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git.openfabrics.org - ~emulex/infiniband.git/commit
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>