Re: [PATCH 01/12] tap: multiqueue support

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On 01/09/2013 05:56 PM, Stefan Hajnoczi wrote:
> On Fri, Dec 28, 2012 at 06:31:53PM +0800, Jason Wang wrote:
>> diff --git a/qapi-schema.json b/qapi-schema.json
>> index 5dfa052..583eb7c 100644
>> --- a/qapi-schema.json
>> +++ b/qapi-schema.json
>> @@ -2465,7 +2465,7 @@
>>  { 'type': 'NetdevTapOptions',
>>    'data': {
>>      '*ifname':     'str',
>> -    '*fd':         'str',
>> +    '*fd':         ['String'],
> This change is not backwards-compatible.  You need to add a '*fds':
> ['String'] field instead.

I'm not quite understand this case, I think it still work when we we
just specify one fd.
>>      '*script':     'str',
>>      '*downscript': 'str',
>>      '*helper':     'str',
>> @@ -2473,7 +2473,8 @@
>>      '*vnet_hdr':   'bool',
>>      '*vhost':      'bool',
>>      '*vhostfd':    'str',
>> -    '*vhostforce': 'bool' } }
>> +    '*vhostforce': 'bool',
>> +    '*queues':     'uint32'} }
> The 'queues' parameter should not be necessary when fd passing is used
> since we can learn the number of queues by looking at the list length.

Ok.
>
> Stefan

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