Messages in this thread | | | From | Rusty Russell <> | Subject | Re: virtio-pci new configuration proposal | Date | Mon, 07 Nov 2011 15:46:23 +1030 |
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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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