Messages in this thread | | | Date | Wed, 16 Nov 2011 09:21:38 +0200 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCHv2 RFC] virtio-spec: flexible configuration layout |
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On Wed, Nov 16, 2011 at 10:28:52AM +1030, Rusty Russell wrote: > On Fri, 11 Nov 2011 09:39:13 +0200, Sasha Levin <levinsasha928@gmail.com> wrote: > > On Fri, Nov 11, 2011 at 6:24 AM, Rusty Russell <rusty@rustcorp.com.au> wrote: > > > (2) There's no huge win in keeping the same layout. Let's make some > > > cleanups. There are more users ahead of us then behind us (I > > > hope!). > > > > Actually, if we already do cleanups, here are two more suggestions: > > > > 1. Make 64bit features a one big 64bit block, instead of having 32bits > > in one place and 32 in another. > > 2. Remove the reserved fields out of the config (the ones that were > > caused by moving the ISR and the notifications out). > > Yes, those were exactly what I was thinking. I left it vague because > there might be others you can see if we're prepared to abandon the > current format. > > Cheers, > Rusty.
Yes but driver code doesn't get any cleaner by moving the fields. And in fact, the legacy support makes the code messier. What are the advantages?
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