From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 5 Jan 2015 10:18:10 +0000 (+0100)
Subject: sched/core: Validate rq_clock*() serialization
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~163^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cebde6d681aa45f96111cfcffc1544cf2a0454ff;p=pandora-kernel.git

sched/core: Validate rq_clock*() serialization

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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