commit | a4016a79fcbd139e7378944c0d86a39fdbc70ecc | [log] [tgz] |
---|---|---|
author | Peter Zijlstra <a.p.zijlstra@chello.nl> | Thu May 14 14:52:17 2009 +0200 |
committer | Ingo Molnar <mingo@elte.hu> | Fri May 15 09:47:03 2009 +0200 |
tree | 5cb378852a6714d84c6e5db1936bfff14c5d9c0d | |
parent | 9e35ad388bea89f7d6f375af4c0ae98803688666 [diff] |
perf_counter: x86: Robustify interrupt handling 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>