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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2011-04-05 17:23:50 +0200
committerIngo Molnar <mingo@elte.hu>2011-04-14 08:52:37 +0200
commit2acca55ed98ad9b9aa25e7e587ebe306c0313dc7 (patch)
treeb06fcc57dc284ccf8dcbda90370fd08250887421 /security
parenta8e4f2eaecc9bfa4954adf79a04f4f22fddd829c (diff)
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sched: Also serialize ttwu_local() with p->pi_lock
Since we now serialize ttwu() using p->pi_lock, we also need to serialize ttwu_local() using that, otherwise, once we drop the rq->lock from ttwu() it can race with ttwu_local(). Reviewed-by: Frank Rowand <frank.rowand@am.sony.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20110405152729.192366907@chello.nl
Diffstat (limited to 'security')
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