sched/core: Add WARNING for multiple update_rq_clock() calls

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Now that we have no missing calls, add a warning to find multiple
calls.

By having only a single update_rq_clock() call per rq-lock section,
the section appears 'atomic' wrt time.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

...

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Peter Zijlstra 2016-10-03 16:53:49 +02:00 • committed by Ingo Molnar

parent 3e777f9909

commit 26ae58d23b

2 changed files with 10 additions and 0 deletions

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3

kernel/sched/core.c

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7

kernel/sched/features.h

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