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SubjectRe: When should we use likely() / unlikely() / get_unaligned() ?
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On Mon, 2004-02-09 at 10:00 +1100, Rusty Russell wrote:
> > we now support architectures in 2.6 where alignment fixups _cannot_ happen,
> > and the cost of the 'exception' case should be considered infinite.
>
> Um, we do? I thought it was compulsory in the kernel, otherwise
> networking breaks on packets w/ wierd hardware headers.

We do. It breaks. I'm trying to come up with a solution for it which
actually lets us optimise elsewhere too, and hence has at least a
whelk's chance in a supernova of being accepted... :)

--
dwmw2


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