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SubjectRe: [PATCH] kbuild: provide include/asm/asm-prototypes.h for ARM
On Wed, Oct 19, 2016 at 5:32 PM, Russell King - ARM Linux
<linux@armlinux.org.uk> wrote:
> I'm not in favour of this.
>
> +extern void mmioset(void *, unsigned int, size_t);
> +extern void mmiocpy(void *, const void *, size_t);
> +
> #ifndef __ARMBE__
> static inline void memset_io(volatile void __iomem *dst, unsigned c,
> size_t count)
> {
> - extern void mmioset(void *, unsigned int, size_t);
> mmioset((void __force *)dst, c, count);
> }
>
> The reason they're declared _within_ memset_io() is to prevent people
> from using them by hiding their declaration. Moving them outside is
> an open invitation to stupid people starting to use them as an "oh it
> must be an official API".

If they're not intended for public use, they should (also) be prefixed
with "__" or even "____" to make this clear.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

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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