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* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (21 commits)
[S390] dasd: fix race condition in resume code
[S390] Add EX_TABLE for addressing exception in usercopy functions.
[S390] 64-bit register support for 31-bit processes
[S390] hibernate: Use correct place for CPU address in lowcore
[S390] pm: ignore time spend in suspended state
[S390] zcrypt: Improve some comments
[S390] zcrypt: Fix sparse warning.
[S390] perf_counter: fix vdso detection
[S390] ftrace: drop nmi protection
[S390] compat: fix truncate system call wrapper
[S390] Provide arch specific mdelay implementation.
[S390] Fix enabled udelay for short delays.
[S390] cio: allow setting boxed devices offline
[S390] cio: make not operational handling consistent
[S390] cio: make disconnected handling consistent
[S390] Fix memory leak in /proc/cio_ignore
[S390] cio: channel path memory leak
[S390] module: fix memory leak in s390 module loader
[S390] Enable kmemleak on s390.
[S390] 3270 console build fix
...
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After m68k's task_thread_info() doesn't refer to current,
it's possible to remove sched.h from interrupt.h and not break m68k!
Many thanks to Heiko Carstens for allowing this.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: i8042 - print debug data when testing AUX IRQ delivery
Input: libps2 - fix dependancy on i8042
Input: fix rx51 board keymap
Input: ad7879 - pass up error codes from probe functions
Input: xpad - add BigBen Interactive XBOX 360 Controller
Input: rotary_encoder - fix relative axis support
Input: sparkspkr - move remove() functions to .devexit.text
Input: wistron_btns - add DMI entry for Medion WIM2030 laptop
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git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin:
Blackfin: convert to GENERIC_HARDIRQS_NO__DO_IRQ
Blackfin: drop all simple-gpio board resources
Blackfin: fix framebuffer mmap bug for nommu
Blackfin: includecheck fix: mach-bf548, ezkit.c
Blackfin: drop cs_change_per_word setting
Blackfin: bf533-ezkit: convert to physmap/jedec_probe
Blackfin: convert adv7393 resources to new i2c framework
Blackfin: fix missed cache config renames
Blackfin: cplbinfo: drop d_path() hacks
Blackfin: asm/irq.h: pull in mach/anomaly.h for anomaly defines
Blackfin: BF51x: add PTP MMR defines
Blackfin: mass clean up of copyright/licensing info
Blackfin: convert to use arch_gettimeoffset()
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh/for-2.6.32' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
sh: Don't allocate smaller sized mappings on every iteration
sh: Try PMB mapping based on physical address, not mapping size
sh: Plug PMB alloc memory leak
sh: Sprinkle __uses_jump_to_uncached
sh: enable sleep state LEDs on Ecovec24
usb: r8a66597-udc unaligned fifo fix
sh: mach-ecovec24: Document DS2 switch settings.
sh: Build fix: export __movmem
sh: Disable unaligned kernel access printks by default.
sh: mach-ecovec24: modify 1st MTD area to read only
sh: mach-ecovec24: Add TouchScreen support
sh: magicpanelr2 and dreamcast can use the generic I/O base.
sh: Don't enable interrupts in the page fault path
sh: Set the default I/O port base to P2SEG.
sh: Handle ioport_map() cases for >= P1SEG addresses.
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Currently, we've got the less than ideal situation where if we need to
allocate a 256MB mapping we'll allocate four entries like so,
entry 1: 128MB
entry 2: 64MB
entry 3: 16MB
entry 4: 16MB
This is because as we execute the loop in pmb_remap() we will
progressively try mapping the remaining address space with smaller and
smaller sizes. This isn't good because the size we use on one iteration
may be the perfect size to use on the next iteration, for instance when
the initial size is divisible by one of the PMB mapping sizes.
With this patch, we now only need two entries in the PMB to map 256MB of
address space,
entry 1: 128MB
entry 2: 128MB
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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We should favour PMB mappings when the physical address cannot be
reached with 29-bits.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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If we fail to allocate a PMB entry in pmb_remap() we must remember to
clear and free any PMB entries that we may have previously allocated,
e.g. if we were allocating a multiple entry mapping.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Fix some callers of jump_to_uncached() and back_to_cached() that were
not annotated with __uses_jump_to_uncached.
