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From: Jens Axboe <axboe@kernel.dk>
To: Victor Stewart <v@nametag.social>
Cc: Pavel Begunkov <asml.silence@gmail.com>,
	io-uring <io-uring@vger.kernel.org>
Subject: Re: bug with fastpoll accept and sqpoll + IOSQE_FIXED_FILE
Date: Tue, 2 Feb 2021 10:46:29 -0700	[thread overview]
Message-ID: <1baf259f-5a78-3044-c061-2c08c37f7d58@kernel.dk> (raw)
In-Reply-To: <06ceae30-7221-80e9-13e3-148cdf5e3c9f@kernel.dk>

On 2/2/21 10:24 AM, Jens Axboe wrote:
> On 2/2/21 10:10 AM, Victor Stewart wrote:
>>> Can you send the updated test app?
>>
>> https://gist.github.com/victorstewart/98814b65ed702c33480487c05b40eb56
>>
>> same link i just updated the same gist
> 
> And how are you running it?

Alright, so you're doing ACCEPT with 5.10 and you cannot do ACCEPT
with SQPOLL as it needs access to the file table. That works in 5.11
and newer, NOT in 5.10. Same goes or eg open/close and those kinds
of requests.

-- 
Jens Axboe


  parent reply	other threads:[~2021-02-02 17:49 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-02  5:36 bug with fastpoll accept and sqpoll + IOSQE_FIXED_FILE Victor Stewart
2021-02-02 11:05 ` Pavel Begunkov
2021-02-02 11:23   ` Pavel Begunkov
2021-02-02 16:18     ` Victor Stewart
2021-02-02 16:30       ` Victor Stewart
2021-02-02 16:44         ` Jens Axboe
2021-02-02 17:10           ` Victor Stewart
2021-02-02 17:24             ` Jens Axboe
2021-02-02 17:41               ` Pavel Begunkov
2021-02-02 20:34                 ` Pavel Begunkov
2021-02-02 20:48                   ` Jens Axboe
2021-02-02 20:56                     ` Pavel Begunkov
2021-02-03 11:49                       ` Pavel Begunkov
2021-02-04 16:50                         ` Jens Axboe
2021-02-05 12:46                           ` Pavel Begunkov
2021-02-05 14:42                             ` Jens Axboe
2021-02-05 14:49                               ` Pavel Begunkov
2021-02-02 17:46               ` Jens Axboe [this message]
2021-02-02 17:50                 ` Victor Stewart
2021-02-02 17:57                   ` Jens Axboe
2021-02-02 17:46               ` Victor Stewart
2021-02-02 17:21       ` Pavel Begunkov
2021-02-02 17:30         ` Victor Stewart
2021-02-02 17:45           ` Victor Stewart

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