Commits
Joerg Roedel committed 7b5cc1a9c9f
iommu/amd: Do proper access checking before calling handle_mm_fault() The handle_mm_fault function expects the caller to do the access checks. Not doing so and calling the function with wrong permissions is a bug (catched by a BUG_ON). So fix this bug by adding proper access checking to the io page-fault code in the AMD IOMMUv2 driver. Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org> Acked-By: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>