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authorMandeep Singh Baines <msb@chromium.org>2012-01-03 14:41:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-03 16:14:32 -0800
commitf9fab10bbd768b0e5254e53a4a8477a94bfc4b96 (patch)
tree7f4efb5c46582765c12249f652a8975a1956f781 /fs/eventpoll.c
parent30e053248da178cf6154bb7e950dc8713567e3fa (diff)
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hung_task: fix false positive during vfork
vfork parent uninterruptibly and unkillably waits for its child to exec/exit. This wait is of unbounded length. Ignore such waits in the hung_task detector. Signed-off-by: Mandeep Singh Baines <msb@chromium.org> Reported-by: Sasha Levin <levinsasha928@gmail.com> LKML-Reference: <1325344394.28904.43.camel@lappy> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: John Kacur <jkacur@redhat.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/eventpoll.c')
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