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

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

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