- 06 Jan, 2009 40 commits
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Andrew Morton authored
If bitmap_find_free_region() fails and DMA_MEMORY_EXCLUSIVE is not set, the function will fail to write anything to *ret and will return 1. This will cause dma_alloc_coherent() to return an uninitialised value, crashing the kernel, perhaps via DMA to a random address. Fix that by changing it to return zero in this case, so the caller will proceed to allocate the memory from the generic memory allocator. Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp> Cc: Dmitry Baryshkov <dbaryshkov@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Mauro Carvalho Chehab authored
Signed-off-by:
Ben Woodard <woodard@redhat.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com> Cc: Doug Thompson <norsk5@yahoo.com> Signed-off-by:
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Mauro Carvalho Chehab authored
EDAC driver for i5400 MCH (Seaburg) This driver adds support for i5400 MCH chipset. Signed-off-by:
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Kumar Gala authored
All other compatibles that are uniquely identifying the processor use a prefix of the form fsl,mpc85...'. We add support for it so we can deprecate the older 'fsl,85...' that was improperly used here. Additionally added mpc8536 & mpc8560 to the compatible lists. This patch is based on Nate's 8572 patch. Signed-off-by:
Kumar Gala <galak@kernel.crashing.org> Signed-off-by:
Doug Thompson <dougthompson@xmission.com> Acked-by:
Dave Jiang <djiang@mvista.com> Cc: Nate Case <ncase@xes-inc.com> Signed-off-by:
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Kay Sievers authored
This patch is part of a larger patch series which will remove the "char bus_id[20]" name string from struct device. The device name is managed in the kobject anyway, and without any size limitation, and just needlessly copied into "struct device". [akpm@linux-foundation.org: coding-style fixes] Acked-by:
Greg Kroah-Hartman <gregkh@suse.de> Acked-by:
Kay Sievers <kay.sievers@vrfy.org> Signed-off-by:
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Arjan van de Ven authored
Use the newly introduced pci_ioremap_bar() function in drivers/edac. pci_ioremap_bar() just takes a pci device and a bar number, with the goal of making it really hard to get wrong, while also having a central place to stick sanity checks. Signed-off-by:
Arjan van de Ven <arjan@linux.intel.com> Acked-by:
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Matt Mackall authored
As a non-atomic value, it's only safe to look at entropy_count when the pool lock is held, so we move the BUG_ON inside the lock for correctness. Also remove the spurious comment. It's ok for entropy_count to temporarily exceed POOLBITS so long as it's left in a consistent state when the lock is released. This is a more correct, simple, and idiomatic fix for the bug in 8b76f46a. I've left the reorderings introduced by that patch in place as they're harmless, even though they don't properly deal with potential atomicity issues. Signed-off-by:
Matt Mackall <mpm@selenic.com> Signed-off-by:
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Ilpo Järvinen authored
Signed-off-by:
Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by:
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Robert Millan authored
Make firmware/dsp56k/bootstrap.asm buildable on a56, the free Motorola DSP56001 assembler (http://www.zdomain.com/a56.html). Summary of changes: - Remove '<' and '>' candy (they specify explicit addressing modes, which a56 don't grok, but uses implicitly anyway). - Replace 'move' with 'movem' when accessing program memory. - Rename a few labels to avoid duplicates (which a56 can't handle). Signed-off-by:
Robert Millan <rmh@aybabtu.com> Cc: Jaswinder Singh <jaswinder@infradead.org> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by:
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akpm@linux-foundation.org authored
proc_ipcauto_dointvec_minmax() is the only user of ipc_auto_callback(), since the former function is protected by CONFIG_PROC_FS, so should be the latter one. Just move its definition down. Signed-off-by:
WANG Cong <wangcong@zeuux.org> Cc: Eric Biederman <ebiederm@xmision.com> Cc: Nadia Derbey <Nadia.Derbey@bull.net> Cc: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by:
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Denis V. Lunev authored
Signed-off-by:
Denis V. Lunev <den@openvz.org> Reviewed-by:
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WANG Cong authored
Use the macro shm_ids(). Remove useless check for a userspace pointer, because copy_to_user() will check it. Some style cleanups. Signed-off-by:
