Re: [Qemu-devel] [PATCH v2] map 64-bit PCI BARs at location provided by emulator

[Igor Mammedov <imammedo@redhat.com>]

On Tue, 15 Oct 2013 11:24:19 +0200
Gerd Hoffmann <kraxel@redhat.com> wrote:

>   Hi,
> 
> > > > What is the state of the qemu side patches btw?
> > > I've them ready but they conflict with you 1Tb in e820 RFC,
> > > I can post relevant patches as soon as we agree on this topic.
> > > May I pick up your patch and post it along with pcimem64-start patches?
> > 
> > So for qemu we really need to merge them together with
> > memory hotplug I think.
> 
> I'd prefer to not delay them until the full memory hotplug is ready to
> go though, for release planning reasons.
> 
> Once the pcimem64-$whatever patch is in (+apci-from-qemu) no additional
> support is needed in seabios to handle memory hotplug, correct?
almost,
according our latest discussions it will make SMBIOS reflect incorrect
memory devices info after reboot, but that could go before mem hotplug or even
as follow up to make SMBIOS work with non-contiguous memory ranges.

> 
> So we can go prepare a seabios release when the interfaces are settled
> and merged, and continuing the work on memory hotplug can happen in
> parallel.
true, and that will make resulting memhotplug series smaller.

> cheers,
>   Gerd
> 
> 
>