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Extend the ecovec24 board code to enable Power
Management LEDs showing the current sh7724 sleep state.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, pci: Correct spelling in a comment
x86: Simplify bound checks in the MTRR code
x86: EDAC: carve out AMD MCE decoding logic
initcalls: Add early_initcall() for modules
x86: EDAC: MCE: Fix MCE decoding callback logic
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sparc-perf-events-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
mm, perf_event: Make vmalloc_user() align base kernel virtual address to SHMLBA
perf_event: Provide vmalloc() based mmap() backing
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, timers: Check for pending timers after (device) interrupts
NOHZ: update idle state also when NOHZ is inactive
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6:
omapfb: Blizzard: constify register address tables
omapfb: Blizzard: fix pointer to be const
omapfb: Condition mutex acquisition
omap: iovmm: Add missing mutex_unlock
omap: iovmm: Fix incorrect spelling
omap: SRAM: flush the right address after memcpy in omap_sram_push
omap: Lock DPLL5 at boot
omap: Fix incorrect 730 vs 850 detection
OMAP3: PM: introduce a new powerdomain walk helper
OMAP3: PM: Enable GPIO module-level wakeups
OMAP3: PM: USBHOST: clear wakeup events on both hosts
OMAP3: PM: PRCM interrupt: only handle selected PRCM interrupts
OMAP3: PM: PRCM interrupt: check MPUGRPSEL register
OMAP3: PM: Prevent hang in prcm_interrupt_handler
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Now that range timers and deferred timers are common, I found a
problem with these using the "perf timechart" tool. Frans Pop also
reported high scheduler latencies via LatencyTop, when using
iwlagn.
It turns out that on x86, these two 'opportunistic' timers only get
checked when another "real" timer happens. These opportunistic
timers have the objective to save power by hitchhiking on other
wakeups, as to avoid CPU wakeups by themselves as much as possible.
The change in this patch runs this check not only at timer
interrupts, but at all (device) interrupts. The effect is that:
1) the deferred timers/range timers get delayed less
2) the range timers cause less wakeups by themselves because
the percentage of hitchhiking on existing wakeup events goes up.
I've verified the working of the patch using "perf timechart", the
original exposed bug is gone with this patch. Frans also reported
success - the latencies are now down in the expected ~10 msec
range.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Tested-by: Frans Pop <elendil@planet.nl>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <20091008064041.67219b13@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
agp: parisc-agp.c - use correct page_mask function
parisc: Fix linker script breakage.
parisc: convert to asm-generic/hardirq.h
parisc: Make THREAD_SIZE available to assembly files and linker scripts.
parisc: correct use of SHF_ALLOC
parisc: rename parisc's vmalloc_start to parisc_vmalloc_start
parisc: add me to Maintainers
parisc: includecheck fix: signal.c
parisc: HAVE_ARCH_TRACEHOOK
parisc: add skeleton syscall.h
parisc: stop using task->ptrace for {single,block}step flags
parisc: split syscall_trace into two halves
parisc: add missing TI_TASK macro in syscall.S
parisc: tracehook_signal_handler
parisc: tracehook_report_syscall
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Blackfin already sets proper flow handlers on all IRQs, and we don't rely
on __do_IRQ, therefore we can simply select GENERIC_HARDIRQS_NO__DO_IRQ.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The simple-gpio has been replaced by the gpio sysfs interface, so drop the
unused simple-gpio resources from all Blackfin boards.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The patch added a special get_unmapped_area for framebuffer which
was hooked to the file ops in drivers/video/fbmem.c.
This is needed since v2.6.29-rc1 where nommu vma management was
updated, and mmap of framebuffer caused kernel BUG panic. You may turn
on "Debug the global anon/private NOMMU mapping region tree" config to
such message.
