diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2021-04-21 21:09:54 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-12-14 09:48:05 -0500 |
| commit | f95f51a4c3357eabf74fe14ab7daa5b5c0422b27 (patch) | |
| tree | f74905009f1ef2b536fdbc3b0f4a22a9a8e69f27 /drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h | |
| parent | fe6872adb05e85bde38f2cdec01a0f4cfb826998 (diff) | |
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h index 13ed94d3b01b..e2edcd010ccc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h @@ -29,12 +29,13 @@ #include <linux/rwsem.h> #include <linux/workqueue.h> #include <linux/interval_tree.h> +#include <linux/mmu_notifier.h> int amdgpu_hmm_range_get_pages(struct mmu_interval_notifier *notifier, uint64_t start, uint64_t npages, bool readonly, void *owner, struct page **pages, struct hmm_range **phmm_range); -int amdgpu_hmm_range_get_pages_done(struct hmm_range *hmm_range); +bool amdgpu_hmm_range_get_pages_done(struct hmm_range *hmm_range); #if defined(CONFIG_HMM_MIRROR) int amdgpu_hmm_register(struct amdgpu_bo *bo, unsigned long addr); |