From: Joerg Roedel <jroedel@suse.de>
Date: Tue, 20 May 2014 21:18:24 +0000 (+0200)
Subject: iommu/amd: Implement mmu_notifier_release call-back
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~91^2~8^2^4~4
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a40d4c67d7de;p=pandora-kernel.git

iommu/amd: Implement mmu_notifier_release call-back

Since mmu_notifier call-backs can sleep (because they use
SRCU now) we can use them to tear down PASID mappings. This
allows us to finally remove the hack to use the task_exit
notifier from oprofile to get notified when a process dies.

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