Re: [PATCH v3 8/9] SUPPORT.md: add xenstorepvh-stubdom live update

[Julien Grall <julien@xxxxxxx>]

Hi Juergen,

On 13/09/2025 08:16, Jürgen Groß wrote:
> On 12.09.25 23:09, Julien Grall wrote:
> > Hi Juergen,
> >
> > Sorry for the late answer.
> >
> > On 30/07/2025 13:23, Juergen Gross wrote:
> > > Live update is now working with the PVH variant of xenstore-stubdom.
> >  > > Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> > > ---
> > > V2:
> > > - new patch
> > > ---
> > >   SUPPORT.md | 2 +-
> > >   1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/SUPPORT.md b/SUPPORT.md
> > > index 6a82a92189..eb44ee85fd 100644
> > > --- a/SUPPORT.md
> > > +++ b/SUPPORT.md
> > > @@ -280,7 +280,7 @@ or itself will not be regarded a security issue.
> > >   ### C xenstore stubdom PVH
> > >       Status: Supported
> > > -    Status, Liveupdate: Not implemented
> > > +    Status, Liveupdate: Supported
> > I went through the changes in Xenstored for the stubdom and I have one 
> > question regarding [1]. Does this mean the event channel will be 
> > closed during Live- Update? Asking because I vaguely remember we need 
> > to keep them open to avoid losing events. I am wondering how this 
> > would work in stubdom?
> The event channel is still open, its just the Mini-OS internals that don't
> know about this. This is the reason for calling xenevtchn_bind() to bring
> hypervisor and Mini-OS view in sync again, without changing the hypervisor
> side.
Thanks for the clarification.

Acked-by: Julien Grall <jgrall@xxxxxxxxxx>

Cheers,
--
Julien Grall