From f95f51a4c3357eabf74fe14ab7daa5b5c0422b27 Mon Sep 17 00:00:00 2001 From: Felix Kuehling Date: Wed, 21 Apr 2021 21:09:54 -0400 Subject: 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 Reviewed-by: Xiaogang Chen Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h') 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 #include #include +#include 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); -- cgit