From: Pavel Begunkov <[email protected]>
To: Jens Axboe <[email protected]>, [email protected]
Subject: Re: [PATCH] io_uring: avoid iowq again trap
Date: Fri, 13 May 2022 13:49:14 +0100 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 5/13/22 13:31, Jens Axboe wrote:
> On 5/13/22 4:24 AM, Pavel Begunkov wrote:
>> If an opcode handler semi-reliably returns -EAGAIN, io_wq_submit_work()
>> might continue busily hammer the same handler over and over again, which
>> is not ideal. The -EAGAIN handling in question was put there only for
>> IOPOLL, so restrict it to IOPOLL mode only.
>
> Looks good, needs:
>
> Fixes: 90fa02883f06 ("io_uring: implement async hybrid mode for pollable requests")
>
> unless I'm mistaken.
It's probably more of
Fixes: def596e9557c9 ("io_uring: support for IO polling")
--
Pavel Begunkov
next prev parent reply other threads:[~2022-05-13 12:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-13 10:24 [PATCH] io_uring: avoid iowq again trap Pavel Begunkov
2022-05-13 12:31 ` Jens Axboe
2022-05-13 12:49 ` Pavel Begunkov [this message]
2022-05-13 12:50 ` Jens Axboe
2022-05-13 12:51 ` Jens Axboe
2022-05-15 7:31 ` Hao Xu
2022-05-15 14:21 ` Pavel Begunkov
2022-05-15 15:07 ` Hao Xu
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