These patches fix two error paths found while reviewing KFD SVM range
handling. A failed interval notifier registration can leave a published
range without a notifier, and an HMM allocation failure can lead to a
NULL notifier dereference during validation.
The fixes were tested with targeted KUnit tests under KVM with KASAN and
lockdep. The error paths use injected failures or equivalent failure
states; no AMD GPU was tested.
---
Aveline Noir (2):
drm/amdkfd: handle SVM interval notifier registration failures
drm/amdkfd: check HMM errors before testing range validity
drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 58 +++++++++++++++++++++++++++---------
1 file changed, 44 insertions(+), 14 deletions(-)
---
base-commit: 6628e7d4c6b25c8d18f1345e3a20d21829aae7e4
change-id: 20261108-kfd-svm-baseline-errors-20261107-355a3d0c4792
Best regards,
--
Aveline Noir <[email protected]>
