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SubjectRe: virtio-pci new configuration proposal
Date
On Sun, 6 Nov 2011 23:38:49 +0200, "Michael S. Tsirkin" <mst@redhat.com> wrote:
> On Sun, Nov 06, 2011 at 10:24:57PM +0200, Sasha Levin wrote:
> > On Sun, 2011-11-06 at 09:30 +0200, Michael S. Tsirkin wrote:
> > > On Fri, Nov 04, 2011 at 04:53:05PM +0200, Sasha Levin wrote:
> > > > > I guess my assumption is that most options will be in use,
> > > > > not discarded dead-ends.
> > > >
> > > > I don't know about that. 64 bit features would be pretty rare for now -
> > > > and I don't think that setting the alignment will be also enabled by
> > > > default.

The truth is somewhere between. New features tend to be used, and
importantly, they have to be offered.

Anyway, the *per-device* config part will be contiguous. So we're
talking about pci-specific features.

So far, the only three things make sense to have in a capability list:
MSI-X, the upper 32 feature bits, and the per-device config.

Thanks,
Rusty.


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