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sched: Taint kernel with TAINT_WARN after sleep-in-atomic bug

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Usually sleep-in-atomic bugs are followed by dozens other warnings.
This patch should help to figure out original source of problem.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20120510122004.4873.12726.stgit@zurg
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Konstantin Khlebnikov 2012-05-10 16:20:04 +04:00 committed by Ingo Molnar
parent 8e7fbcbc22
commit 1c2927f185
1 changed files with 1 additions and 0 deletions
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kernel/sched/core.c
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@ -3138,6 +3138,7 @@ static noinline void __schedule_bug(struct task_struct *prev)
if (irqs_disabled())
print_irqtrace_events(prev);
dump_stack();
add_taint(TAINT_WARN);
}
/*