTROL_1, 3, 7, 0), - SOC_SINGLE("ALC Capture Hold", WM8978_ALC_CONTROL_2, 4, 7, 0), + SOC_SINGLE("ALC Capture Hold", WM8978_ALC_CONTROL_2, 4, 10, 0), SOC_SINGLE("ALC Capture Target", WM8978_ALC_CONTROL_2, 0, 15, 0), SOC_ENUM("ALC Capture Mode", alc3), - SOC_SINGLE("ALC Capture Decay", WM8978_ALC_CONTROL_3, 4, 15, 0), - SOC_SINGLE("ALC Capture Attack", WM8978_ALC_CONTROL_3, 0, 15, 0), + SOC_SINGLE("ALC Capture Decay", WM8978_ALC_CONTROL_3, 4, 10, 0), + SOC_SINGLE("ALC Capture Attack", WM8978_ALC_CONTROL_3, 0, 10, 0), SOC_SINGLE("ALC Capture Noise Gate Switch", WM8978_NOISE_GATE, 3, 1, 0), SOC_SINGLE("ALC Capture Noise Gate Threshold", @@ -211,8 +211,10 @@ static const struct snd_kcontrol_new wm8978_snd_controls[] = { WM8978_LOUT2_SPK_CONTROL, WM8978_ROUT2_SPK_CONTROL, 6, 1, 1), /* DAC / ADC oversampling */ - SOC_SINGLE("DAC 128x Oversampling Switch", WM8978_DAC_CONTROL, 8, 1, 0), - SOC_SINGLE("ADC 128x Oversampling Switch", WM8978_ADC_CONTROL, 8, 1, 0), + SOC_SINGLE("DAC 128x Oversampling Switch", WM8978_DAC_CONTROL, + 5, 1, 0), + SOC_SINGLE("ADC 128x Oversampling Switch", WM8978_ADC_CONTROL, + 5, 1, 0), }; /* Mixer #1: Output (OUT1, OUT2) Mixer: mix AUX, Input mixer output and DAC */ diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index ebaee5ca743..c6c958ee5d5 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -110,6 +110,9 @@ struct wm8994_priv { unsigned int aif1clk_enable:1; unsigned int aif2clk_enable:1; + + unsigned int aif1clk_disable:1; + unsigned int aif2clk_disable:1; }; static int wm8994_readable(unsigned int reg) @@ -1015,14 +1018,18 @@ static int late_enable_ev(struct snd_soc_dapm_widget *w, switch (event) { case SND_SOC_DAPM_PRE_PMU: - if (wm8994->aif1clk_enable) + if (wm8994->aif1clk_enable) { snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1, WM8994_AIF1CLK_ENA_MASK, WM8994_AIF1CLK_ENA); - if (wm8994->aif2clk_enable) + wm8994->aif1clk_enable = 0; + } + if (wm8994->aif2clk_enable) { snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1, WM8994_AIF2CLK_ENA_MASK, WM8994_AIF2CLK_ENA); + wm8994->aif2clk_enable = 0; + } break; } @@ -1037,15 +1044,15 @@ static int late_disable_ev(struct snd_soc_dapm_widget *w, switch (event) { case SND_SOC_DAPM_POST_PMD: - if (wm8994->aif1clk_enable) { + if (wm8994->aif1clk_disable) { snd_soc_update_bits(codec, WM8994_AIF1_CLOCKING_1, WM8994_AIF1CLK_ENA_MASK, 0); - wm8994->aif1clk_enable = 0; + wm8994->aif1clk_disable = 0; } - if (wm8994->aif2clk_enable) { + if (wm8994->aif2clk_disable) { snd_soc_update_bits(codec, WM8994_AIF2_CLOCKING_1, WM8994_AIF2CLK_ENA_MASK, 0); - wm8994->aif2clk_enable = 0; + wm8994->aif2clk_disable = 0; } break; } @@ -1063,6 +1070,9 @@ static int aif1clk_ev(struct snd_soc_dapm_widget *w, case SND_SOC_DAPM_PRE_PMU: wm8994->aif1clk_enable = 1; break; + case SND_SOC_DAPM_POST_PMD: + wm8994->aif1clk_disable = 1; + break; } return 0; @@ -1078,11 +1088,21 @@ static int aif2clk_ev(struct snd_soc_dapm_widget *w, case SND_SOC_DAPM_PRE_PMU: wm8994->aif2clk_enable = 1; break; + case SND_SOC_DAPM_POST_PMD: + wm8994->aif2clk_disable = 1; + break; } return 0; } +static int