From: Genes Lists <[email protected]>
To: Greg Kroah-Hartman <[email protected]>,
Oleksandr Natalenko <[email protected]>
Cc: [email protected], Pavel Begunkov <[email protected]>,
[email protected], [email protected],
Andres Freund <[email protected]>, Jens Axboe <[email protected]>
Subject: Re: [PATCH 6.4 800/800] io_uring: Use io_schedule* in cqring wait
Date: Sun, 23 Jul 2023 06:55:49 -0400 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <2023072310-superman-frosted-7321@gregkh>
On 7/23/23 06:50, Greg Kroah-Hartman wrote:
> On Sun, Jul 23, 2023 at 11:39:42AM +0200, Oleksandr Natalenko wrote:
>> Hello.
>>
>> On neděle 16. července 2023 21:50:53 CEST Greg Kroah-Hartman wrote:
>>> From: Andres Freund <[email protected]>
>>>
>>> commit 8a796565cec3601071cbbd27d6304e202019d014 upstream.
>>>
>>> I observed poor performance of io_uring compared to synchronous IO. That
...
>>
>> Reportedly, this caused a regression as reported in [1] [2] [3]. Not only v6.4.4 is affected, v6.1.39 is affected too.
>>
>> Reverting this commit fixes the issue.
>>
>> Please check.
>
> Is this also an issue in 6.5-rc2?
>
> thanks,
>
> greg k-h
Yes - I can confirm this issue is in 6.5-rc2 and with Linus' commit
c2782531397f5cb19ca3f8f9c17727f1cdf5bee8.
gene
next prev parent reply other threads:[~2023-07-23 11:05 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <[email protected]>
2023-07-16 19:50 ` [PATCH 6.4 800/800] io_uring: Use io_schedule* in cqring wait Greg Kroah-Hartman
2023-07-23 9:39 ` Oleksandr Natalenko
2023-07-23 10:50 ` Greg Kroah-Hartman
2023-07-23 10:55 ` Genes Lists [this message]
2023-07-23 10:56 ` Oleksandr Natalenko
2023-07-23 12:11 ` Linux regression tracking #adding (Thorsten Leemhuis)
2023-07-23 17:35 ` Linux regression tracking #update (Thorsten Leemhuis)
2023-07-23 15:31 ` Jens Axboe
2023-07-23 17:43 ` Genes Lists
2023-07-23 18:06 ` Oleksandr Natalenko
2023-07-23 18:58 ` Andres Freund
2023-07-23 19:44 ` Genes Lists
2023-07-24 15:47 ` Jens Axboe
2023-07-24 18:04 ` Genes Lists
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