Re: [ardb:arm-vmap-stacks 5/20] arch/arm/mm/context.c:112:28: error: no member named 'task' in 'struct thread_info'

[Arnd Bergmann]

On Tue, Oct 5, 2021 at 4:03 AM kernel test robot <lkp@xxxxxxxxx> wrote:
>

> All errors (new ones prefixed by >>):
>
> >> arch/arm/mm/context.c:112:28: error: no member named 'task' in 'struct thread_info'
>            pid = task_pid_nr(thread->task) << ASID_BITS;
>                              ~~~~~~  ^
>    1 error generated.

I ran into this as well on my randconfig builds, though it happens very rarely.

Apparently CONFIG_THREAD_INFO_IN_TASK is incompatible with
CONFIG_PID_IN_CONTEXTIDR, but should be easy to fix by changing that
one line to do the right thing.

       Arnd