diff options
| author | Gang Ba <Gang.Ba@amd.com> | 2025-07-08 21:36:13 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-07-28 23:25:19 +0300 |
| commit | 1f02f2044bda1db1fd995bc35961ab075fa7b5a2 (patch) | |
| tree | 8cf5a1bc4dc3f204923d671f4f51f0d674d0d7d8 /drivers/gpu/drm/amd/amdgpu | |
| parent | 284d4dfe850e665f0e7d4dfaf4d3d3da76d11fb0 (diff) | |
| download | linux-1f02f2044bda1db1fd995bc35961ab075fa7b5a2.tar.xz | |
drm/amdgpu: Avoid extra evict-restore process.
If vm belongs to another process, this is fclose after fork,
wait may enable signaling KFD eviction fence and cause parent process queue evicted.
[677852.634569] amdkfd_fence_enable_signaling+0x56/0x70 [amdgpu]
[677852.634814] __dma_fence_enable_signaling+0x3e/0xe0
[677852.634820] dma_fence_wait_timeout+0x3a/0x140
[677852.634825] amddma_resv_wait_timeout+0x7f/0xf0 [amdkcl]
[677852.634831] amdgpu_vm_wait_idle+0x2d/0x60 [amdgpu]
[677852.635026] amdgpu_flush+0x34/0x50 [amdgpu]
[677852.635208] filp_flush+0x38/0x90
[677852.635213] filp_close+0x14/0x30
[677852.635216] do_close_on_exec+0xdd/0x130
[677852.635221] begin_new_exec+0x1da/0x490
[677852.635225] load_elf_binary+0x307/0xea0
[677852.635231] ? srso_alias_return_thunk+0x5/0xfbef5
[677852.635235] ? ima_bprm_check+0xa2/0xd0
[677852.635240] search_binary_handler+0xda/0x260
[677852.635245] exec_binprm+0x58/0x1a0
[677852.635249] bprm_execve.part.0+0x16f/0x210
[677852.635254] bprm_execve+0x45/0x80
[677852.635257] do_execveat_common.isra.0+0x190/0x200
Suggested-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Gang Ba <Gang.Ba@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index d5c0637d7392..5cacf5717016 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2414,13 +2414,11 @@ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t min_vm_size, */ long amdgpu_vm_wait_idle(struct amdgpu_vm *vm, long timeout) { - timeout = dma_resv_wait_timeout(vm->root.bo->tbo.base.resv, - DMA_RESV_USAGE_BOOKKEEP, - true, timeout); + timeout = drm_sched_entity_flush(&vm->immediate, timeout); if (timeout <= 0) return timeout; - return dma_fence_wait_timeout(vm->last_unlocked, true, timeout); + return drm_sched_entity_flush(&vm->delayed, timeout); } static void amdgpu_vm_destroy_task_info(struct kref *kref) |