[Tux3] Tux3 report: Tux3 Git tree available
Daniel Phillips
phillips at phunq.net
Sat Mar 14 21:02:56 PDT 2009
On Thursday 12 March 2009, Roland Dreier wrote:
> > By the way, the endian comment in bitmap.c needs some loving:
> >
> > http://lxr.linux.no/linux+v2.6.28.7/lib/bitmap.c#L35
> >
> > The s390 file needs to be config-independent:
> >
> > - include/asm-s390/bitops.h
> > + arch/s390/include/asm/bitops.h
> >
> > and the ppc file is nowhere to be seen. I will put a driveby patch on
> > the to.do list.
>
> The ppc file is arch/powerpc/include/asm/bitops.h.
Ah right, so the commentary should just reference arch/ instead of
/..asm-<arch>. I am still hoping to hear an actual argument why little
endian bitops are "more natural" than big endian. I don't know of any
myself, either in terms of machine instructions, cycle times or
whatever.
Regards,
Daniel
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