Re: [RFC PATCH 4/8] powerpc: add CPU field to struct thread_info

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On Tue, 14 Sept 2021 at 14:11, Ard Biesheuvel <ardb@xxxxxxxxxx> wrote:
>
> The CPU field will be moved back into thread_info even when
> THREAD_INFO_IN_TASK is enabled, so add it back to powerpc's definition
> of struct thread_info.
>
> Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx>

Michael,

Do you have any objections or issues with this patch or the subsequent
ones cleaning up the task CPU kludge for ppc32? Christophe indicated
that he was happy with it.

Thanks,
Ard.


> ---
>  arch/powerpc/include/asm/thread_info.h | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
> index b4ec6c7dd72e..5725029aaa29 100644
> --- a/arch/powerpc/include/asm/thread_info.h
> +++ b/arch/powerpc/include/asm/thread_info.h
> @@ -47,6 +47,9 @@
>  struct thread_info {
>         int             preempt_count;          /* 0 => preemptable,
>                                                    <0 => BUG */
> +#ifdef CONFIG_SMP
> +       unsigned int    cpu;
> +#endif
>         unsigned long   local_flags;            /* private flags for thread */
>  #ifdef CONFIG_LIVEPATCH
>         unsigned long *livepatch_sp;
> --
> 2.30.2
>



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