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| author | Philip Yang <[email protected]> | 2022-09-08 21:56:09 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2022-09-13 18:32:05 +0000 |
| commit | 3a876060892ba52dd67d197c78b955e62657d906 (patch) | |
| tree | d4b1789ca0ed404e8012a8f951def49fc5c8cddf /drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | |
| parent | drm/amdgpu: change the alignment size of TMR BO to 1M (diff) | |
| download | kernel-3a876060892ba52dd67d197c78b955e62657d906.tar.gz kernel-3a876060892ba52dd67d197c78b955e62657d906.zip | |
drm/amdkfd: Migrate in CPU page fault use current mm
migrate_vma_setup shows below warning because we don't hold another
process mm mmap_lock. We should use current vmf->vma->vm_mm instead, the
caller already hold current mmap lock inside CPU page fault handler.
WARNING: CPU: 10 PID: 3054 at include/linux/mmap_lock.h:155 find_vma
Call Trace:
walk_page_range+0x76/0x150
migrate_vma_setup+0x18a/0x640
svm_migrate_vram_to_ram+0x245/0xa10 [amdgpu]
svm_migrate_to_ram+0x36f/0x470 [amdgpu]
do_swap_page+0xcfe/0xec0
__handle_mm_fault+0x96b/0x15e0
handle_mm_fault+0x13f/0x3e0
do_user_addr_fault+0x1e7/0x690
Fixes: e1f84eef313f ("drm/amdkfd: handle CPU fault on COW mapping")
Signed-off-by: Philip Yang <[email protected]>
Reviewed-by: Felix Kuehling <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c')
0 files changed, 0 insertions, 0 deletions