Re: updating Xen public headers

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Tue, Dec 06, 2011 at 12:22:06PM +0100, Christoph Egger wrote:
> New interfaces for PV drivers:
> 
> - Xen transcedent memory
> - USB IO
> - SCSI IO
> 
> PCI IO improvements for PV domU:
> 
> - PCI MSI support
> - PCI Express AER support
> 
> New features:
> 
> - xen honors flags to be placed into guest kernel available
>   pte bits if enabled (for grant table)
> - support for 128 vcpus
>   (old interface is still present and supports up to 32 vcpus)
> - PCI passthrough: new hypercalls to support SR-IOV
> - new hypercall to for physical cpu hotplugging
> - new hypercall for physical page offlining
> - fixes to compile with clang
> - machine check recovery mechanism

OK, looks fine. But we have to be carefull, when we'll start using
these features, that a dom0/domU with them can still work with a domU/dom0
that doesn't have them

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--