| commit | f9fab10bbd768b0e5254e53a4a8477a94bfc4b96 | |
| author | Mandeep Singh Baines <msb@chromium.org> | |
| Tue, 3 Jan 2012 22:41:13 +0000 (3 14:41 -0800) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Wed, 4 Jan 2012 00:14:32 +0000 (3 16:14 -0800) | ||
| tree | 7f4efb5c46582765c12249f652a8975a1956f781 | treesnapshot (tar.gz zip) |
| parent | 30e053248da178cf6154bb7e950dc8713567e3fa | commitdiff |
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>
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>
| kernel/hung_task.c | diffblobblamehistory |