Re: [Qemu-devel] [PATCH 00/35] pc: ACPI memory hotplug

[Igor Mammedov]

On Fri, 4 Apr 2014 17:57:28 +0100
"Dr. David Alan Gilbert" <address@hidden> wrote:

> * Igor Mammedov (address@hidden) wrote:
> 
> <snip>
> 
> > This series allows to hotplug 'arbitrary' DIMM devices specifying size,
> > NUMA node mapping (guest side), slot and address where to map it, at 
> > runtime.
> 
> Some high level questions:
>   1) Is the intention that all guest RAM would be hot pluggable like this
>      (i.e. no memory would be allocated in the normal way)
Later, I plan to convert initial memory to DIMM devices as well, but only to not
hotpluggable ones so far for simplicity sake.

>   2) Does something stop it being invoked during a migration?
As far as I know, there is no checks to prevent any hotplug op during
migration. Considering how migration currently works, hotplug should be
disabled at migration time.

> 
> Dave
> --
> Dr. David Alan Gilbert / address@hidden / Manchester, UK