As Documentation/nommu-mmap.txt said,
"To provide shareable character device support, a driver must provide
a file->f_op->get_unmapped_area() operation. The mmap() routines will
call this to get a proposed address for the mapping."
With this change, user space should call mmap for framebuffer using
shared map. Or it can try shared map first, then private map if
failed. This shared map usage is now consistent between mmu and nommu.
The sys_ file may not be a good place for this patch. But there is a
similar one for sparc. I tested a similar patch on nios2nommu, though
I don't have a blackfin board to test.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Fix the following 'make includecheck' warning:
arch/blackfin/mach-bf548/boards/ezkit.c: linux/input.h is included more than once.
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Structs get initialized to 0 already, and we want to punt this field, so
scrub it from all of our boards.
Reported-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Now that the common jedec_probe supports the ST PSD4256G6V, no need to
use the custom stm_flash driver.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Now that the driver has been updated, convert the board resources to the
new i2c framework for managing slaves.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Looks like the big Kconfig cache split/rename missed one spot in the SMP
cache lock headers.
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The cplbinfo was using d_path() to figure out which cpu/cplb was being
parsed. As Al pointed out, this isn't exactly reliable as it assumes the
static VFS path to be unchanged, and it's just poor form. So use the
proc_create_data() to properly (and internally) pass the exact cpu/cplb
requested to the parser function.
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The asm/irq.h header uses anomaly defines, but doesn't make sure to
explicitly include the anomaly header for them.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Bill Gatliff & David Brownell pointed out we were missing some
copyrights, and licensing terms in some of the files in
./arch/blackfin, so this fixes things, and cleans them up.
It also removes:
- verbose GPL text(refer to the top level ./COPYING file)
- file names (you are looking at the file)
- bug url (it's in the ./MAINTAINERS file)
- "or later" on GPL-2, when we did not have that right
It also allows some Blackfin-specific assembly files to be under a BSD
like license (for people to use them outside of Linux).
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Convert Blackfin to use GENERIC_TIME via the arch_getoffset()
infrastructure, reducing the amount of arch specific code we need to
maintain.
I've taken my best swing at converting this, but I'm not 100% confident
I got it right. My cross-compiler is now out of date (gcc4.2) so I
wasn't able to check if it compiled. Any assistance from arch
maintainers or testers to get this merged would be great.
Signed-off-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm into omap-fixes-for-linus
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I was using Coccinelle with the mutex_unlock semantic patch, and it
unconvered this problem. It appears to be a valid missing unlock issue.
This change should correct it by moving the unlock below the label.
This patch is against the mainline kernel.
Cc: Julia Lawall <julia@diku.dk>
Cc: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Daniel Walker <dwalker@fifo99.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Fix incorrect spelling
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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the original flush operation is to flush the function address which is
copied from.
But we do not change the function code and it is not necessary to flush it.
Signed-off-by: janboe <janboe.ye@gmail.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Some architectures such as Sparc, ARM and MIPS (basically
everything with flush_dcache_page()) need to deal with dcache
aliases by carefully placing pages in both kernel and user maps.
These architectures typically have to use vmalloc_user() for this.
However, on other architectures, vmalloc() is not needed and has
the downsides of being more restricted and slower than regular
allocations.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: David Miller <davem@davemloft.net>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1254830228.21044.272.camel@laptop>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This patch adds an EX_TABLE entry to mvc{p|s|os} usercopy functions that
may be called with KERNEL_DS. In combination with collaborative memory
management, kernel pages marked as unused may trigger an adressing exception
in the usercopy functions. This fixes an unhandled addressing exception bug
where strncpy_from_user() is used with len > strnlen and KERNEL_DS, crossing
a page boundary to an unused page.
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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From: Heiko Carstens <heiko.carstens@de.ibm.com>
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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We used address 0x1084 instead of 0x84 to store the suspend CPU address.
With this patch we use the correct address 0x84 as it is defined in
the POP.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The time a system has been suspended should not show up in any
of the cputime accounting fields. The time of inactivity is definitly
not any form of real cputime nor is it idle time.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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s390 version of f2053f1a "powerpc/perf_counter: Fix vdso detection".
