Re: [PATCH 5/6] sparc: use the asm-generic version of cpuinfo_op

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Hi Conor.

Thanks for this nice simplification, but I think you can make it even
better.

On Sun, Aug 21, 2022 at 12:35:12PM +0100, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> 
> There's little point in duplicating the declaration of cpuinfo_op now
> that there's a shared version of it, so drop it & include the generic
> header.
> 
> Signed-off-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
> ---
>  arch/sparc/include/asm/cpudata.h | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/arch/sparc/include/asm/cpudata.h b/arch/sparc/include/asm/cpudata.h
> index d213165ee713..af6ef3c028a9 100644
> --- a/arch/sparc/include/asm/cpudata.h
> +++ b/arch/sparc/include/asm/cpudata.h
> @@ -6,8 +6,7 @@
>  
>  #include <linux/threads.h>
>  #include <linux/percpu.h>
> -
> -extern const struct seq_operations cpuinfo_op;
> +#include <asm-generic/processor.h>

Since the header file did not need <asm-generic/processor.h> then it
should not need it now after deleting stuff.
The better fix is to add the missing include to arch/sparc/kernel/cpu.c,
where we have the user of it.

A header file should include what it needs, and no more.

I looked only at this patch, this comment may also be relevant for the
other patches.

	Sam



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