sched: Add better debug output for might_sleep()

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might_sleep() can tell us where interrupts have been disabled, but we
have no idea what disabled preemption. Add some debug infrastructure.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1391803122-4425-4-git-send-email-bigeasy@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Thomas Gleixner 2014-02-07 20:58:39 +01:00 • committed by Ingo Molnar

parent db273be2a7

commit 8f47b1871b

2 changed files with 24 additions and 2 deletions

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3

include/linux/sched.h

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23

kernel/sched/core.c

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