>>> On 03.09.18 at 10:25, <rcojoc...@bitdefender.com> 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;
Wouldn't you, as a prereq to this, first need to make sure global changes leading to EPT misconfig exits get mirrored to all altp2m-s? The prime example is p2m_memory_type_changed(), which only acts on the hostp2m as well. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
