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

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Message-ID: <05ebc19b-d497-ad10-b44d-35740d965627@linuxfoundation.org>
Date:   Tue, 18 Apr 2023 10:00:36 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     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>,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH 5.10 000/124] 5.10.178-rc1 review

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

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