On 08/31/2018 09:10 PM, Christian König wrote:
Staring at the function for six hours, just to essentially move one line
of code.
Signed-off-by: Christian König <christian.koe...@amd.com>
Reviewed-by: Junwei Zhang <jerry.zh...@amd.com>
---
drivers/gpu/drm/ttm/ttm_bo.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 35d53d81f486..138c98902033 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -250,15 +250,18 @@ EXPORT_SYMBOL(ttm_bo_move_to_lru_tail);
static void ttm_bo_bulk_move_helper(struct ttm_lru_bulk_move_pos *pos,
struct list_head *lru, bool is_swap)
{
+ struct list_head *list;
LIST_HEAD(entries);
LIST_HEAD(before);
- struct list_head *list1, *list2;
- list1 = is_swap ? &pos->last->swap : &pos->last->lru;
- list2 = is_swap ? pos->first->swap.prev : pos->first->lru.prev;
+ reservation_object_assert_held(pos->last->resv);
+ list = is_swap ? &pos->last->swap : &pos->last->lru;
+ list_cut_position(&entries, lru, list);
+
+ reservation_object_assert_held(pos->first->resv);
+ list = is_swap ? pos->first->swap.prev : pos->first->lru.prev;
+ list_cut_position(&before, &entries, list);
- list_cut_position(&entries, lru, list1);
- list_cut_position(&before, &entries, list2);
list_splice(&before, lru);
list_splice_tail(&entries, lru);
}
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