From: Christian König <christian.koenig@xxxxxxx> Don't allow them to be GEM imported into another process. Signed-off-by: Christian König <christian.koenig at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index d028806..e32a2b5 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; -- 2.7.4
