Re: [Qemu-devel] [qemu PATCH for 2.10] i386: acpi: provide an XSDT instead of an RSDT

[Paolo Bonzini]

> The point is that for PC we really should not keep piling up hacks,
> compatibility is more important.

Non-explosion of the test matrix is just as important.

> > Doing it for PC only would mean switching
> > back from FADT rev3 to rev1, which is worse for guest OS support,
> 
> It's only OSX AFAIK and IIRC OSX doesn't run on PC anyway.

Sure it does.  You can run it on VMware Workstation which emulates
some i440FX-like chipset.

> It's definitely way more code. I'll change my mind if there's
> a guest that needs the new FADT.

Then you can prepare a patch to revert the FADTv3 commit, or do the
work to make it specific to the 2.10 Q35 machine type.

Paolo