linux-kernel - Re: [PATCH v2] io_uring/io-wq: Use set_bit() and test

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Date: Tue, 7 May 2024 09:09:30 -0600
From: Jens Axboe <axboe@...nel.dk>
To: Breno Leitao <leitao@...ian.org>, Pavel Begunkov <asml.silence@...il.com>
Cc: christophe.jaillet@...adoo.fr,
 "open list:IO_URING" <io-uring@...r.kernel.org>,
 open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] io_uring/io-wq: Use set_bit() and test_bit() at
 worker->flags

On 5/7/24 9:05 AM, Breno Leitao wrote:
> @@ -631,7 +631,7 @@ static int io_wq_worker(void *data)
>  	bool exit_mask = false, last_timeout = false;
>  	char buf[TASK_COMM_LEN];
>  
> -	worker->flags |= (IO_WORKER_F_UP | IO_WORKER_F_RUNNING);
> +	set_mask_bits(&worker->flags, 0, IO_WORKER_F_UP | IO_WORKER_F_RUNNING);

This takes a mask, no? I think this should be:

set_mask_bits(&worker->flags, 0, BIT(IO_WORKER_F_UP) | BIT(IO_WORKER_F_RUNNING);

Hmm?

-- 
Jens Axboe