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drm/amdgpu: Add notifier lock for KFD userptrs
authorFelix Kuehling <Felix.Kuehling@amd.com>
Thu, 22 Apr 2021 01:09:54 +0000 (21:09 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 14 Dec 2022 14:48:05 +0000 (09:48 -0500)
commitf95f51a4c3357eabf74fe14ab7daa5b5c0422b27
treef74905009f1ef2b536fdbc3b0f4a22a9a8e69f27tree
parentfe6872adb05e85bde38f2cdec01a0f4cfb826998commit | 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>
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h diff | blob | history
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c diff | blob | history
drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c diff | blob | history
drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h diff | blob | history
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c diff | blob | history
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h diff | blob | history
XArray, radix tree and IDR