From: Oleg Nesterov <oleg@redhat.com>
Date: Fri, 6 Jun 2014 21:36:44 +0000 (-0700)
Subject: ptrace: task_clear_jobctl_trapping()->wake_up_bit() needs mb()
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~91^2~4^2~102
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=650226bd95817d727c9a388752d72ef292c4a668;p=pandora-kernel.git

ptrace: task_clear_jobctl_trapping()->wake_up_bit() needs mb()

__wake_up_bit() checks waitqueue_active() and thus the caller needs mb()
as wake_up_bit() documents, fix task_clear_jobctl_trapping().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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