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Subject: Re: [virtio-dev] Re: [virtio] [PATCH v7 08/11] packed virtqueues: more efficient virtqueue layout

On 05/02/2018 17:57, Halil Pasic wrote:
>> This is certainly not how we did it for v1.0, and not how
>> oasis process works generally. Implementations are required
>> to move to an oasis standard change. We are working on
>> a committee standard deliverables.
>> I don't yet plan to work on an implementation yet: it's a bit of a
>> chicked and egg problem. People are reluctant to work on what's not in
>> the spec. We can always make changes as long as there are no
>> implementations.
> 'We can always make changes as long as there are no implementations'
> comes very surprising to me. I believed, once a committee specification
> is released the requirements for changes are given, and don't depend
> on known implementations.
> Does this imply that one should be reluctant about implementing
> a virtio specification that still has no implementation (because it ain't
> stable, and may change, because there is no implementation yet)?

I agree that this doesn't seem optimal.  This is a much bigger change
than anything between virtio 0.9 and in virtio 1.0, because it affects
the data path directly.


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