On Thu, Feb 09 2023, David Edmondson <[email protected]> wrote:
> On Thursday, 2023-02-09 at 07:13:32 -05, Michael S. Tsirkin wrote:
>> +In particular, this is
>> +especially important for features limited to specific transports,
>> +as enabling these for more transports in future versions of the
>> +specification is highly likely to require changing the behaviour
>> +from drivers and devices. Drivers and devices supporting
>
> "changing the behaviour of" or "changed behaviour from" (prefer the
> former).
Agreed, I'd prefer the former as well.
>
>> +multiple transports need to carefully maintain per-transport
>> +lists of allowed features.
>> +
>> \drivernormative{\subsection}{Feature Bits}{Basic Facilities of a Virtio
>> Device / Feature Bits}
>> The driver MUST NOT accept a feature which the device did not offer,
>> and MUST NOT accept a feature which requires another feature which was
>> not accepted.
>>
>> +The driver MUST validate the feature bits offered by the device.
>> +The driver MUST ignore and MUST NOT accept any feature bit that is
>> +\begin{itemize}
>> +\item not described in this specification,
>> +\item marked as reserved,
>> +\item not supported for the specific transport,
>
> What does "supported" mean here? By the driver? By the specification in
> respect of this transport?
Maybe "not specified for the specific transport"?
>
>> +\item not defined for the device type.
>> +\end{itemize}
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