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Subject: [OASIS Issue Tracker] (VIRTIO-112) 3.1.2 Device Initialization: feedback from ARM


     [ https://issues.oasis-open.org/browse/VIRTIO-112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Tsirkin updated VIRTIO-112:
-----------------------------------

    Affects Version/s: virtio 1.0 csprd03

> 3.1.2 Device Initialization: feedback from ARM
> ----------------------------------------------
>
>                 Key: VIRTIO-112
>                 URL: https://issues.oasis-open.org/browse/VIRTIO-112
>             Project: OASIS Virtual I/O Device (VIRTIO) TC
>          Issue Type: Bug
>    Affects Versions: virtio 1.0 csprd03
>         Environment: Brian Foley<brian.foley@arm.com>
>            Reporter: Pawel Moll
>             Fix For: virtio 1.0 csprd03
>
>
> * 3.1.2 &quot;Legacy devices do not support the FEATURES_OK status bit, and
> thus did not have a graceful way for the device to indicate unsupported
> feature combinations. It also did not provide a clear mechanism to
> end feature negotiation, which meant that devices finalized features on
> first-use, and no features could be introduced which radically changed
> the initial operation of the device.&quot; 
> This has mixed tenses (&quot;do not&quot;/&quot;did not&quot;/&quot;which meant&quot;). Probably
> should all be present tense, since all the statements are still true of
> legacy devices now as well as in the past.



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