Re: [Qemu-devel] [PATCH rebased for-1.8] i386: pc: align gpa<->hpa on 1GB boundary (v6)

[Michael S. Tsirkin]

On Tue, Dec 10, 2013 at 11:15:40PM +0100, Laszlo Ersek wrote:
> On 12/10/13 23:13, Laszlo Ersek wrote:
> 
> > Please let OVMF know about the big MMIO range (the "split" you mention)
> > - that is going to be advertised via ACPI to the OS,
> > - in an easy to parse format over fw_cfg.
> 
> Anyway just ignore me this time. I test OVMF regularly on fresh qemu
> builds and if something breaks I'll complain. (NB the current status
> *is* broken, I just haven't been complaining recently because I keep
> rebasing Gerd's patch.)
> 
> Thanks
> Laszlo

I'd like to merge Gerd's patch, and a similar patch for q35.
For q35 we need to get rid of MCH_HOST_BRIDGE_PCIEXBAR_DEFAULT.

However, I think we have to limit this change to pc-2.0 and newer:
qemu 1.8 still has the "pci hole" concept, so guest can't put
devices outside the specific ranges.

Anyone plans to look into this?

-- 
MST