[SLOF] [PATCH] pci: Reserve free space at the end of bridge windows instead of at the beginning

David Gibson david at gibson.dropbear.id.au
Fri May 19 16:44:01 AEST 2017

On Fri, May 19, 2017 at 08:28:48AM +0200, Thomas Huth wrote:
> On 19.05.2017 07:47, David Gibson wrote:
> [...]
> > That said, I just realized there's another wrinkle here - we're going
> > to need to introduce a compatibility mode for SLOF (presumably keyed
> > off a device tree variable) so that we don't introduce a guest-visible
> > change in older machine types.
> I don't think so. It does not affect migration, you only get a different
> layout once you reboot the guest - and then the OS should adapt to that
> new layout automatically.

Hm, according to Andrea at least, that's not sufficient - the same
argument applies to the CAS PVR negotiation changes.

David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
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