linux-kernel - Re: [PATCH] io_uring: Use io

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Message-ID: <20230724172432.mcua7vewxrs5cvlg@awork3.anarazel.de>
Date:   Mon, 24 Jul 2023 10:24:32 -0700
From:   Andres Freund <andres@...razel.de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Phil Elwell <phil@...pberrypi.com>, asml.silence@...il.com,
        david@...morbit.com, hch@....de, io-uring@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>, linux-xfs@...r.kernel.org,
        stable <stable@...r.kernel.org>
Subject: Re: [PATCH] io_uring: Use io_schedule* in cqring wait

Hi,

On 2023-07-24 09:16:56 -0700, Andres Freund wrote:
> Building a kernel to test with the patch applied, will reboot into it once the
> call I am on has finished. Unfortunately the performance difference didn't
> reproduce nicely in VM...

Performance is good with the patch applied. Results are slightly better even,
but I think that's likely just noise.

Greetings,

Andres Freund