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authorLinus Torvalds <torvalds@woody.osdl.org>2006-12-09 13:31:07 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-09 13:31:07 -0800
commitaf1713e0f111647052953ba12fd10a59c74a5dde (patch)
tree4a0cc831c88f888e33a6d9c5ff89f80a8aee42a0
parent9b3a89f8b052f2a6193a9691e053f986144a65a0 (diff)
parentf0f32fccbffaaba8596d5c671153aa37aea9d4f0 (diff)
Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6
* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: [PATCH] x86-64: no paravirt for X86_VOYAGER or X86_VISWS [PATCH] i386: Fix io_apic.c warning [PATCH] i386: export smp_num_siblings for oprofile [PATCH] x86: Work around gcc 4.2 over aggressive optimizer [PATCH] x86: Fix boot hang due to nmi watchdog init code [PATCH] x86: Fix verify_quirk_intel_irqbalance() [PATCH] i386: Update defconfig [PATCH] x86-64: Update defconfig
-rw-r--r--arch/i386/Kconfig1
-rw-r--r--arch/i386/defconfig28
-rw-r--r--arch/i386/kernel/io_apic.c2
-rw-r--r--arch/i386/kernel/nmi.c8
-rw-r--r--arch/i386/kernel/quirks.c33
-rw-r--r--arch/i386/kernel/smpboot.c2
-rw-r--r--arch/i386/kernel/vmlinux.lds.S1
-rw-r--r--arch/x86_64/defconfig29
-rw-r--r--arch/x86_64/kernel/nmi.c9
-rw-r--r--arch/x86_64/kernel/vmlinux.lds.S1
10 files changed, 86 insertions, 28 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index c2362c7ba74..0d67a0a1151 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -190,6 +190,7 @@ endchoice
config PARAVIRT
bool "Paravirtualization support (EXPERIMENTAL)"
depends on EXPERIMENTAL
+ depends on !(X86_VISWS || X86_VOYAGER)
help
Paravirtualization is a way of running multiple instances of
Linux on the same machine, under a hypervisor. This option
diff --git a/arch/i386/defconfig b/arch/i386/defconfig
index 65891f11ace..3265208e589 100644
--- a/arch/i386/defconfig
+++ b/arch/i386/defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.19-git7
-# Wed Dec 6 23:50:49 2006
+# Linux kernel version: 2.6.19-git14
+# Sat Dec 9 21:23:14 2006
#
CONFIG_X86_32=y
CONFIG_GENERIC_TIME=y
@@ -12,6 +12,7 @@ CONFIG_X86=y
CONFIG_MMU=y
CONFIG_GENERIC_ISA_DMA=y
CONFIG_GENERIC_IOMAP=y
+CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_DMI=y
@@ -141,6 +142,8 @@ CONFIG_X86_CMPXCHG=y
CONFIG_X86_XADD=y
CONFIG_X86_L1_CACHE_SHIFT=7
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_X86_WP_WORKS_OK=y
CONFIG_X86_INVLPG=y
@@ -203,6 +206,7 @@ CONFIG_MTRR=y
CONFIG_SECCOMP=y
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=250
# CONFIG_KEXEC is not set
@@ -563,6 +567,7 @@ CONFIG_IDEDMA_AUTO=y
#
# CONFIG_RAID_ATTRS is not set
CONFIG_SCSI=y
+# CONFIG_SCSI_TGT is not set
CONFIG_SCSI_NETLINK=y
# CONFIG_SCSI_PROC_FS is not set
@@ -583,6 +588,7 @@ CONFIG_CHR_DEV_SG=y
# CONFIG_SCSI_MULTI_LUN is not set
# CONFIG_SCSI_CONSTANTS is not set
# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
#
# SCSI Transports
@@ -642,6 +648,7 @@ CONFIG_AIC79XX_DEBUG_MASK=0
# CONFIG_SCSI_DC390T is not set
# CONFIG_SCSI_NSP32 is not set
# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_SRP is not set
