> From: Jan Beulich <jbeul...@suse.com> > Sent: Thursday, February 11, 2021 1:04 AM > > On 10.02.2021 18:00, Andrew Cooper wrote: > > On 10/02/2021 16:48, Jan Beulich wrote: > >> The address of this page is used by the CPU only to recognize when to > >> instead access the virtual APIC page instead. No accesses would ever go > >> to this page. It only needs to be present in the (CPU) page tables so > >> that address translation will produce its address as result for > >> respective accesses. > >> > >> By making this page global, we also eliminate the need to refcount it, > >> or to assign it to any domain in the first place. > >> > >> Signed-off-by: Jan Beulich <jbeul...@suse.com> > > > > How certain are you about this? > > The documentation (I'm inclined to say: unexpectedly) is very > clear about this; I don't think it had been this clear back at > the time. I'm hoping for Kevin to shout if he's aware of issues > here. >
No, I didn't see an issue here. Thanks Kevin
