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(parent: 35efbaa) | patch
drm/amdgpu: check alignment on CPU page for bo map
authorXℹ Ruoyao <xry111@mengyan1223.wang>
Tue, 30 Mar 2021 15:33:34 +0000 (23:33 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 1 Apr 2021 01:53:38 +0000 (21:53 -0400)
commit5aeb0bac0bb3d94c7f382b22b4bec342d675cd83
tree2aca66059fe370eaab15213dbecfcdf237ef788etree | snapshot
parent35efbaad242b3cff4fe1b4cf38b89c6d31c1df97commit | diff
drm/amdgpu: check alignment on CPU page for bo map

The page table of AMDGPU requires an alignment to CPU page so we should
check ioctl parameters for it.  Return -EINVAL if some parameter is
unaligned to CPU page, instead of corrupt the page table sliently.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Xi Ruoyao <xry111@mengyan1223.wang>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c diff | blob | history
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