From: Genes Lists <lists@sapience.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: stable@vger.kernel.org, Pavel Begunkov <asml.silence@gmail.com>,
io-uring@vger.kernel.org, linux-kernel@vger.kernel.org,
Andres Freund <andres@anarazel.de>, Jens Axboe <axboe@kernel.dk>
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: <e7e4cf5c-c09d-7747-b466-cef6673f2f10@sapience.com> (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 <andres@anarazel.de>
>>>
>>> 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: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-16 19:37 [PATCH 6.4 000/800] 6.4.4-rc1 review Greg Kroah-Hartman
2023-07-16 19:39 ` [PATCH 6.4 119/800] sctp: add bpf_bypass_getsockopt proto callback Greg Kroah-Hartman
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
2023-07-17 5:53 ` [PATCH 6.4 000/800] 6.4.4-rc1 review Naresh Kamboju
2023-07-17 18:48 ` Greg Kroah-Hartman
2023-07-17 11:51 ` Ron Economos
2023-07-17 13:37 ` Guenter Roeck
2023-07-17 17:24 ` Greg Kroah-Hartman
2023-07-17 17:32 ` Conor Dooley
2023-07-17 20:46 ` Shuah Khan
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