On Mon, Jul 03, 2023 at 01:00:13PM +0200, Claudio Imbrenda wrote: > On Fri, 30 Jun 2023 12:22:43 -0700 (PDT) > Hugh Dickins <hughd@xxxxxxxxxx> wrote: > > [...] > > > That's something I would have expected to be handled already via > > mmu_notifiers, rather than buried inside the page table freeing. > > > > If s390 is the only architecture to go that way, and could instead do > > it via mmu_notifiers, then I think that will be more easily supported > > in the long term. > > I am very well aware of that, and in fact I've been working on > exactly that for some time already. But it's a very complex minefield > and therefore I'm proceeding *very* carefully. It will take quite some > time before anything comes out. Yes +1 on this please, creating your own arch cross connect with kvm in the page table freers is really horrible.. Jason