#
# Serial ATA (prod) and Parallel ATA (experimental) drivers
@@ -1082,10 +1089,7 @@ CONFIG_SOUND=y
# Open Sound System
#
CONFIG_SOUND_PRIME=y
-CONFIG_OSS_OBSOLETE_DRIVER=y
# CONFIG_SOUND_BT878 is not set
-# CONFIG_SOUND_EMU10K1 is not set
-# CONFIG_SOUND_FUSION is not set
# CONFIG_SOUND_ES1371 is not set
CONFIG_SOUND_ICH=y
# CONFIG_SOUND_TRIDENT is not set
@@ -1095,6 +1099,11 @@ CONFIG_SOUND_ICH=y
# CONFIG_SOUND_OSS is not set
#
+# HID Devices
+#
+CONFIG_HID=y
+
+#
# USB support
#
CONFIG_USB_ARCH_HAS_HCD=y
@@ -1158,8 +1167,7 @@ CONFIG_USB_STORAGE=y
# USB Input Devices
#
CONFIG_USB_HID=y
-CONFIG_USB_HIDINPUT=y
-# CONFIG_USB_HIDINPUT_POWERBOOK is not set
+# CONFIG_USB_HID_POWERBOOK is not set
# CONFIG_HID_FF is not set
# CONFIG_USB_HIDDEV is not set
# CONFIG_USB_AIPTEK is not set
@@ -1444,6 +1452,11 @@ CONFIG_NLS_ISO8859_15=y
CONFIG_NLS_UTF8=y
#
+# Distributed Lock Manager
+#
+# CONFIG_DLM is not set
+
+#
# Instrumentation Support
#
CONFIG_PROFILING=y
@@ -1509,6 +1522,7 @@ CONFIG_DOUBLEFAULT=y
#
# Library routines
#
+CONFIG_BITREVERSE=y
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
CONFIG_CRC32=y
diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index e21dcde0790..2424cc9c7b3 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -2485,7 +2485,7 @@ device_initcall(ioapic_init_sysfs);
int create_irq(void)
{
/* Allocate an unused irq */
- int irq, new, vector;
+ int irq, new, vector = 0;
unsigned long flags;
irq = -ENOSPC;
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index f5bc7e1be80..a5e34d65596 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -195,6 +195,8 @@ static __cpuinit inline int nmi_known_cpu(void)
return 0;
}
+static int endflag __initdata = 0;
+
#ifdef CONFIG_SMP
/* The performance counters used by NMI_LOCAL_APIC don't trigger when
* the CPU is idle. To make sure the NMI watchdog really ticks on all
@@ -202,7 +204,6 @@ static __cpuinit inline int nmi_known_cpu(void)
*/
static __init void nmi_cpu_busy(void *data)
{
- volatile int *endflag = data;
local_irq_enable_in_hardirq();
/* Intentionally don't use cpu_relax here. This is
to make sure that the performance counter really ticks,
@@ -210,14 +211,13 @@ static __init void nmi_cpu_busy(void *data)
pause instruction. On a real HT machine this is fine because
all other CPUs are busy with "useless" delay loops and don't
care if they get somewhat less cycles. */
- while (*endflag == 0)
- barrier();
+ while (endflag == 0)
+ mb();
}
#endif
static int __init check_nmi_watchdog(void)
{
- volatile int endflag = 0;
unsigned int *prev_nmi_count;
int cpu;
diff --git a/arch/i386/kernel/quirks.c b/arch/i386/kernel/quirks.c
index a01320a7b63..34874c398b4 100644
--- a/arch/i386/kernel/quirks.c
+++ b/arch/i386/kernel/quirks.c
@@ -10,13 +10,38 @@
#if defined(CONFIG_X86_IO_APIC) && defined(CONFIG_SMP) && defined(CONFIG_PCI)
static void __devinit verify_quirk_intel_irqbalance(struct pci_dev *dev)
{
+ u8 config, rev;
+ u32 word;
+
+ /* BIOS may enable hardware IRQ balancing for
+ * E7520/E7320/E7525(revision ID 0x9 and below)
+ * based platforms.
