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Date: Mon, 07 Nov 2011 15:46:23 +1030 From: Rusty Russell <rusty@...tcorp.com.au> To: "Michael S. Tsirkin" <mst@...hat.com>, Sasha Levin <levinsasha928@...il.com> Cc: linux-kernel <linux-kernel@...r.kernel.org>, kvm <kvm@...r.kernel.org>, virtualization <virtualization@...ts.linux-foundation.org>, Anthony Liguori <anthony@...emonkey.ws> Subject: Re: virtio-pci new configuration proposal On Sun, 6 Nov 2011 23:38:49 +0200, "Michael S. Tsirkin" <mst@...hat.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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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