From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Date: Thu, 3 Dec 2009 12:49:43 +0000 (+0100)
Subject: flusher: Fix PF_FROZEN race
X-Git-Tag: v2.6.33-rc1~379^2~37
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf7ec5bb6114b2f086e536e24486fdacd1c0d339;p=pandora-kernel.git

flusher: Fix PF_FROZEN race

To touch task->flags directly is racy. thaw_process() still has race
(changing non_current->flags, but this is another issue) though, I think
it's much better off.

So, use thaw_process() instead.

Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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