From: Kirill Tkhai <ktkhai@parallels.com>
Date: Fri, 12 Sep 2014 11:03:34 +0000 (+0400)
Subject: sched: Do not stop cpu in set_cpus_allowed_ptr() if task is not running
X-Git-Tag: fixes-against-v3.18-rc2~97^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a15b12ac36ad4e7b856a4ae54937ae26a51aebad;p=pandora-kernel.git

sched: Do not stop cpu in set_cpus_allowed_ptr() if task is not running

If a task is queued but not running on it rq, we can simply migrate
it without migration thread and switching of context.

Signed-off-by: Kirill Tkhai <ktkhai@parallels.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1410519814.3569.7.camel@tkhai
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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