+ * For those platforms, make sure that the genapic is set to 'flat'
+ */
+ pci_read_config_byte(dev, PCI_CLASS_REVISION, &rev);
+ if (rev > 0x9)
+ return;
+
+ /* enable access to config space*/
+ pci_read_config_byte(dev, 0xf4, &config);
+ pci_write_config_byte(dev, 0xf4, config|0x2);
+
+ /* read xTPR register */
+ raw_pci_ops->read(0, 0, 0x40, 0x4c, 2, &word);
+
+ if (!(word & (1 << 13))) {
#ifdef CONFIG_X86_64
- if (genapic != &apic_flat)
- panic("APIC mode must be flat on this system\n");
+ if (genapic != &apic_flat)
+ panic("APIC mode must be flat on this system\n");
#elif defined(CONFIG_X86_GENERICARCH)
- if (genapic != &apic_default)
- panic("APIC mode must be default(flat) on this system. Use apic=default\n");
+ if (genapic != &apic_default)
+ panic("APIC mode must be default(flat) on this system. Use apic=default\n");
#endif
+ }
+
+ /* put back the original value for config space*/
+ if (!(config & 0x2))
+ pci_write_config_byte(dev, 0xf4, config);
}
void __init quirk_intel_irqbalance(void)
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index 1e00b03163b..b0f84e5778a 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -69,7 +69,7 @@ static int __devinitdata smp_b_stepping;
/* Number of siblings per CPU package */
int smp_num_siblings = 1;
-#ifdef CONFIG_X86_HT
+#ifdef CONFIG_SMP
EXPORT_SYMBOL(smp_num_siblings);
#endif
diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S
index 16d3c7133ad..a53c8b1854b 100644
--- a/arch/i386/kernel/vmlinux.lds.S
+++ b/arch/i386/kernel/vmlinux.lds.S
@@ -26,6 +26,7 @@ OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
OUTPUT_ARCH(i386)
ENTRY(phys_startup_32)
jiffies = jiffies_64;
+_proxy_pda = 0;
PHDRS {
text PT_LOAD FLAGS(5); /* R_E */
diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig
index 96f226cfb33..1a1c6a1a299 100644
--- a/arch/x86_64/defconfig
+++ b/arch/x86_64/defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.19-git7
-# Wed Dec 6 23:50:47 2006
+# Linux kernel version: 2.6.19-git14
+# Sat Dec 9 21:23:09 2006
#
CONFIG_X86_64=y
CONFIG_64BIT=y
@@ -22,6 +22,9 @@ CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_ARCH_POPULATES_NODE_MAP=y
CONFIG_DMI=y
CONFIG_AUDIT_ARCH=y
+CONFIG_GENERIC_BUG=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
#
@@ -170,6 +173,7 @@ CONFIG_SECCOMP=y
# CONFIG_CC_STACKPROTECTOR is not set
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=250
# CONFIG_REORDER is not set
@@ -514,6 +518,7 @@ CONFIG_IDEDMA_AUTO=y
#
# CONFIG_RAID_ATTRS is not set
CONFIG_SCSI=y
+# CONFIG_SCSI_TGT is not set
CONFIG_SCSI_NETLINK=y
# CONFIG_SCSI_PROC_FS is not set
@@ -534,6 +539,7 @@ CONFIG_CHR_DEV_SG=y
# CONFIG_SCSI_MULTI_LUN is not set
CONFIG_SCSI_CONSTANTS=y
# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
#
# SCSI Transports
@@ -587,6 +593,7 @@ CONFIG_MEGARAID_SAS=y
# CONFIG_SCSI_DC395x is not set
# CONFIG_SCSI_DC390T is not set
# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_SRP is not set
