Re: mmotm 2022-03-16-17-42 uploaded (uml sub-x86_64, sched/fair, RCU)

[Randy Dunlap]

On 3/16/22 21:21, Randy Dunlap wrote:
> 
> 
> On 3/16/22 17:43, Andrew Morton wrote:
>> The mm-of-the-moment snapshot 2022-03-16-17-42 has been uploaded to
>>
>>    https://www.ozlabs.org/~akpm/mmotm/
>>
>> mmotm-readme.txt says
>>
>> README for mm-of-the-moment:
>>
>> https://www.ozlabs.org/~akpm/mmotm/
>>
>> This is a snapshot of my -mm patch queue.  Uploaded at random hopefully
>> more than once a week.
>>
>> You will need quilt to apply these patches to the latest Linus release (5.x
>> or 5.x-rcY).  The series file is in broken-out.tar.gz and is duplicated in
>> https://ozlabs.org/~akpm/mmotm/series
> 
> 
> UML for x86_64, defconfig:

Also seen on UML for i386, x86_64, and i386.

> In file included from ./arch/x86/include/generated/asm/rwonce.h:1:0,
>                  from ../include/linux/compiler.h:248,
>                  from ../include/linux/kernel.h:20,
>                  from ../include/linux/cpumask.h:10,
>                  from ../include/linux/energy_model.h:4,
>                  from ../kernel/sched/fair.c:23:
> ../include/linux/psi.h: In function ‘cgroup_move_task’:
> ../include/linux/rcupdate.h:414:36: error: dereferencing pointer to incomplete type ‘struct css_set’
>  #define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v)
>                                     ^~~~
> ../include/asm-generic/rwonce.h:55:33: note: in definition of macro ‘__WRITE_ONCE’
>   *(volatile typeof(x) *)&(x) = (val);    \
>                                  ^~~
> ../include/asm-generic/barrier.h:190:2: note: in expansion of macro ‘WRITE_ONCE’
>   WRITE_ONCE(*p, v);      \
>   ^~~~~~~~~~
> ../include/linux/rcupdate.h:455:3: note: in expansion of macro ‘smp_store_release’
>    smp_store_release(&p, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
>    ^~~~~~~~~~~~~~~~~
> ../include/linux/rcupdate.h:455:25: note: in expansion of macro ‘RCU_INITIALIZER’
>    smp_store_release(&p, RCU_INITIALIZER((typeof(p))_r_a_p__v)); \
>                          ^~~~~~~~~~~~~~~
> ../include/linux/psi.h:58:2: note: in expansion of macro ‘rcu_assign_pointer’
>   rcu_assign_pointer(p->cgroups, to);
>   ^~~~~~~~~~~~~~~~~~
> 
> 
> 

-- 
~Randy