On 10/14/26 13:30, Christian König wrote:
On 10/14/26 13:01, Pavel Begunkov wrote:
...>> +static void dma_buf_io_kill_map(struct dma_buf_io_ctx *ctx)
+{ + struct dma_buf_io_map *map; + + dma_resv_assert_held(ctx->dmabuf->resv); + + map = rcu_dereference_protected(ctx->map, + dma_resv_held(ctx->dmabuf->resv)); + if (!map) + return; + + rcu_assign_pointer(ctx->map, NULL); + percpu_ref_kill(&map->refs); + /* make sure the map is not visible via ctx->map */ + synchronize_rcu_expedited(); + wait_for_completion(&map->drained); + dma_buf_io_map_release(map); +} + +int dma_buf_io_init_map(struct dma_buf_io_ctx *ctx, struct dma_buf_io_map *map, + struct sg_table *sgt)You somehow forgotten the kerneldoc I asked for here.
Ah yes, missed that function. I'll add it but perhaps in a separate patch, if you don't mind, depending whether we queue it for 7.4.
Apart from that still looks good, but I had only time to skim over it.
-- Pavel Begunkov
