Re: [PATCH 0/6] Add an asm-generic cpuinfo_op declaration

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Hi Conor,

On Mon, Aug 22, 2022 at 12:05 PM <Conor.Dooley@xxxxxxxxxxxxx> wrote:
> On 22/08/2022 10:36, Geert Uytterhoeven wrote:
> > On Sun, Aug 21, 2022 at 1:36 PM Conor Dooley <mail@xxxxxxxxxxx> wrote:
> >>   arch/microblaze/include/asm/processor.h | 2 +-
> >>   arch/riscv/include/asm/processor.h      | 1 +
> >>   arch/s390/include/asm/processor.h       | 2 +-
> >>   arch/sh/include/asm/processor.h         | 2 +-
> >>   arch/sparc/include/asm/cpudata.h        | 3 +--
> >>   arch/x86/include/asm/processor.h        | 2 +-
> >>   include/asm-generic/processor.h         | 7 +++++++
> >>   7 files changed, 13 insertions(+), 6 deletions(-)
> >>   create mode 100644 include/asm-generic/processor.h
> >
> > I was a bit surprised not to find fs/proc/cpuinfo.c in the diffstat
> > above. That file already has an external declaration for cpuinfo_op,
> > and uses it rather unconditionally (that is, if CONFIG_PROC_FS=y)
> > on all architectures.
> >
> > So I think you can just move that to include/linux/processor.h, include
> > the latter everywhere, and drop all architecture-specific copies.
>
> This is the sort of thing I was really hoping to hear, so fine by
> me.. When you say "everywhere", I assume you mean in every arch
> and not just the ones listed here that already have it in an arch
> specific header?

Yes, above every user, to silence the sparse "foo was not
declared. Should it be static?" warnings.

Thanks!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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