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(parent: 6e243f8) | patch
perf: Fix software event overflow
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Thu, 28 Jul 2011 18:47:10 +0000 (20:47 +0200)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 5 Aug 2011 04:58:35 +0000 (21:58 -0700)
commit462fee3af72df0de7b60b96c525ffe8baf4db0f0
tree2ef57937c4aedce2879d9af2cd8ce183342e9c1atree | snapshot
parent6e243f86d1424d7a1d67da4f8527239a786d9c2fcommit | diff
perf: Fix software event overflow

The below patch is for -stable only, upstream has a much larger patch
that contains the below hunk in commit a8b0ca17b80e92faab46ee7179ba9e99ccb61233

Vince found that under certain circumstances software event overflows
go wrong and deadlock. Avoid trying to delete a timer from the timer
callback.

Reported-by: Vince Weaver <vweaver1@eecs.utk.edu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
kernel/events/core.c diff | blob | history
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