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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-05-14 08:52:17 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-15 03:47:03 -0400 |
| commit | a4016a79fcbd139e7378944c0d86a39fdbc70ecc (patch) | |
| tree | 5cb378852a6714d84c6e5db1936bfff14c5d9c0d /Documentation/block | |
| 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>
Diffstat (limited to 'Documentation/block')
0 files changed, 0 insertions, 0 deletions