On Thu, Aug 11, 2022 at 12:27:56PM +0000, Quentin Perret wrote: > +CC Fuad > > On Wednesday 10 Aug 2022 at 14:38:43 (+0000), Sean Christopherson wrote: > > > I understand Sean's suggestion about abstracting, but if the new name > > > makes it harder to grasp and there isn't really an alternative to memfd > > > in sight, I'm not so sure I enjoy the tried abstraction here. > > > > ARM's pKVM implementation is potentially (hopefully) going to switch to this API > > (as a consumer) sooner than later. If they anticipate being able to use memfd, > > then there's unlikely to be a second backing type any time soon. > > > > Quentin, Will? > > Yep, Fuad is currently trying to port the pKVM mm stuff on top of this > series to see how well it fits, so stay tuned. Good to hear that. >I think there is still > some room for discussion around page conversions (private->shared etc), > and we'll need a clearer idea of what the code might look like to have a > constructive discussion, That's fine. Looking forward to your feedbacks. >but so far it does seem like using a memfd (the > new private one or perhaps just memfd_secret, to be discussed) + memfd > notifiers is a promising option. If it still memfd (even memfd_secret), maybe we can use the name memfd_notifier? Chao
