C++ (Cpp) ttm_eu_backoff_reservation_locked Examples

Example #1

File: ttm_execbuf_util.c Project: rchander/freebsd

static int ttm_eu_wait_unreserved_locked(struct list_head *list,
					 struct ttm_buffer_object *bo)
{
	int ret;

	ttm_eu_del_from_lru_locked(list);
	ret = ttm_bo_wait_unreserved_locked(bo, true);
	if (unlikely(ret != 0))
		ttm_eu_backoff_reservation_locked(list);
	return ret;
}

Example #2

File: ttm_execbuf_util.c Project: Aeternam/gdev

static int ttm_eu_wait_unreserved_locked(struct list_head *list,
					 struct ttm_buffer_object *bo)
{
	struct ttm_bo_global *glob = bo->glob;
	int ret;

	ttm_eu_del_from_lru_locked(list);
	spin_unlock(&glob->lru_lock);
	ret = ttm_bo_wait_unreserved(bo, true);
	spin_lock(&glob->lru_lock);
	if (unlikely(ret != 0))
		ttm_eu_backoff_reservation_locked(list);
	return ret;
}

Example #3

File: ttm_execbuf_util.c Project: Aeternam/gdev

void ttm_eu_backoff_reservation(struct list_head *list)
{
	struct ttm_validate_buffer *entry;
	struct ttm_bo_global *glob;

	if (list_empty(list))
		return;

	entry = list_first_entry(list, struct ttm_validate_buffer, head);
	glob = entry->bo->glob;
	spin_lock(&glob->lru_lock);
	ttm_eu_backoff_reservation_locked(list);
	spin_unlock(&glob->lru_lock);
}

Example #4

void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket,
				struct list_head *list)
{
	struct ttm_validate_buffer *entry;
	struct ttm_bo_global *glob;

	if (list_empty(list))
		return;

	entry = list_first_entry(list, struct ttm_validate_buffer, head);
	glob = entry->bo->glob;
	lockmgr(&glob->lru_lock, LK_EXCLUSIVE);
	ttm_eu_backoff_reservation_locked(list, ticket);
	ww_acquire_fini(ticket);
	lockmgr(&glob->lru_lock, LK_RELEASE);
}