On Sun, Jan 07, 2018 at 12:28:32PM -0800, Anthony Liguori wrote:
> static long
> +vixen_gnttab_setup_table(
> +XEN_GUEST_HANDLE_PARAM(gnttab_setup_table_t) uop, unsigned int count)
> +{
> +long rc;
> +
> +struct gnttab_setup_table op;
> +xen_pfn_t *frame_list = NULL;
> +XEN_GUE
From: Anthony Liguori
The grant table is a region of guest memory that contains GMFNs
which in PV are MFNs but are PFNs in HVM. Since a Vixen guest MFN
is an HVM PFN, we can pass this table directly through to the outer
Xen which cuts down considerably on overhead.
We do not forward most of the
