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    SubjectRe: [RFC PATCH 0/3] generic hypercall support
    * Gregory Haskins (ghaskins@novell.com) wrote:
    > Chris Wright wrote:
    > > * Avi Kivity (avi@redhat.com) wrote:
    > >> Gregory Haskins wrote:
    > >>> Cool, I will code this up and submit it. While Im at it, Ill run it
    > >>> through the "nullio" ringer, too. ;) It would be cool to see the
    > >>> pv-mmio hit that 2.07us number. I can't think of any reason why this
    > >>> will not be the case.
    > >>>
    > >> Don't - it's broken. It will also catch device assignment mmio and
    > >> hypercall them.
    > >
    > > Not necessarily. It just needs to be creative w/ IO_COND
    >
    > Hi Chris,
    > Could you elaborate? How would you know which pages to hypercall and
    > which to let PF?

    Was just thinking of some ugly mangling of the addr (I'm not entirely
    sure what would work best).


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