linux-kernel - Re: [PATCH 5.10 000/124] 5.10.178-rc1 review

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Date:   Tue, 18 Apr 2023 21:59:57 +0530
From:   Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>
To:     Shuah Khan <skhan@...uxfoundation.org>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     stable@...r.kernel.org, patches@...ts.linux.dev,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
        patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
        jonathanh@...dia.com, f.fainelli@...il.com,
        sudipm.mukherjee@...il.com, srw@...dewatkins.net, rwarsow@....de,
        Waiman Long <longman@...hat.com>, Tejun Heo <tj@...nel.org>,
        Michal Koutný <mkoutny@...e.com>,
        Tom Saeger <tom.saeger@...cle.com>,
        Darren Kenny <darren.kenny@...cle.com>,
        Vegard Nossum <vegard.nossum@...cle.com>
Subject: Re: [PATCH 5.10 000/124] 5.10.178-rc1 review

Hi all,

On 18/04/23 9:30 pm, Shuah Khan wrote:
> On 4/18/23 09:45, Naresh Kamboju wrote:
>> On Tue, 18 Apr 2023 at 21:04, Greg Kroah-Hartman
>> <gregkh@...uxfoundation.org> wrote:
>>>
>>> On Tue, Apr 18, 2023 at 08:38:47PM +0530, Naresh Kamboju wrote:
>>>> On Tue, 18 Apr 2023 at 18:03, Greg Kroah-Hartman
>>>> <gregkh@...uxfoundation.org> wrote:
>>>>>
>>>>> This is the start of the stable review cycle for the 5.10.178 release.
>>>>> There are 124 patches in this series, all will be posted as a response
>>>>> to this one.  If anyone has any issues with these being applied, 
>>>>> please
>>>>> let me know.
>>>>>
>>>>> Responses should be made by Thu, 20 Apr 2023 12:02:44 +0000.
>>>>> Anything received after that time might be too late.
>>>>>
>>>>> The whole patch series can be found in one patch at:
>>>>>          
>>>>> https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.178-rc1.gz
>>>>> or in the git tree and branch at:
>>>>>          
>>>>> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y
>>>>> and the diffstat can be found below.
>>>>>
>>>>> thanks,
>>>>>
>>>>> greg k-h
>>>>
>>>> Following build errors noticed on 5.15 and 5.10.,
>>>>
>>>>
>>>>> Waiman Long <longman@...hat.com>
>>>>>      cgroup/cpuset: Change references of cpuset_mutex to cpuset_rwsem
>>>>
>>>
>>> That's a documentation patch, it can not:
>>
>> Sorry for my mistake in trimming the email at the wrong place.
>>
>> I have pasted down of the email as this suspected patch,
>>
>> cgroup/cpuset: Add cpuset_can_fork() and cpuset_cancel_fork() methods
>> commit eee87853794187f6adbe19533ed79c8b44b36a91 upstream.
>>
>>
>>>> kernel/cgroup/cpuset.c: In function 'cpuset_can_fork':
>>>> kernel/cgroup/cpuset.c:2941:30: error: 'cgroup_mutex' undeclared
>>>> (first use in this function); did you mean 'cgroup_put'?
>>>>   2941 |         lockdep_assert_held(&cgroup_mutex);
>>>
>>> Cause this.
>>>
>>> What arch is failing here?  This builds for x86.
>>
>> Not for me.
>>
>>
> 
> It is failing for me on x86_64 with CONFIG_CGROUPS=y
> and CONFIG_CGROUP_CPUACCT=y
> 

Added some observations on 5.15.y thread:

https://lore.kernel.org/all/bd46521c-a167-2872-fecb-2b0f32855a24@oracle.com/

Thanks,
Harshit

> kernel/cgroup/cpuset.c: In function ‘cpuset_can_fork’:
> kernel/cgroup/cpuset.c:2941:30: error: ‘cgroup_mutex’ undeclared (first 
> use in this function); did you mean ‘cgroup_put’?
>   2941 |         lockdep_assert_held(&cgroup_mutex);
>        |                              ^~~~~~~~~~~~
> ./include/linux/lockdep.h:393:61: note: in definition of macro 
> ‘lockdep_assert_held’
>    393 | #define lockdep_assert_held(l)                  do { (void)(l); 
> } while (0)
>        |                                                             ^
> kernel/cgroup/cpuset.c:2941:30: note: each undeclared identifier is 
> reported only once for each function it appears in
>   2941 |         lockdep_assert_held(&cgroup_mutex);
>        |                              ^~~~~~~~~~~~
> ./include/linux/lockdep.h:393:61: note: in definition of macro 
> ‘lockdep_assert_held’
>    393 | #define lockdep_assert_held(l)                  do { (void)(l); 
> } while (0)
> 
> thanks,
> -- Shuah
>