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The function graph tracer used to have a protection against NMI
while entering a function entry tracing. But this is useless now,
the tracer is reentrant and the ring buffer supports NMI tracing.
Same as 07868b086cca784f4b532fc2ab574ec3a73b468a for x86.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The system call takes a signed length parameter. So perform sign
extension instead of zero extension.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Use an own implementation instead of the common code udelay loop.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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When udelay() gets called with a delay that would expire before the
next clock event it reprograms the clock comparator.
When the interrupt happens the clock comparator won't be resetted
therefore the interrupt condition doesn't get cleared.
The result is an endless timer interrupt loop until the next clock
event would expire (stored in lowcore).
So udelay() usually would wait much longer for small delays than it
should.
Fix this by disabling the local tick which makes sure that the clock
comparator will be resetted when a timer interrupt happens.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The s390 version of module_frob_arch_sections allocates additional
syminfos for got and plt offsets. These syminfos are freed on
sucessful module load. If the module fails to load (e.g. missing
dependency when using insmod instead of modprobe) this area is not
freed.
This patch lets module_free free this area. Please note, we have to
set the pointer to NULL since module_free is called several times
from the generic code.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Also increase the maximum possible kmemleak early log entries since
2000 are not sufficient on s390.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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next-20090925 randconfig build breaks on s390x, with CONFIG_AIO=n.
arch/s390/mm/pgtable.c: In function 's390_enable_sie':
arch/s390/mm/pgtable.c:282: error: 'struct mm_struct' has no member named 'ioctx_list'
arch/s390/mm/pgtable.c:298: error: 'struct mm_struct' has no member named 'ioctx_list'
make[1]: *** [arch/s390/mm/pgtable.o] Error 1
Reported-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The original driver was written with the KEY() macro defined as (col,
row) instead of (row, col) as defined by the matrix keypad
infrastructure. So the keymap was defined accordingly. Since the
driver that was merged upstream uses the matrix keypad infrastructure,
modify the keymap accordingly.
While we are at it, fix the comments in twl4030.h and define
PERSISTENT_KEY as (r,c) instead of (c, r)
Tested on a RX51 (N900) device.
Signed-off-by: Amit Kucheria <amit.kucheria@verdurent.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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Lock DPLL5 at 120MHz at boot. The USBHOST 120MHz f-clock and
USBTLL f-clock are the only users of this DPLL, and 120MHz is
is the only recommended rate for these clocks.
With this patch, the 60 MHz ULPI clock is generated correctly.
Tested on an OMAP3430 SDP.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Commit cd92204924fafbd5c7241dfd12ca3176d542e0c5 added
support for omap850. However, the patch accidentally
removed the wrong ifdef:
# define cpu_is_omap730() 1
# endif
#endif
+#else
+# if defined(CONFIG_ARCH_OMAP850)
+# undef cpu_is_omap850
+# define cpu_is_omap850() 1
+# endif
+#endif
...
void omap2_check_revision(void);
#endif /* defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) */
-
-#endif
Instead of removing removing the #endif at the end of the file,
the #endif before #else should have been removed.
But we cannot have multiple #else statements as pointed out by
Alistair Buxton <a.j.buxton@gmail.com>. So the fix is to:
- remove the non-multi-omap special handling, as we need to
detect between omap730 and omap850 anyways.
- add the missing #endif back to the end of the file
Reported-by: Sanjeev Premi <premi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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* 'kvm-updates/2.6.32' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: add support for change_pte mmu notifiers
KVM: MMU: add SPTE_HOST_WRITEABLE flag to the shadow ptes
KVM: MMU: dont hold pagecount reference for mapped sptes pages
KVM: Prevent overflow in KVM_GET_SUPPORTED_CPUID
KVM: VMX: flush TLB with INVEPT on cpu migration
KVM: fix LAPIC timer period overflow
KVM: s390: fix memsize >= 4G
KVM: SVM: Handle tsc in svm_get_msr/svm_set_msr correctly
KVM: SVM: Fix tsc offset adjustment when running nested
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