Re: [PATCH v3] io_uring/io-wq: Use set_bit() and test_bit() at worker->flags

From: Jens Axboe
Date: Tue May 07 2024 - 15:17:44 EST



On Tue, 07 May 2024 10:00:01 -0700, Breno Leitao wrote:
> Utilize set_bit() and test_bit() on worker->flags within io_uring/io-wq
> to address potential data races.
>
> The structure io_worker->flags may be accessed through various data
> paths, leading to concurrency issues. When KCSAN is enabled, it reveals
> data races occurring in io_worker_handle_work and
> io_wq_activate_free_worker functions.
>
> [...]

Applied, thanks!

[1/1] io_uring/io-wq: Use set_bit() and test_bit() at worker->flags
commit: 8a565304927fbd28c9f028c492b5c1714002cbab

Best regards,
--
Jens Axboe