Messages in this thread | | | Date | Wed, 9 Nov 2011 17:33:14 +0200 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCH RFC] virtio-spec: flexible configuration layout |
| |
On Wed, Nov 09, 2011 at 02:36:43PM +0200, Pekka Enberg wrote: > On Wed, 9 Nov 2011, Sasha Levin wrote: > >They don't exist in kernel code either, for same reason as above. > > > >Nothing will break if we remove it since no one really used it, we were > >probably the first and only implementation of the spec which considered > >them :) > > As long as we are able to run older versions of the KVM tool with > newer kernels and vice versa, I see no reason why we can't drop 64-bit > features from the KVM tool. > > Pekka
What do these older versions do? Do they *set* bit 31 in the features register?
-- MST
| |