From: David Woodhouse Date: Fri, 25 May 2012 16:42:54 +0000 (+0100) Subject: intel-iommu: Add device info into list before doing context mapping X-Git-Tag: v3.2.19~16 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d655fe1e7e79ee5012d83bf66a9e524aa55ec7de;p=pandora-kernel.git intel-iommu: Add device info into list before doing context mapping commit e2ad23d04c1304431ab5176c89b7b476ded2d995 upstream. Add device info into list before doing context mapping, because device info will be used by iommu_enable_dev_iotlb(). Without it, ATS won't get enabled as it should be. ATS, while a dubious decision from a security point of view, can be very important for performance. Signed-off-by: Xudong Hao Signed-off-by: Xiantao Zhang Acked-by: Chris Wright Signed-off-by: David Woodhouse Signed-off-by: Linus Torvalds Signed-off-by: Ben Hutchings --- Reading git-diff-tree failed