Re: [Xen-devel] memory hotplug for domUs

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 01/20/2017 09:27 AM, Roger Pau Monné wrote:
> On Fri, Jan 20, 2017 at 09:19:48AM -0500, Boris Ostrovsky wrote:
>>>> For HVM/PVH guests however, ACPI Memory Hotplug.  That way it will work
>>>> for all operating systems, not just Linux.  (Lets please not waste time
>>>> building a somewhat-square wheel which only fits on a Linux shaped axle :) 
>>>> )
>> What about PVH dom0? I suspect we will have the same problem with ACPI
>> memory hotplug there as we have with ACPI CPU hotplug.
>>
>> Of course, we can decide not to support ACPI hotplug for dom0 (which I
>> think is reasonable).
> But IIRC we don't support ACPI memory hotplug for any kind of guests (not even
> HVM), all guest types use the PV balloon driver, that relies on xenstore.


Right. I was responding to Andrew's suggestion to do so in the future
(which is what I think what he meant).


-boris

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