Re: [PATCH v9 2/3] x86,/proc/pid/status: Add AVX-512 usage elapsed time

[Thomas Gleixner]

On Tue, 12 Feb 2019, Aubrey Li wrote:
> diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
> index d53c54b842da..60ee932070fe 100644
> --- a/arch/x86/include/asm/processor.h
> +++ b/arch/x86/include/asm/processor.h
> @@ -996,5 +996,7 @@ enum l1tf_mitigations {
>  };
>  
>  extern enum l1tf_mitigations l1tf_mitigation;
> +/* Add support for architecture specific output in /proc/pid/status */
> +extern void arch_proc_pid_status(struct seq_file *m, struct task_struct *task);

Sigh. This is absolutely the wrong place. The weak function is declared and
used in fs/proc/... So the prototype wants to be in a header which is
included from there independent of x86...

Thanks,

	tglx