From: Joerg Roedel <jroedel@suse.de>
Date: Tue, 20 May 2014 21:18:26 +0000 (+0200)
Subject: iommu/amd: Handle parallel invalidate_range_start/end calls correctly
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~91^2~8^2^4~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e79df31c60ea79954e854616da233e1b8c6475ab;p=pandora-kernel.git

iommu/amd: Handle parallel invalidate_range_start/end calls correctly

Add a counter to the pasid_state so that we do not restore
the original page-table before all invalidate_range_start
to invalidate_range_end sections have finished.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
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