diff options
| author |   Robert Richter <robert.richter@amd.com> | 2010-09-15 18:20:34 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2010-09-24 12:21:41 +0200 |
| commit | 63e6be6d98e1a2bcdca86872b67052e51ab6afa1 (patch) | |
| tree | c7aa3de767ab2f5441c66bdd3ad38cf3b60306ee /drivers/oprofile | |
| parent | tracing/x86: Don't use mcount in kvmclock.c (diff) | |
| download | linux-dev-63e6be6d98e1a2bcdca86872b67052e51ab6afa1.tar.xz linux-dev-63e6be6d98e1a2bcdca86872b67052e51ab6afa1.zip | |
perf, x86: Catch spurious interrupts after disabling counters
Some cpus still deliver spurious interrupts after disabling a
counter. This caused 'undelivered NMI' messages. This patch
fixes this. Introduced by:
4177c42: perf, x86: Try to handle unknown nmis with an enabled PMU
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: gorcunov@gmail.com <gorcunov@gmail.com>
Cc: fweisbec@gmail.com <fweisbec@gmail.com>
Cc: ying.huang@intel.com <ying.huang@intel.com>
Cc: ming.m.lin@intel.com <ming.m.lin@intel.com>
Cc: yinghai@kernel.org <yinghai@kernel.org>
Cc: andi@firstfloor.org <andi@firstfloor.org>
Cc: eranian@google.com <eranian@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20100915162034.GO13563@erda.amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/oprofile')
0 files changed, 0 insertions, 0 deletions