Re: [Qemu-devel] KVM call agenda for 2013-05-28

[Gerd Hoffmann]

  Hi,

> Why should this be true?  Shouldn't we be allowed to increase the amount
> of memory the guest has across reboots?  That's equivalent to adding
> another DIMM after power off.

poweroff is equivalent to exiting qemu, not to guest reset.

> Not generating tables on reset does limit what we can do in a pretty
> fundamental way.  Even if you can argue it in the short term, I don't
> think it's viable in the long term.

I don't think so.  The procedure for adding/removing non-hotpluggable
hardware is:  poweroff, plugin/-out hardware (change config in qemu),
boot.  Hotpluggable hardware doesn't need acpi table updates.

cheers,
  Gerd