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Subject: Re: [virtio-dev] [PATCH] Add virtio parameter server device specification

On 09.06.21 22:30, Hao Chen wrote:
 > Why not directly putting 9P links into virtio devices ?

We have thought about using files to represent properties, but it turns out we may need to subscribe to a large amount of properties, so opening all of those files and polling is not ideal. Also the cross-property time-order matters in our case, so we abandoned this idea.

On 9P it would just be issuing one Tread per file you're intersted in
(of course, after Rread comes in, you'll have to send it again, if you
wanna continue to read).

How is that so different from subscriptions ?


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Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
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