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| author | Philip Yang <Philip.Yang@amd.com> | 2025-10-31 10:50:02 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-11-13 15:37:47 -0500 |
| commit | ab29b26db1ea05029c8810ee948954eb62bbf838 (patch) | |
| tree | 60d762fd54c389232deb780256e927c4ad7ba099 | |
| parent | c05fe5d47baac212a3a74b279239f495be101629 (diff) | |
| download | linux-ab29b26db1ea05029c8810ee948954eb62bbf838.tar.gz linux-ab29b26db1ea05029c8810ee948954eb62bbf838.tar.bz2 linux-ab29b26db1ea05029c8810ee948954eb62bbf838.zip | |
drm/amdkfd: Don't clear PT after process killed
commit 597eb70f7ff7551ff795cd51754b81aabedab67b upstream.
If process is killed. the vm entity is stopped, submit pt update job
will trigger the error message "*ERROR* Trying to push to a killed
entity", job will not execute.
Suggested-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 10c382ec6c6d1e11975a11962bec21cba6360391)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 30d4a4753588..8994ed564f35 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -1263,6 +1263,10 @@ static int unmap_bo_from_gpuvm(struct kgd_mem *mem, (void)amdgpu_vm_bo_unmap(adev, bo_va, entry->va); + /* VM entity stopped if process killed, don't clear freed pt bo */ + if (!amdgpu_vm_ready(vm)) + return 0; + (void)amdgpu_vm_clear_freed(adev, vm, &bo_va->last_pt_update); (void)amdgpu_sync_fence(sync, bo_va->last_pt_update, GFP_KERNEL); |