Re: [Qemu-devel] [PATCH 21/27] pc: add memory hotplug 440fx machine

[Gerd Hoffmann]

On Do, 2013-11-21 at 03:38 +0100, Igor Mammedov wrote:
> Add DimmBus for memory hotplug below 4Gb or above 4Gb depending
> on initial memory size and hotplug memory size.
> 
> * if ram_size is less than 32-bit PCI hole start, reserve
>   hotplug memory region as [ram_size,32bit-PCIhole-start)
>   if hotplug memory region fits there,
>   otherwise reserve hotplug memory region after "0x100000000ULL
>   + above_4g_mem_size"

Hmm, 32-bit pci hole start depends on ram size ...

Does it make sense to hotplug memory above 4g unconditionally to
simplify things?

cheers,
  Gerd