On Mon, Oct 14, 2013 at 09:24:32AM +0100, Marc Zyngier wrote: > Hi Michael, > > On 12/10/13 19:28, Michael S. Tsirkin wrote: > > On Fri, Oct 11, 2013 at 03:36:08PM +0100, Marc Zyngier wrote: > >> This small patch series adds just enough kernel infrastructure and > >> fixes to allow a BE guest to use virtio-mmio on a LE host, provided > >> that the host actually supports such madness. > >> > >> This has been tested on arm64, with some fixes to KVM and a set of > >> changes to kvmtool, both which I am posting separately. > >> > >> A branch containing all the relevant changes is at: > >> git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git kvm-arm64/be-on-le-3.12-rc4 > >> > >> Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx> > >> Cc: Michael S. Tsirkin <mst@xxxxxxxxxx> > >> Cc: Pawel Moll <pawel.moll@xxxxxxx> > > > > We are changing the spec to make everything LE instead of > > the native endian. > > > > I think that'll fix the issue in a cleaner way. > > While I agree that it would solve the issue completely, it would also > break all BE users. Is that really an option? I proposed several ways to create "transitional devices" which can detect and switch to old interface at run-time. Pawel thinks that's not necessary so ... > The whole goal of this series is to implement something that gracefully > falls back to what we have today, not breaking anything in the process. > > Cheers, > > M. > -- > Jazz is not dead. It just smells funny... -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
