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| author |  Felix Kuehling <Felix.Kuehling@amd.com>
| 2021-02-24 22:34:11 -0500 |
|---|---|---|
| committer |  Alex Deucher <alexander.deucher@amd.com>
| 2021-04-20 21:48:50 -0400 |
| commit | 90d7d3eda5796fa48048f1114b0aa090c5465d17 (patch) | |
| tree | bc950b404da840d2a86395375fec3f8317e509dd /drivers/gpu/drm/amd/amdkfd/kfd_svm.h | |
| parent | drm/amdkfd: HMM migrate vram to ram (diff) | |
| download | linux-90d7d3eda5796fa48048f1114b0aa090c5465d17.tar.gz linux-90d7d3eda5796fa48048f1114b0aa090c5465d17.tar.bz2 linux-90d7d3eda5796fa48048f1114b0aa090c5465d17.zip | |
drm/amdkfd: invalidate tables on page retry fault
GPU page tables are invalidated by unmapping prange directly at
the mmu notifier, when page fault retry is enabled through
amdgpu_noretry global parameter. The restore page table is
performed at the page fault handler.
If xnack is on, we update GPU mappings after migration to avoid
unnecessary GPUVM faults.
Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_svm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.h b/drivers/gpu/drm/amd/amdkfd/kfd_svm.h index 37cfa1689c4f..d88926d2855f 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.h @@ -44,7 +44,9 @@ enum svm_work_list_ops { SVM_OP_NULL, SVM_OP_UNMAP_RANGE, SVM_OP_UPDATE_RANGE_NOTIFIER, - SVM_OP_ADD_RANGE + SVM_OP_UPDATE_RANGE_NOTIFIER_AND_MAP, + SVM_OP_ADD_RANGE, + SVM_OP_ADD_RANGE_AND_MAP }; struct svm_work_list_item { |