diff options
| author | Jens Axboe <axboe@kernel.dk> | 2024-01-31 18:39:05 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-02-08 21:27:06 +0100 |
| commit | 670d9d3df8808b39430ade7a04b38363971167f5 (patch) | |
| tree | 07b3c3fa4bde3da3e4899b1667e606ae659e3353 | |
| parent | io_uring: handle traditional task_work in FIFO order (diff) | |
| download | linux-670d9d3df8808b39430ade7a04b38363971167f5.tar.xz linux-670d9d3df8808b39430ade7a04b38363971167f5.zip | |
io_uring: remove next io_kiocb fetch in task_work running
We just reversed the task_work list and that will have touched requests
as well, just get rid of this optimization as it should not make a
difference anymore.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | io_uring/io_uring.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 4678d9ec810b..007cef9738ee 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -1184,8 +1184,6 @@ static unsigned int handle_tw_list(struct llist_node *node, struct io_kiocb *req = container_of(node, struct io_kiocb, io_task_work.node); - prefetch(container_of(next, struct io_kiocb, io_task_work.node)); - if (req->ctx != *ctx) { ctx_flush_and_put(*ctx, ts); *ctx = req->ctx; @@ -1408,7 +1406,6 @@ again: struct llist_node *next = node->next; struct io_kiocb *req = container_of(node, struct io_kiocb, io_task_work.node); - prefetch(container_of(next, struct io_kiocb, io_task_work.node)); INDIRECT_CALL_2(req->io_task_work.func, io_poll_task_func, io_req_rw_complete, req, ts); |