linux-kernel - Re: [PATCH v11 8/8] vhost: use vhost

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Message-ID: <0405d1c8-43b2-e01f-6b85-f438cfe8b83a@leemhuis.info>
Date:   Fri, 26 May 2023 11:03:18 +0200
From:   "Linux regression tracking #update (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>
To:     virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v11 8/8] vhost: use vhost_tasks for worker threads

On 16.05.23 16:06, Linux regression tracking #adding (Thorsten Leemhuis)
wrote:
> On 05.05.23 15:40, Nicolas Dichtel wrote:
>> Le 03/02/2023 à 00:25, Mike Christie a écrit :
>>> For vhost workers we use the kthread API which inherit's its values from
>>> and checks against the kthreadd thread. This results in the wrong RLIMITs
>>> being checked, so while tools like libvirt try to control the number of
>>> threads based on the nproc rlimit setting we can end up creating more
>>> threads than the user wanted.
>>
>> I have a question about (a side effect of?) this patch. The output of the 'ps'
>> command has changed. Here is an example:
>> [...]
> 
> Thanks for the report. This is already dealt with, but to be sure the
> issue doesn't fall through the cracks unnoticed, I'm adding it to
> regzbot, the Linux kernel regression tracking bot:
> 
> #regzbot ^introduced 6e890c5d502
> #regzbot title vhost: ps output changed and suspend fails when VMs are
> running
> #regzbot ignore-activity

#regzbot monitor:
https://lore.kernel.org/all/20230522025124.5863-1-michael.christie@oracle.com/
#regzbot ignore-activity

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
That page also explains what to do if mails like this annoy you.