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From: Gabriel Krisman Bertazi <krisman@suse.de>
To: Pavel Begunkov <asml.silence@gmail.com>
Cc: io-uring@vger.kernel.org,  axboe@kernel.dk
Subject: Re: [PATCH v3 1/1] io_uring: introduce non-circular SQ
Date: Thu, 22 Jan 2026 11:18:41 -0500	[thread overview]
Message-ID: <87ldhpd3j2.fsf@mailhost.krisman.be> (raw)
In-Reply-To: <80368e4b-9148-40d0-bd52-1507fef68055@gmail.com> (Pavel Begunkov's message of "Wed, 21 Jan 2026 21:55:18 +0000")

Pavel Begunkov <asml.silence@gmail.com> writes:

> On 1/21/26 18:20, Gabriel Krisman Bertazi wrote:

>> and immediately some fixed data, etc.  When I want to run it, I push a
>> SQE OP_EXECUTE pointing to this buffer to the "main" ring and io_uring
>> will queue everything in this pre-registered buffer.
>> I imagine it would save nothing beyond SQ initialization. just curious
>> if you see a use case for something like this?
>
> You already can do it with the sq array. Never heard of anyone
> using it, but liburing never exposed it to users either.

Thanks for the explanation. make sense! 

-- 
Gabriel Krisman Bertazi

  reply	other threads:[~2026-01-22 16:18 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-20 20:47 [PATCH v3 1/1] io_uring: introduce non-circular SQ Pavel Begunkov
2026-01-21 14:59 ` Jens Axboe
2026-01-21 18:20 ` Gabriel Krisman Bertazi
2026-01-21 21:55   ` Pavel Begunkov
2026-01-22 16:18     ` Gabriel Krisman Bertazi [this message]
2026-01-22 22:59 ` Jens Axboe

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