On Mon, Oct 29, 2018 at 6:41 AM Razvan Cojocaru <[email protected]> wrote: > > When an new altp2m view is created very early on guest boot, the > display will freeze (although the guest will run normally). This > may also happen on resizing the display. The reason is the way > Xen currently (mis)handles logdirty VGA: it intentionally > misconfigures VGA pages so that they will fault. > > The problem is that it only does this in the host p2m. Once we > switch to a new altp2m, the misconfigured entries will no longer > fault, so the display will not be updated. > > This patch: > * updates ept_handle_misconfig() to use the active altp2m instead > of the hostp2m; > * modifies p2m_change_entry_type_global(), p2m_memory_type_changed > and p2m_change_type_range() to propagate their changes to all > valid altp2ms. > > Signed-off-by: Razvan Cojocaru <[email protected]> > Suggested-by: George Dunlap <[email protected]>
Tested-by: Tamas K Lengyel <[email protected]> _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
