From: Philip Yang Date: Fri, 31 Oct 2025 14:50:02 +0000 (-0400) Subject: drm/amdkfd: Don't clear PT after process killed X-Git-Tag: v6.18-rc5~12^2~2^2~5 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=597eb70f7ff7551ff795cd51754b81aabedab67b;p=thirdparty%2Flinux.git drm/amdkfd: Don't clear PT after process killed 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 Signed-off-by: Philip Yang Reviewed-by: Christian König Signed-off-by: Alex Deucher (cherry picked from commit 10c382ec6c6d1e11975a11962bec21cba6360391) Cc: stable@vger.kernel.org --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index a2ca9acf8c4e..923f0fa7350c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -1267,6 +1267,10 @@ 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);