From: Joerg Roedel <jroedel@suse.de>
Date: Wed, 9 Jul 2014 15:56:43 +0000 (+0200)
Subject: iommu/amd: Don't hold a reference to task_struct
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~158^2^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dba3838d7af38b15bcc8ff3437362d449408b547;p=pandora-kernel.git

iommu/amd: Don't hold a reference to task_struct

Since we are only caring about the lifetime of the mm_struct
and not the task we can't safely keep a reference to it. The
reference is also not needed anymore, so remove that code
entirely.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Tested-by: Oded Gabbay <Oded.Gabbay@amd.com>
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