diff options
| author | Christian König <christian.koenig@amd.com> | 2016-02-23 12:36:59 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-03-08 11:01:50 -0500 |
| commit | 2f568dbd6b944c2e8c0c54b53c2211c23995e6a4 (patch) | |
| tree | 385cdb8bc9d264b40e9f83e6e89440b867866c07 /drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c | |
| parent | d564a06e1c9c285bab1c1579c18c811aa1271884 (diff) | |
drm/amdgpu: move get_user_pages out of amdgpu_ttm_tt_pin_userptr v6
That avoids lock inversion between the BO reservation lock
and the anon_vma lock.
v2:
* Changed amdgpu_bo_list_entry.user_pages to an array of pointers
* Lock mmap_sem only for get_user_pages
* Added invalidation of unbound userpointer BOs
* Fixed memory leak and page reference leak
v3 (chk):
* Revert locking mmap_sem only for_get user_pages
* Revert adding invalidation of unbound userpointer BOs
* Sanitize and fix error handling
v4 (chk):
* Init userpages pointer everywhere.
* Fix error handling when get_user_pages() fails.
* Add invalidation of unbound userpointer BOs again.
v5 (chk):
* Add maximum number of tries.
v6 (chk):
* Fix error handling when we run out of tries.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> (v4)
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c index 9763e52886fe..eacd810fc09b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c @@ -200,6 +200,7 @@ void amdgpu_bo_list_get_list(struct amdgpu_bo_list *list, list_add_tail(&list->array[i].tv.head, &bucket[priority]); + list->array[i].user_pages = NULL; } /* Connect the sorted buckets in the output list. */ |