adc_mux_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + late_enable_ev(w, kcontrol, event); + return 0; +} + static int dac_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { @@ -1398,11 +1418,23 @@ SND_SOC_DAPM_DAC_E("DAC1R", NULL, SND_SOC_NOPM, 0, 0, static const struct snd_soc_dapm_widget wm8994_dac_widgets[] = { SND_SOC_DAPM_DAC("DAC2L", NULL, WM8994_POWER_MANAGEMENT_5, 3, 0), -SND_SOC_DAPM_DAC("DAC1R", NULL, WM8994_POWER_MANAGEMENT_5, 2, 0), +SND_SOC_DAPM_DAC("DAC2R", NULL, WM8994_POWER_MANAGEMENT_5, 2, 0), SND_SOC_DAPM_DAC("DAC1L", NULL, WM8994_POWER_MANAGEMENT_5, 1, 0), SND_SOC_DAPM_DAC("DAC1R", NULL, WM8994_POWER_MANAGEMENT_5, 0, 0), }; +static const struct snd_soc_dapm_widget wm8994_adc_revd_widgets[] = { +SND_SOC_DAPM_MUX_E("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux, + adc_mux_ev, SND_SOC_DAPM_PRE_PMU), +SND_SOC_DAPM_MUX_E("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux, + adc_mux_ev, SND_SOC_DAPM_PRE_PMU), +}; + +static const struct snd_soc_dapm_widget wm8994_adc_widgets[] = { +SND_SOC_DAPM_MUX("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux), +SND_SOC_DAPM_MUX("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux), +}; + static const struct snd_soc_dapm_widget wm8994_dapm_widgets[] = { SND_SOC_DAPM_INPUT("DMIC1DAT"), SND_SOC_DAPM_INPUT("DMIC2DAT"), @@ -1497,9 +1529,6 @@ SND_SOC_DAPM_ADC("DMIC1R", NULL, WM8994_POWER_MANAGEMENT_4, 2, 0), SND_SOC_DAPM_ADC("ADCL", NULL, SND_SOC_NOPM, 1, 0), SND_SOC_DAPM_ADC("ADCR", NULL, SND_SOC_NOPM, 0, 0), -SND_SOC_DAPM_MUX("ADCL Mux", WM8994_POWER_MANAGEMENT_4, 1, 0, &adcl_mux), -SND_SOC_DAPM_MUX("ADCR Mux", WM8994_POWER_MANAGEMENT_4, 0, 0, &adcr_mux), - SND_SOC_DAPM_MUX("Left Headphone Mux", SND_SOC_NOPM, 0, 0, &hpl_mux), SND_SOC_DAPM_MUX("Right Headphone Mux", SND_SOC_NOPM, 0, 0, &hpr_mux), @@ -3280,11 +3309,15 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec) if (wm8994->revision < 4) { snd_soc_dapm_new_controls(dapm, wm8994_lateclk_revd_widgets, ARRAY_SIZE(wm8994_lateclk_revd_widgets)); + snd_soc_dapm_new_controls(dapm, wm8994_adc_revd_widgets, + ARRAY_SIZE(wm8994_adc_revd_widgets)); snd_soc_dapm_new_controls(dapm, wm8994_dac_revd_widgets, ARRAY_SIZE(wm8994_dac_revd_widgets)); } else { snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets, ARRAY_SIZE(wm8994_lateclk_widgets)); + snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets, + ARRAY_SIZE(wm8994_adc_widgets)); snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets, ARRAY_SIZE(wm8994_dac_widgets)); } @@ -3292,6 +3325,12 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec) case WM8958: snd_soc_add_controls(codec, wm8958_snd_controls, ARRAY_SIZE(wm8958_snd_controls)); + snd_soc_dapm_new_controls(dapm, wm8994_lateclk_widgets, + ARRAY_SIZE(wm8994_lateclk_widgets)); + snd_soc_dapm_new_controls(dapm, wm8994_adc_widgets, + ARRAY_SIZE(wm8994_adc_widgets)); + snd_soc_dapm_new_controls(dapm, wm8994_dac_widgets, + ARRAY_SIZE(wm8994_dac_widgets)); snd_soc_dapm_new_controls(dapm, wm8958_dapm_widgets, ARRAY_SIZE(wm8958_dapm_widgets)); break; @@ -3317,6 +3356,8 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec) } break; case