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

[Guenter Roeck <linux@roeck-us.net>]

On 4/18/23 08:34, Greg Kroah-Hartman 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@linuxfoundation.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@redhat.com>
>>>      cgroup/cpuset: Change references of cpuset_mutex to cpuset_rwsem
>>
> 
> That's a documentation patch, it can not:
> 
>> 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.
> 
No, it doesn't.

Build reference: v5.10.177-125-g19b9d9b9f62e
Compiler version: x86_64-linux-gcc (GCC) 11.3.0
Assembler version: GNU assembler (GNU Binutils) 2.39

Building x86_64:defconfig ... failed
--------------
Error log:
In file included from include/linux/rcupdate.h:29,
                  from include/linux/rculist.h:11,
                  from include/linux/pid.h:5,
                  from include/linux/sched.h:14,
                  from include/linux/ratelimit.h:6,
                  from include/linux/dev_printk.h:16,
                  from include/linux/device.h:15,
                  from include/linux/node.h:18,
                  from include/linux/cpu.h:17,
                  from kernel/cgroup/cpuset.c:25:
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)
       |                                                             ^
make[3]: *** [scripts/Makefile.build:286: kernel/cgroup/cpuset.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [scripts/Makefile.build:503: kernel/cgroup] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [Makefile:1828: kernel] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:192: __sub-make] Error 2