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    SubjectRe: When should we use likely() / unlikely() / get_unaligned() ?
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    In message <1076238833.12587.229.camel@imladris.demon.co.uk> you write:
    > To be honest, I'm more interested in the case of get_unaligned(). The
    > principle is fairly similar -- the ratio between the performance of the
    > inline and the exception cases varies wildly from architecture to
    > architecture. But the range is far wider -- 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.

    Rusty.
    --
    Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
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