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| author |   Xiaogang Chen <xiaogang.chen@amd.com> | 2024-10-17 00:01:24 -0500 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2024-10-22 17:50:12 -0400 |
| commit | 10112bf828c39ca440287c93b1cdc93f404383b8 (patch) | |
| tree | 6d98e4ef5d55085407763b26f53d7382bfd98aa7 | |
| parent | drm/amd/pm: update deep sleep status on smu v14.0.2/3 (diff) | |
| download | wireguard-linux-10112bf828c39ca440287c93b1cdc93f404383b8.tar.xz wireguard-linux-10112bf828c39ca440287c93b1cdc93f404383b8.zip | |
drm/amdkfd: Not restore userptr buffer if kfd process has been removed
When kfd process has been terminated not restore userptr buffer after mmu
notifier invalidates a range.
Signed-off-by: Xiaogang Chen <xiaogang.chen@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 11 |
1 files 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 fa572ba7f9fc..f30548f4c3b3 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)); + + if (r != -ESRCH) + 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); |