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    SubjectRe: [PATCH 1/6] xen: Add RING_COPY_RESPONSE()
    On Mon, Apr 30, 2018 at 05:25:52PM -0400, Boris Ostrovsky wrote:
    > Also, perhaps the two can be collapsed together, along the lines of
    >
    > #define RING_COPY_(action, _r, _idx, _msg) do {                          \
    >         /* Use volatile to force the copy into _msg. */                 \
    >         *(_msg) = *(volatile typeof(_msg))RING_GET_##action(_r, _idx);   \
    > } while (0)
    >
    > #define RING_COPY_REQUEST(_r, _idx, _req)  RING_COPY_(REQUEST, _r, _idx,
    > _req)
    > #define RING_COPY_RESPONSE(_r, _idx, _rsp)  RING_COPY_(RESPONSE, _r,
    > _idx, _rsp)
    >
    >
    > (I have not tried to compile this so it may well be wrong)

    It works, thanks :)
    I'll wait with v2 until I get feedback on other patches.

    --
    Best Regards,
    Marek Marczykowski-Górecki
    Invisible Things Lab
    A: Because it messes up the order in which people normally read text.
    Q: Why is top-posting such a bad thing?
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