Commit Graph

4 Commits (09cfd3c52ea76f43b3cb15e570aeddf633d65e80)

Author SHA1 Message Date
Sunil Khatri c5b3cc417b drm/amdgpu: use hmm_pfns instead of array of pages
we dont need to allocate local array of pages to hold
the pages returned by the hmm, instead we could use
the hmm_range structure itself to get to hmm_pfn
and get the required pages directly.

This avoids call to alloc/free quite a lot.

Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2025-09-23 10:22:31 -04:00
Felix Kuehling f95f51a4c3 drm/amdgpu: Add notifier lock for KFD userptrs
Add a per-process MMU notifier lock for processing notifiers from
userptrs. Use that lock to properly synchronize page table updates with
MMU notifiers.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Xiaogang Chen<Xiaogang.Chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-12-14 09:48:05 -05:00
Christian König d4cbff464d drm/amdgpu: cleanup amdgpu_hmm_range_get_pages
Remove unused parameters and cleanup dead code.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-11-17 00:23:43 -05:00
Christian König d9483ecd32 drm/amdgpu: rename the files for HMM handling
Clean that up a bit, no functional change.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2022-11-17 00:23:36 -05:00