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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-21 05:38:18 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-21 05:38:18 +0000 |
| commit | 5a918526207805c8c5673e15a92bdf824ce53461 (patch) | |
| tree | 9981a771882546899a1fc0c3b83114fb818810ca /drivers/gpu/drm/amd/amdkfd | |
| parent | Releasing progress-linux version 6.10.4-1~progress7.99u1. (diff) | |
| download | linux-5a918526207805c8c5673e15a92bdf824ce53461.tar.xz linux-5a918526207805c8c5673e15a92bdf824ce53461.zip | |
Merging upstream version 6.10.6.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index 31e500859a..9248525124 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1658,7 +1658,7 @@ static int svm_range_validate_and_map(struct mm_struct *mm, start = map_start << PAGE_SHIFT; end = (map_last + 1) << PAGE_SHIFT; for (addr = start; !r && addr < end; ) { - struct hmm_range *hmm_range; + struct hmm_range *hmm_range = NULL; unsigned long map_start_vma; unsigned long map_last_vma; struct vm_area_struct *vma; @@ -1696,7 +1696,12 @@ static int svm_range_validate_and_map(struct mm_struct *mm, } svm_range_lock(prange); - if (!r && amdgpu_hmm_range_get_pages_done(hmm_range)) { + + /* Free backing memory of hmm_range if it was initialized + * Overrride return value to TRY AGAIN only if prior returns + * were successful + */ + if (hmm_range && amdgpu_hmm_range_get_pages_done(hmm_range) && !r) { pr_debug("hmm update the range, need validate again\n"); r = -EAGAIN; } |