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| author | Christian König <christian.koenig@amd.com> | 2017-08-29 17:07:31 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-08-31 20:46:17 +0300 |
| commit | 4f5839c56ec38e2f8fcc59ca0e01defa8702987b (patch) | |
| tree | 054e735911ca2d3ef89034df9052180938312fcb /drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | |
| parent | 0f2fc435d837213202bec3b8e26fbb67a4d6df24 (diff) | |
| download | linux-4f5839c56ec38e2f8fcc59ca0e01defa8702987b.tar.xz | |
drm/amdgpu: restrict userptr even more
Don't allow them to be GEM imported into another process.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index d02880640ee7..e32a2b55b54f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -112,7 +112,13 @@ int amdgpu_gem_object_open(struct drm_gem_object *obj, struct amdgpu_fpriv *fpriv = file_priv->driver_priv; struct amdgpu_vm *vm = &fpriv->vm; struct amdgpu_bo_va *bo_va; + struct mm_struct *mm; int r; + + mm = amdgpu_ttm_tt_get_usermm(abo->tbo.ttm); + if (mm && mm != current->mm) + return -EPERM; + r = amdgpu_bo_reserve(abo, false); if (r) return r; |