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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2024-04-22 13:35:18 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2024-04-22 13:35:18 -0300 |
| commit | 173b0b5b0e865348684c02bd9cb1d22b5d46e458 (patch) | |
| tree | a42a2cc8b724b94a9478aedfcbfabcec0197b246 /drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c | |
| parent | Revert "tools headers: Remove almost unused copy of uapi/stat.h, add few cond... (diff) | |
| parent | Linux 6.9-rc5 (diff) | |
| download | linux-173b0b5b0e865348684c02bd9cb1d22b5d46e458.tar.gz linux-173b0b5b0e865348684c02bd9cb1d22b5d46e458.zip | |
Merge remote-tracking branch 'torvalds/master' into perf-tools-next
To pick up fixes sent via perf-tools, by Namhyung Kim.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c index 55b65fc04b65..431ec72655ec 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c @@ -129,13 +129,25 @@ static const struct mmu_interval_notifier_ops amdgpu_hmm_hsa_ops = { */ int amdgpu_hmm_register(struct amdgpu_bo *bo, unsigned long addr) { + int r; + if (bo->kfd_bo) - return mmu_interval_notifier_insert(&bo->notifier, current->mm, + r = mmu_interval_notifier_insert(&bo->notifier, current->mm, addr, amdgpu_bo_size(bo), &amdgpu_hmm_hsa_ops); - return mmu_interval_notifier_insert(&bo->notifier, current->mm, addr, - amdgpu_bo_size(bo), - &amdgpu_hmm_gfx_ops); + else + r = mmu_interval_notifier_insert(&bo->notifier, current->mm, addr, + amdgpu_bo_size(bo), + &amdgpu_hmm_gfx_ops); + if (r) + /* + * Make sure amdgpu_hmm_unregister() doesn't call + * mmu_interval_notifier_remove() when the notifier isn't properly + * initialized. + */ + bo->notifier.mm = NULL; + + return r; } /** |