On Wed, 12 Feb 2020 at 14:44, David Hildenbrand <da...@redhat.com> wrote: > > We want to actually resize ram blocks (make everything between > used_length and max_length inaccessible) - however, not all ram block > notifiers will support that. Let's teach the notifier that ram blocks > are indeed resizable, but keep using max_size in the existing notifiers. > > Supply the max_size when adding and removing ram blocks. Also, notify on > resizes. Introduce a way to detect if any registered notifier does not > support resizes - ram_block_notifiers_support_resize() - which we can later > use to fallback to legacy handling if a registered notifier (esp., SEV and > HAX) does not support actual resizes. > > Cc: Richard Henderson <r...@twiddle.net> > Cc: Paolo Bonzini <pbonz...@redhat.com> > Cc: "Dr. David Alan Gilbert" <dgilb...@redhat.com> > Cc: Eduardo Habkost <ehabk...@redhat.com> > Cc: Marcel Apfelbaum <marcel.apfelb...@gmail.com> > Cc: Stefano Stabellini <sstabell...@kernel.org> > Cc: Anthony Perard <anthony.per...@citrix.com> > Cc: Paul Durrant <p...@xen.org> > Cc: "Michael S. Tsirkin" <m...@redhat.com> > Cc: xen-de...@lists.xenproject.org > Cc: Igor Mammedov <imamm...@redhat.com> > Signed-off-by: David Hildenbrand <da...@redhat.com>
Xen parts... Acked-by: Paul Durrant <p...@xen.org>
