sent a wrong version, please ignore it On 10/3/2024 3:28 PM, Xiaogang.Chen wrote:
From: Xiaogang Chen <xiaogang.c...@amd.com>When kfd process has been terminated not restore userptr buffer after mmu notifier invalidates a range. Signed-off-by: Xiaogang Chen<xiaogang.c...@amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index ce5ca304dba9..dab4a6a74c70 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -2524,11 +2524,14 @@ int amdgpu_amdkfd_evict_userptr(struct mmu_interval_notifier *mni, /* First eviction, stop the queues */ r = kgd2kfd_quiesce_mm(mni->mm, KFD_QUEUE_EVICTION_TRIGGER_USERPTR); - if (r) + + if (r && r != -ESRCH) { pr_err("Failed to quiesce KFD\n"); - queue_delayed_work(system_freezable_wq, - &process_info->restore_userptr_work, - msecs_to_jiffies(AMDGPU_USERPTR_RESTORE_DELAY_MS)); + + queue_delayed_work(system_freezable_wq, + &process_info->restore_userptr_work, + msecs_to_jiffies(AMDGPU_USERPTR_RESTORE_DELAY_MS)); + } } mutex_unlock(&process_info->notifier_lock);