#
# Serial ATA (prod) and Parallel ATA (experimental) drivers
@@ -1106,10 +1113,7 @@ CONFIG_SOUND=y
# Open Sound System
#
CONFIG_SOUND_PRIME=y
-CONFIG_OSS_OBSOLETE_DRIVER=y
# CONFIG_SOUND_BT878 is not set
-# CONFIG_SOUND_EMU10K1 is not set
-# CONFIG_SOUND_FUSION is not set
# CONFIG_SOUND_ES1371 is not set
CONFIG_SOUND_ICH=y
# CONFIG_SOUND_TRIDENT is not set
@@ -1119,6 +1123,11 @@ CONFIG_SOUND_ICH=y
# CONFIG_SOUND_OSS is not set
#
+# HID Devices
+#
+CONFIG_HID=y
+
+#
# USB support
#
CONFIG_USB_ARCH_HAS_HCD=y
@@ -1182,8 +1191,7 @@ CONFIG_USB_STORAGE=y
# USB Input Devices
#
CONFIG_USB_HID=y
-CONFIG_USB_HIDINPUT=y
-# CONFIG_USB_HIDINPUT_POWERBOOK is not set
+# CONFIG_USB_HID_POWERBOOK is not set
# CONFIG_HID_FF is not set
# CONFIG_USB_HIDDEV is not set
# CONFIG_USB_AIPTEK is not set
@@ -1475,6 +1483,11 @@ CONFIG_NLS_ISO8859_15=y
CONFIG_NLS_UTF8=y
#
+# Distributed Lock Manager
+#
+# CONFIG_DLM is not set
+
+#
# Instrumentation Support
#
CONFIG_PROFILING=y
@@ -1504,6 +1517,7 @@ CONFIG_DETECT_SOFTLOCKUP=y
# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
# CONFIG_DEBUG_INFO is not set
CONFIG_DEBUG_FS=y
# CONFIG_DEBUG_VM is not set
@@ -1534,6 +1548,7 @@ CONFIG_DEBUG_STACKOVERFLOW=y
#
# Library routines
#
+CONFIG_BITREVERSE=y
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
CONFIG_CRC32=y
diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c
index 27e95e7922c..186aebbae32 100644
--- a/arch/x86_64/kernel/nmi.c
+++ b/arch/x86_64/kernel/nmi.c
@@ -193,6 +193,8 @@ void nmi_watchdog_default(void)
nmi_watchdog = NMI_IO_APIC;
}
+static int endflag __initdata = 0;
+
#ifdef CONFIG_SMP
/* The performance counters used by NMI_LOCAL_APIC don't trigger when
* the CPU is idle. To make sure the NMI watchdog really ticks on all
@@ -200,7 +202,6 @@ void nmi_watchdog_default(void)
*/
static __init void nmi_cpu_busy(void *data)
{
- volatile int *endflag = data;
local_irq_enable_in_hardirq();
/* Intentionally don't use cpu_relax here. This is
to make sure that the performance counter really ticks,
@@ -208,14 +209,13 @@ static __init void nmi_cpu_busy(void *data)
pause instruction. On a real HT machine this is fine because
all other CPUs are busy with "useless" delay loops and don't
care if they get somewhat less cycles. */
- while (*endflag == 0)
- barrier();
+ while (endflag == 0)
+ mb();
}
#endif
int __init check_nmi_watchdog (void)
{
- volatile int endflag = 0;
int *counts;
int cpu;
@@ -256,6 +256,7 @@ int __init check_nmi_watchdog (void)
if (!atomic_read(&nmi_active)) {
kfree(counts);
atomic_set(&nmi_active, -1);
+ endflag = 1;
return -1;
}
endflag = 1;
diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S
index 6c417788c54..514be5dd230 100644
--- a/arch/x86_64/kernel/vmlinux.lds.S
+++ b/arch/x86_64/kernel/vmlinux.lds.S
@@ -13,6 +13,7 @@ OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
OUTPUT_ARCH(i386:x86-64)
ENTRY(phys_startup_64)
jiffies_64 = jiffies;
+_proxy_pda = 0;
PHDRS {
text PT_LOAD FLAGS(5); /* R_E */
data PT_LOAD FLAGS(7); /* RWE */