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由 David Woodhouse 提交于
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: NXudong Hao <xudong.hao@intel.com> Signed-off-by: NXiantao Zhang <xiantao.zhang@intel.com> Acked-by: NChris Wright <chrisw@sous-sol.org> Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com> Cc: stable@kernel.org Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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