Re: [PATCH] virtio-balloon: Fix page-poison subsection name

[David Hildenbrand]

On 14.09.21 15:47, Philippe Mathieu-Daudé wrote:
> On 9/14/21 3:17 PM, Dr. David Alan Gilbert (git) wrote:
> > From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
> >
> > The subsection name for page-poison was typo'd as:
> >
> >    vitio-balloon-device/page-poison
> >
> > Note the missing 'r' in virtio.
> >
> > When we have a machine type that enables page poison, and the guest
> > enables it (which needs a new kernel), things fail rather unpredictably.
>
> IIUC since v5.1 guests have 'page-poison'=true but once migrated
> they become 'page-poison'=unset=false?

We only migrate the subsection if the guest supports the feature (-> 
newer guest kernel).

If we migrate, it's a broken migration stream. If we don't migrate, 
everything is fine.

--
Thanks,

David / dhildenb