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| author | Joerg Roedel <jroedel@suse.de> | 2015-11-17 10:11:36 -0500 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2015-12-14 09:37:47 -0500 |
| commit | 7b5cc1a9c9f4096555345c365508d727149553fe (patch) | |
| tree | a704d1bec65c7bda54af3dffbeca97feeb09c57c /drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c | |
| parent | 9f9499ae8e6415cefc4fe0a96ad0e27864353c89 (diff) | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c')
0 files changed, 0 insertions, 0 deletions