WM8958: + snd_soc_dapm_add_routes(dapm, wm8994_lateclk_intercon, + ARRAY_SIZE(wm8994_lateclk_intercon)); snd_soc_dapm_add_routes(dapm, wm8958_intercon, ARRAY_SIZE(wm8958_intercon)); break; diff --git a/sound/soc/codecs/wm9081.c b/sound/soc/codecs/wm9081.c index 43825b2102a..cce704c275c 100644 --- a/sound/soc/codecs/wm9081.c +++ b/sound/soc/codecs/wm9081.c @@ -15,6 +15,7 @@ #include <linux/moduleparam.h> #include <linux/init.h> #include <linux/delay.h> +#include <linux/device.h> #include <linux/pm.h> #include <linux/i2c.h> #include <linux/platform_device.h> @@ -1341,6 +1342,10 @@ static __devinit int wm9081_i2c_probe(struct i2c_client *i2c, wm9081->control_type = SND_SOC_I2C; wm9081->control_data = i2c; + if (dev_get_platdata(&i2c->dev)) + memcpy(&wm9081->retune, dev_get_platdata(&i2c->dev), + sizeof(wm9081->retune)); + ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm9081, &wm9081_dai, 1); if (ret < 0) diff --git a/sound/soc/omap/am3517evm.c b/sound/soc/omap/am3517evm.c index 161750443eb..73dde4a1adc 100644 --- a/sound/soc/omap/am3517evm.c +++ b/sound/soc/omap/am3517evm.c @@ -139,7 +139,7 @@ static struct snd_soc_dai_link am3517evm_dai = { .cpu_dai_name ="omap-mcbsp-dai.0", .codec_dai_name = "tlv320aic23-hifi", .platform_name = "omap-pcm-audio", - .codec_name = "tlv320aic23-codec", + .codec_name = "tlv320aic23-codec.2-001a", .init = am3517evm_aic23_init, .ops = &am3517evm_ops, }; diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 25e54230cc6..1790f83ee66 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -941,7 +941,7 @@ static void dapm_seq_run(struct snd_soc_dapm_context *dapm, } if (!list_empty(&pending)) - dapm_seq_run_coalesced(dapm, &pending); + dapm_seq_run_coalesced(cur_dapm, &pending); } static void dapm_widget_update(struct snd_soc_dapm_context *dapm) diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index f6a929e7498..0866bcdb5e8 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -270,11 +270,15 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir, const char *name, bool is_kallsyms) { const size_t size = PATH_MAX; - char *realname = realpath(name, NULL), - *filename = malloc(size), + char *realname, *filename = malloc(size), *linkname = malloc(size), *targetname; int len, err = -1; + if (is_kallsyms) + realname = (char *)name; + else + realname = realpath(name, NULL); + if (realname == NULL || filename == NULL || linkname == NULL) goto out_free; @@ -306,7 +310,8 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir, if (symlink(targetname, linkname) == 0) err = 0; out_free: - free(realname); + if (!is_kallsyms) + free(realname); free(filename); free(linkname); return err; diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 7821d0e6866..b1bf490aff8 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1836,7 +1836,7 @@ int dso__load_vmlinux(struct dso *self, struct map *map, int err = -1, fd; char symfs_vmlinux[PATH_MAX]; - snprintf(symfs_vmlinux, sizeof(symfs_vmlinux), "%s/%s", + snprintf(symfs_vmlinux, sizeof(symfs_vmlinux), "%s%s", symbol_conf.symfs, vmlinux); fd = open(symfs_vmlinux, O_RDONLY); if (fd < 0) |