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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:48:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:48:00 +0000
commite313beb668f41d49c10c546180fc02c62ab2cbe3 (patch)
tree154cbe88a0957f3ed27428f536ad06681af563dd /drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
parentReleasing progress-linux version 6.7.9-2~progress7.99u1. (diff)
downloadlinux-e313beb668f41d49c10c546180fc02c62ab2cbe3.tar.xz
linux-e313beb668f41d49c10c546180fc02c62ab2cbe3.zip
Merging upstream version 6.7.12.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c20
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 081267161d..57516a8c5d 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;
}
/**