From: Fabian Frederick <fabf@skynet.be>
Date: Fri, 20 Feb 2015 18:12:53 +0000 (+0100)
Subject: powerpc/pmac: replace current->state by set_current_state()
X-Git-Tag: omap-for-v4.1/fixes-rc1~126^2~70^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=111fbc68fd895ba437bcb03d5dcc4dd21bc61df8;p=pandora-kernel.git

powerpc/pmac: replace current->state by set_current_state()

Use helper functions to access current->state.
Direct assignments are prone to races and therefore buggy.

current->state = TASK_RUNNING can be replaced by __set_current_state()

Thanks to Peter Zijlstra for the exact definition of the problem.

Suggested-By: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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