Re: [PATCH] x86: Optimize find_next_(zero_)bit for smallconstant-size bitmaps

From: Ingo Molnar
Date: Tue Mar 11 2008 - 11:23:33 EST



* Alexander van Heukelum <heukelum@xxxxxxxxxxxxx> wrote:

> > > +#endif /* CONFIG_GENERIC_FIND_NEXT_BIT */
> >
> > there should be an #else here i think, which maps find_next_bit to
> > __find_next_bit / etc.
>
> No, that is intentional: architectures are expected to either set
> CONFIG_GENERIC_FIND_NEXT_BIT, or provide their own implementation of
> find_next_bit.

indeed, you are right.

> This version runs fine on qemu.

great - i've queued it up into x86.git.

Ingo
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