sched/core: Validate rq_clock*() serialization

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rq->clock{,_task} are serialized by rq->lock, verify this.

One immediate fail is the usage in scale_rt_capability, so 'annotate'
that for now, there's more 'funny' there. Maybe change rq->lock into a
raw_seqlock_t?

(Only 32-bit is affected)

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20150105103554.361872747@infradead.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: umgwanakikbuti@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Peter Zijlstra 2015-01-05 11:18:10 +01:00 • committed by Ingo Molnar

parent 1b537c7d1e

commit cebde6d681

2 changed files with 8 additions and 1 deletions

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2

kernel/sched/fair.c

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7

kernel/sched/sched.h

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