On 09/02/2026 4:20 pm, Alejandro Vallejo wrote: > On Mon Feb 9, 2026 at 4:55 PM CET, Roger Pau Monné wrote: >> On Mon, Feb 09, 2026 at 04:35:04PM +0100, Alejandro Vallejo wrote: >>> On Mon Feb 9, 2026 at 3:42 PM CET, Roger Pau Monné wrote: >>>> PV needs shadow for migration. >>> shadow in the sense of shadow paging? So PV-only + !SHADOW means migrations >>> are >>> impossible? Why can't Xen operate on the PV pagetables rather than using >>> shadow?
This question doesn't appear to have been answered. Because PV guests can read their own pagetabes, and need to not see an absence of _PAGE_RW where it has a writeable page. ~Andrew
