Re: [RFC PATCH 0/9] kvm: implement atomic memslot updates

[Like Xu]

On 19/9/2022 12:13 am, Emanuele Giuseppe Esposito wrote:
> Am 09/09/2022 um 16:30 schrieb Sean Christopherson:
> > On Fri, Sep 09, 2022, Emanuele Giuseppe Esposito wrote:
> > > KVM is currently capable of receiving a single memslot update through
> > > the KVM_SET_USER_MEMORY_REGION ioctl.
> > > The problem arises when we want to atomically perform multiple updates,
> > > so that readers of memslot active list avoid seeing incomplete states.
> > >
> > > For example, in RHBZhttps://bugzilla.redhat.com/show_bug.cgi?id=1979276

Oh, thanks for stepping up to try to address it.

As it turns out, this issue was discovered "long" before
https://bugzilla.kernel.org/show_bug.cgi?id=213781

As a comment, relevant selftests are necessary and required.