tag 9693851b7801ed07b0ada3834de336df135f3243
tagger Joerg Roedel <jroedel@suse.de> Fri Dec 18 16:45:04 2015 +0100
object 7f8312a3b31de5676144d9e75f2f2647c8b4b769

IOMMU Fixes for Linux v4.4-rc5

	* Two similar fixes for the Intel and AMD IOMMU drivers to add
	  proper access checks before calling handle_mm_fault.

commit 7f8312a3b31de5676144d9e75f2f2647c8b4b769
author Joerg Roedel <jroedel@suse.de> Tue Nov 17 16:11:39 2015 +0100
committer Joerg Roedel <jroedel@suse.de> Mon Dec 14 15:37:55 2015 +0100
tree aea5b2b647c49e6b6fc1a215856bb174945861b4
parent 7b5cc1a9c9f4096555345c365508d727149553fe

iommu/vt-d: Do access checks before calling handle_mm_fault()

Not doing so is a bug and might trigger a BUG_ON in
handle_mm_fault(). So add the proper permission checks
before calling into mm code.

Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Acked-By: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>