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    SubjectRe: [PATCH 3/6] x86: Add support for the clwb instruction
    On Tue, Nov 11, 2014 at 12:40:00PM -0700, Ross Zwisler wrote:
    > Yep, it's weird, I know. :)

    But sure, saving opcode space, makes sense to me.

    Btw, I'd still be interested about this:

    > +static inline void clwb(volatile void *__p)
    > +{
    > + alternative_io_2(".byte " __stringify(NOP_DS_PREFIX) "; clflush %P0",

    Any particular reason for using 0x3e as a prefix to have the insns be
    the same size or is it simply because CLFLUSH can stomach it?

    Thanks.

    --
    Regards/Gruss,
    Boris.

    Sent from a fat crate under my desk. Formatting is fine.
    --


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