Hi,

At 08:14 -0400 on 02 Jul (1435824854), Bread Cutter wrote:
>             /* Translate the given virtual address to the guest frame number 
> */
>             gfn = paging_gva_to_gfn(current, domctl->va, &pfec);

This function only works for domains that have paging assistance
enabled (i.e. not typically dom0).   You might try using
guest_get_eff_l1e() to find the PTE that maps domctl->va; that works
for PV guests.  There's some code in ptwr_do_page_fault() that you
could start with.

Cheers,

Tim.

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