On Wed, May 25, 2016 at 10:11 AM, George Spelvin
<linux@xxxxxxxxxxxxxxxxxxx> wrote:
> Geert Uytterhoeven wrote:
>> Usually this is handled through include/asm-generic/.
>> Put the generic default implementation in include/asm-generic/hash.h.
>>
>> Architectures that need to override provide their own version, e.g.
>> arch/m68k/include/asm/hash.h. They may #include <asm-generic/hash.h>
>> if they still want to reuse parts of the generic implementation.
>>
>> Other architectures add "generic-y += hash.h" to their
>> arch/<ARCH>/include/asm/Kbuild.
>
> I thought about that, but then I'd have to edit *every* architecture,
> and might need acks from all the maintainers.
>
> I was looking for something that was a total no-op on most architectures.
>
> But if this is preferred, it's not technically difficult at all.
As you only include <asm/archhash.h> if CONFIG_HAVE_ARCH_HASH
is defined, you can also just call the arch-specific one <asm/hash.h>.
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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