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WANG Cong authored
No one cares do_coredump()'s return value, and also it seems that it is also not necessary. So make it void. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
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Hidehiro Kawai authored
Introduce a new kernel parameter `coredump_filter'. Setting a value to this parameter causes the default bitmask of coredump_filter to be changed. It is useful for users to change coredump_filter settings for the whole system at boot time. Without this parameter, users have to change coredump_filter settings for each /proc/<pid>/ in an initializing script. Signed-off-by:
Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> Cc: Roland McGrath <roland@redhat.com> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by:
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Sukadev Bhattiprolu authored
POSIX requires the si_pid to be the process id of the sender, so ->si_pid should really be set to 'tgid'. This change does have following changes in behavior: - When sending pdeath_signal on re-parent to a sub-thread, ->si_pid cannot be used to identify the thread that did the re-parent since it will now show the tgid instead of thread id. - A multi-threaded application that expects to find the specific thread that encountered a SIGPIPE using the ->si_pid will now break. Signed-off-by:
Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Acked-By:
Roland McGrath <roland@redhat.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: Pavel Emelyanov <xemul@openvz.org> Signed-off-by:
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Sukadev Bhattiprolu authored
For SEND_SIG_NOINFO, si_pid is currently set to the pid of sender in sender's active pid namespace. But if the receiver is in a Eg: when parent sends the 'pdeath_signal' to a child that is in a descendant pid namespace, we should set si_pid 0. Signed-off-by:
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Randy Dunlap authored
Reformat text to (mostly) stay within 80 columns of text. Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Randy Dunlap authored
Add some (more) early_param boot options to kernel-parameters.txt. Signed-off-by:
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Randy Dunlap authored
Add info on how to use DOC: sections in kernel-doc. DOC: sections enable the addition of inline source file comments that are general in nature instead of being specific to a function, struct, union, enum, or typedef. Signed-off-by:
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Randy Dunlap authored
Update Documentation/s390/ files to reflect changed header files locations. Signed-off-by:
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Randy Dunlap authored
Update several Documentation/ files and a few sub-dir files (only one change in each) to reflect changed header files locations. Signed-off-by:
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Randy Dunlap authored
Remove excess kernel-doc notation from rio header and driver: Warning(include/linux/rio_drv.h:399): Excess function parameter or struct member 'buffer' description in 'rio_get_inb_message' Signed-off-by:
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Randy Dunlap authored
Add documentation on how to use kernel-doc for function parameters that are "..." (varargs). Signed-off-by:
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Randy Dunlap authored
Fix varargs kernel-doc format in kmod.c: Use @... instead of @varargs. Warning(kernel/kmod.c:67): Excess function parameter or struct member 'varargs' description in 'request_module' Signed-off-by:
Rusty Russell <rusty@rustcorp.com.au> Signed-off-by:
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Evgeniy Dushistov authored
Fix the add link method. The oosition in the directory was calculated in wrong way - it had the incorrect shift direction. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by:
Evgeniy Dushistov <dushistov@mail.ru> Cc: Nick Piggin <nickpiggin@yahoo.com.au> Cc: <stable@kernel.org> [2.6.lots] Signed-off-by:
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Geert Uytterhoeven authored
The code to draw penguin logos always uses some properties of the main logo. This is incorrect if additional logos (CONFIG_FB_LOGO_EXTRA=y) have different types than the main logo, which causes corrupted logo images. http://bugzilla.kernel.org/show_bug.cgi?id=12181 Hence skip additional logos that are not compatible with the main logo. Technically, it's possible to draw multiple logos of different types on truecolor displays, but this would complicate the (already quite complicated) logo drawing code even more. This patch fixes a problem with Debian's linux-image-2.6.26-1-powerpc64 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=508173Signed-off-by:
Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by:
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roel kluin authored
unsigned ptr cannot be negative Signed-off-by:
Roel Kluin <roel.kluin@gmail.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by:
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Hannes Eder authored
Fix this sparse warnings: drivers/video/intelfb/intelfbdrv.c:1497:3: warning: returning void-valued expression drivers/video/intelfb/intelfbdrv.c:1525:3: warning: returning void-valued expression drivers/video/intelfb/intelfbdrv.c:1544:3: warning: returning void-valued expression drivers/video/intelfb/intelfbdrv.c:1558:3: warning: returning void-valued expression Signed-off-by:
Hannes Eder <hannes@hanneseder.net> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by:
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Hannes Eder authored
Fix this sparse warnings: drivers/video/i810/i810_accel.c:305:3: warning: returning void-valued expression drivers/video/i810/i810_accel.c:331:3: warning: returning void-valued expression drivers/video/i810/i810_accel.c:370:3: warning: returning void-valued expression Signed-off-by:
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Hannes Eder authored
Fix this sparse warnings: drivers/video/neofb.c:1456:4: warning: returning void-valued expression drivers/video/neofb.c:1464:3: warning: returning void-valued expression Signed-off-by:
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Hannes Eder authored
Fix this sparse warning: drivers/video/pm3fb.c:543:3: warning: returning void-valued expression Signed-off-by:
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Hannes Eder authored
Fix this sparse warnings: drivers/video/via/viafbdev.c:871:3: warning: returning void-valued expression drivers/video/via/viafbdev.c:938:3: warning: returning void-valued expression drivers/video/via/viafbdev.c:995:3: warning: returning void-valued expression Signed-off-by:
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Hannes Eder authored
Fix this sparse warnings: drivers/video/nvidia/nv_accel.c:304:3: warning: returning void-valued expression drivers/video/nvidia/nv_accel.c:323:3: warning: returning void-valued expression Signed-off-by:
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roel kluin authored
unsigned var->pixclock cannot be less than 0 Signed-off-by:
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Harvey Harrison authored
drivers/video/carminefb.c:171:41: warning: cast to restricted __be32 Signed-off-by:
Harvey Harrison <harvey.harrison@gmail.com> Cc: Sebastian Siewior <bigeasy@linutronix.de> Signed-off-by:
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Harvey Harrison authored
__FUNCTION__ is gcc-specific, use __func__ Signed-off-by:
Bryan Wu <bryan.wu@analog.com> Signed-off-by:
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Jiri Moravec authored
When I viewed drivers/video/modedb.c, I noticed a very old typo already contained in 2.6.0. This typo remained unheeded at least 5 years. Clear evidence of its importance. ;) Acked-by:
Geert Uytterhoeven <geert@linux-m68k.org> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by:
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Arjan van de Ven authored
Use the newly introduced pci_ioremap_bar() function in drivers/video. pci_ioremap_bar() just takes a pci device and a bar number, with the goal of making it really hard to get wrong, while also having a central place to stick sanity checks. Signed-off-by:
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David Brownell authored
Minor updates to the pca953x GPIO expander driver: handle several more compatible parts, and stop assuming that the I2C layer's return codes are garbage (that's now been fixed). Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Cc: Eric Miao <eric.miao@marvell.com> Signed-off-by:
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David Brownell authored
Provide a static debounce configuration mechanism for twl4030 GPIOs, replacing the previous dynamic one. The single user of that mechanism was for MMC card detect debouncing. Boards can provide a bitmask saying which GPIOs to debounce (30 msec). It's always enabled for pins with the MMC card-detect/VMMCx link active, so most boards won't need to set the debounce mask. This is a net code shrink, including runtime footprint. Signed-off-by:
Tony Lindgren <tony@atomide.com> Signed-off-by:
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