[OASIS Issue Tracker] Commented: (VIRTIO-42) ccw: Provide a revision mechanism.

[ http://tools.oasis-open.org/issues/browse/VIRTIO-42?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=35417#action_35417 ] 

Cornelia Huck commented on VIRTIO-42:
-------------------------------------

Updated proposal: https://lists.oasis-open.org/archives/virtio/201310/msg00160.html

I still think that it would be good to have a mechanism that is orthogonal to the feature bits.

> ccw: Provide a revision mechanism.
> ----------------------------------
>
>                 Key: VIRTIO-42
>                 URL: http://tools.oasis-open.org/issues/browse/VIRTIO-42
>             Project: OASIS Virtual I/O Device (VIRTIO) TC
>          Issue Type: Improvement
>            Reporter: Cornelia Huck
>
> Allow drivers to select a revision they want to operate a device at, and allow devices to only support a subset of revisions.
> This allows non-transtional devices to reject operation by legacy drivers (see https://tools.oasis-open.org/issues/browse/VIRTIO-34).

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