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    SubjectRe: [PATCH v4 05/17] xen: memory : Add new XENMAPSPACE type XENMAPSPACE_dev_mmio
    On Fri, 5 Feb 2016, Shannon Zhao wrote:
    > From: Shannon Zhao <shannon.zhao@linaro.org>
    >
    > Add a new type of Xen map space for Dom0 to map device's MMIO region.
    >
    > Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
    > ---
    > include/xen/interface/memory.h | 1 +
    > 1 file changed, 1 insertion(+)
    >
    > diff --git a/include/xen/interface/memory.h b/include/xen/interface/memory.h
    > index 2ecfe4f..9aa8988 100644
    > --- a/include/xen/interface/memory.h
    > +++ b/include/xen/interface/memory.h
    > @@ -160,6 +160,7 @@ DEFINE_GUEST_HANDLE_STRUCT(xen_machphys_mapping_t);
    > #define XENMAPSPACE_gmfn_foreign 4 /* GMFN from another dom,
    > * XENMEM_add_to_physmap_range only.
    > */
    > +#define XENMAPSPACE_dev_mmio 5 /* device mmio region */
    >
    > /*
    > * Sets the GPFN at which a particular page appears in the specified guest's

    This patch needs to wait at least until the corresponding Xen patch
    (the one which introduces XENMAPSPACE_dev_mmio on the Xen side) is
    Acked by one of the Xen maintainers.

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