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Subject: Re: [virtio] [OASIS Issue Tracker] Created: (VIRTIO-35) race condition with multi-dword config accesses
On Fri, Oct 11, 2013 at 02:42:40PM +0100, Pawel Moll wrote: > On Fri, 2013-10-11 at 14:36 +0100, Michael S. Tsirkin wrote: > > Two questions: > > - What's wrong with feature bits as a way to > > select a different layout? That's what they were > > designed for. > > The MMIO transport control register layout is not going to change in > runtime. It must be either version 1 or version 2. > > > - So what's the plan for transitional devices? > > I am not planning anything special in the MMIO transport. > > Paweł > I see, so MMIO won't allow support transitional devices then. OK, let's add a paragraph making this explicit then.
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