diff options
| author |   Felix Kuehling <Felix.Kuehling@amd.com> | 2018-03-23 15:30:36 -0400 |
|---|---|---|
| committer |   Oded Gabbay <oded.gabbay@gmail.com> | 2018-03-23 15:30:36 -0400 |
| commit | 1679ae8f8f4148766423066aeb3dbb0a985a373a (patch) | |
| tree | 8d766de21c5a0a25618ec8d5fc64fdd284b01292 /drivers/gpu/drm/amd/amdkfd/kfd_module.c | |
| parent | drm/amdgpu: Fix acquiring VM on large-BAR systems (diff) | |
| download | linux-dev-1679ae8f8f4148766423066aeb3dbb0a985a373a.tar.xz linux-dev-1679ae8f8f4148766423066aeb3dbb0a985a373a.zip | |
drm/amdkfd: Use ordered workqueue to restore processes
Restoring multiple processes concurrently can lead to live-locks
where each process prevents the other from validating all its BOs.
v2: fix duplicate check of same variable
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_module.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_module.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_module.c b/drivers/gpu/drm/amd/amdkfd/kfd_module.c index b0acb0603883..e0c07d24d251 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_module.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c @@ -133,7 +133,9 @@ static int __init kfd_module_init(void) if (err < 0) goto err_topology; - kfd_process_create_wq(); + err = kfd_process_create_wq(); + if (err < 0) + goto err_create_wq; kfd_debugfs_init(); @@ -143,6 +145,8 @@ static int __init kfd_module_init(void) return 0; +err_create_wq: + kfd_topology_shutdown(); err_topology: kfd_chardev_exit(); err_ioctl: |