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[patch 0/2] x86: NMI-safe trap handlers
Hi, There seem to have been some churn regarding Perf problems with per-cpu memory allocation which uses vmalloc. Long story short: faulting NMIs reactivate NMIs faster than supposed, because x86 re-enables NMIs at the first iret encountered, which leads to nested NMIs. x86_32 cannot use vmalloc_sync_all() to ... 14 Jul 2010 12:05
[PATCH] input: Fix wrong dimensions check for synaptics
The commit 83ba9ea8a04b72dfee2515428c15e7414ba4fc61 ommitted the return line for the old synaptics model accidentally. This resulted in a wrong check, namely, the dimensions are checked for the old devices that don't support the query properly. This patch adds the return line back. Signed-off-by: Takashi Iwai... 14 Jul 2010 12:04
Kbuild: Add option to set -femit-struct-debug-baseonly
On 07/14/2010 03:43 PM, Andi Kleen wrote: Kbuild: Add option to set -femit-struct-debug-baseonly Newer gcc has a -femit-struct-debug-baseonly option that dramatically reduces the size of object files with debug info. What it does is to only emit type information for structures when the structures ar... 14 Jul 2010 12:04
[PATCH] cfq-iosched: don't allow aliased requests to starve others
Hi, In running a test case that tries to trip up the kernel's AIO implementation, we ran into a situation where no other I/O to the device under test would be completed. The test program spawned (in this case) 100 threads, each of which performed the following in a loop: open file O_DIRECT queue 1MB of read ... 14 Jul 2010 12:04
wm8727: add a missing return in wm8727_platform_probe
On Wed, 2010-07-14 at 18:57 +0800, Axel Lin wrote: otherwise the error path will always be executed. Signed-off-by: Axel Lin <axel.lin(a)gmail.com> --- sound/soc/codecs/wm8727.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/sound/soc/codecs/wm8727.c b/sound/soc/codecs... 14 Jul 2010 16:31
Warn about unstable TSC
On 07/12/2010 10:25 PM, Zachary Amsden wrote: If creating an SMP guest with unstable host TSC, issue a warning Signed-off-by: Zachary Amsden<zamsden(a)redhat.com> Acked-by: Rik van Riel <riel(a)redhat.com> -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" i... 18 Jul 2010 11:36
[RFC] implement size_append in perl
On 07/14/2010 07:01 AM, Alexander Shishkin wrote: +size_append = $(PERL) -e 'print pack("V", (stat "$(lastword $1)")[7])' Why the "lastword"? -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http:/... 14 Jul 2010 17:38
Make cpu_tsc_khz updates use local CPU
On 07/12/2010 10:25 PM, Zachary Amsden wrote: This simplifies much of the init code; we can now simply always call tsc_khz_changed, optionally passing it a new value, or letting it figure out the existing value (while interrupts are disabled, and thus, by inference from the rule, not raceful against CPU hot... 20 Jul 2010 19:05
Remove 9 second reboot delay on Lenovo T400/T500
On Wed, Jul 14, 2010 at 03:33:08PM +0100, Pedro Ribeiro wrote: Please consider this patch. Let me know if you would like me to change anything or if you don't agree with it. It applies cleanly to 2.6.35-rc5. The Lenovo T400 and T500 have an annoying 9 second delay when rebooting, unless reboot=pci i... 14 Jul 2010 12:04
[PATCH] deadline-iosched: don't allow aliased requests to starve others
Hi, In running a test case that tries to trip up the kernel's AIO implementation, we ran into a situation where no other I/O to the device under test would be completed. The test program spawned (in this case) 100 threads, each of which performed the following in a loop: open file O_DIRECT queue 1MB of read ... 14 Jul 2010 10:57
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