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Subject: Re: [PATCH] virtio-ccw: relax device requirement for revision-specific command rejection

On Tue, 16 Feb 2021 11:47:28 +0100
Cornelia Huck <cohuck@redhat.com> wrote:

> The device is currently required to reject any command that is
> not contained in the negotiated revision. Some implementations
> did not actively check for the revision when processing a command;
> retroactively changing these implementations can break existing
> drivers.
> Relaxing the rejection requirement to SHOULD makes these existing
> device implementations compliant, and will not have any effect on
> drivers that did not send any commands for wrong revisions.
> Fixes: https://github.com/oasis-tcs/virtio-spec/issues/96
> Signed-off-by: Cornelia Huck <cohuck@redhat.com>

Reviewed-by: Halil Pasic <pasic@linux.ibm.com>

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