Re: [Xen-devel] [PATCH OSSTEST] kernel-build: enable XEN_BALLOON_MEMORY_HOTPLUG

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

Adding Juergen and Boris for feedback.

On Tue, Mar 24, 2020 at 11:57:48AM +0000, Ian Jackson wrote:
> Ian Jackson writes ("Re: [PATCH OSSTEST] kernel-build: enable 
> XEN_BALLOON_MEMORY_HOTPLUG"):
> > Roger Pau Monne writes ("[PATCH OSSTEST] kernel-build: enable 
> > XEN_BALLOON_MEMORY_HOTPLUG"):
> > > This allows a PVH/HVM domain to use unpopulated memory ranges to map
> > > foreign memory or grants, and is required for a PVH dom0 to function
> > > properly.
> > > 
> > > Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> > 
> > Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> > 
> > I will push this to pretest immediately.
> 
> Now done.  Would you consider whether the default should be changed
> in Linux and prepare a patch to do so if appropriate ?

DYK if there's any reason why this is not on by default?

Thanks, Roger.