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    SubjectRe: NS83820 2.6.0-test5 driver seems unstable on IA64
    On Tue, Sep 23, 2003 at 04:37:44PM -0700, David S. Miller wrote:
    > > > Not only sparc would be effected by this. Using {get,put}_unaligned()
    > > > all over the networking would incur a penalty for many platforms, not
    > > > just sparc.
    > >
    > > Really? I'd have thought that get/put_unaligned would be a simple
    > > load/store for architectures which wish to implement it in that manner.
    >
    > Only on systems that have the "load upper/lower-unaligned"
    > instructions. On others it's a memmove().

    It is at the moment, but why should it be? Why can't it be implemented
    as load-and-trap if that's the fastest way to do it?

    (I can see this descending into get_unaligned_likely() and
    get_aligned_unlikely() which i'd rather avoid ...)

    --
    "It's not Hollywood. War is real, war is primarily not about defeat or
    victory, it is about death. I've seen thousands and thousands of dead bodies.
    Do you think I want to have an academic debate on this subject?" -- Robert Fisk
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