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| author | James Zhu <James.Zhu@amd.com> | 2023-12-09 01:49:54 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-12-15 20:16:42 +0300 |
| commit | 0c8c0e7a9eebc2de03d161de4376e0d9158b6817 (patch) | |
| tree | 19045824dd6ca415dc014aed8b5010b90670a8bd | |
| parent | 78b4dfd35999e22b4f589a3e070c4aa5f07ce3a2 (diff) | |
| download | linux-0c8c0e7a9eebc2de03d161de4376e0d9158b6817.tar.xz | |
drm/amdgpu: make an improvement on amdgpu_hmm_range_get_pages
Only schedule when hmm_range_fault returns error.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c index b24eb5821fd1..55b65fc04b65 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c @@ -199,6 +199,7 @@ retry: hmm_range->notifier_seq = mmu_interval_read_begin(notifier); r = hmm_range_fault(hmm_range); if (unlikely(r)) { + schedule(); /* * FIXME: This timeout should encompass the retry from * mmu_interval_read_retry() as well. @@ -212,7 +213,6 @@ retry: break; hmm_range->hmm_pfns += MAX_WALK_BYTE >> PAGE_SHIFT; hmm_range->start = hmm_range->end; - schedule(); } while (hmm_range->end < end); hmm_range->start = start; |