git.openpandora.org / pandora-kernel.git / commitdiff
? search:
summary | shortlog | log | commit | commitdiff | tree
raw | patch | inline | side by side (parent: 9e35ad3)
perf_counter: x86: Robustify interrupt handling
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Thu, 14 May 2009 12:52:17 +0000 (14:52 +0200)
committerIngo Molnar <mingo@elte.hu>
Fri, 15 May 2009 07:47:03 +0000 (09:47 +0200)
Two consecutive NMIs could daze and confuse the machine when the
first would handle the overflow of both counters.

[ Impact: fix false-positive syslog messages under multi-session profiling ]

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/kernel/cpu/perf_counter.c patch | blob | history

diff --cc arch/x86/kernel/cpu/perf_counter.c
Simple merge
Pandora Kernel Repository