This is v4 of the ACPI memory hotplug functionality. Only x86_64 target is
supported (both i440fx and q35). There are still several issues, but it's
been a while since v3 and I wanted to get some more feedback on the current
state of the patchseries.
Overview:
Dimm device layout is modeled with a
Hi,
> - multiple memory buses can be registered. Memory buses of the real hw/chipset
> or a paravirtual memory bus can be added.
IIRC q35 supports memory hotplug natively (picked up in some
discussion). Is that correct?
What does the code emulate? It doesn't look like it emulates q35 memor
Hi,
On Wed, Dec 19, 2012 at 08:27:36AM +0100, Gerd Hoffmann wrote:
> Hi,
>
> > - multiple memory buses can be registered. Memory buses of the real
> > hw/chipset
> > or a paravirtual memory bus can be added.
>
> IIRC q35 supports memory hotplug natively (picked up in some
> discussion). Is
Hi,
> correct, only the number of channels and ranks(dimms) per channel has been
> emulated so far (2 channels of 4 dimms each). So it is still paravirtual
> memory
> hotplug, not native. Native support still needs to be worked on.
Ok.
>> I think the paravirtual memory hotplug controller shou
> >
> > IIRC q35 supports memory hotplug natively (picked up in some
> > discussion). Is that correct?
> >
> From previous discussion I also understand that q35 supports native hotplug.
> Sections 5.1 and 5.2 of the spec describe the MCH registers but the native
> memory hotplug specifics are n