Re: [virtio-dev] packed ring layout proposal

From
Paolo Bonzini <>
Date
2016-10-26T11:24:25+00:00
ID
Thread
Re: [virtio-dev] packed ring layout proposal
On 26/10/2016 12:14, Yuanhan Liu wrote:
> On Wed, Oct 26, 2016 at 11:49:17AM +0200, Maxime Coquelin wrote:
>>
>>
>> On 09/16/2016 08:51 PM, Michael S. Tsirkin wrote:
>>> On Fri, Sep 16, 2016 at 10:28:19AM +0100, Stefan Hajnoczi wrote:
>>>> On Fri, Sep 16, 2016 at 01:39:15AM +0300, Michael S. Tsirkin wrote:
>>>>> Let's start a discussion around an alternative ring layout.
>>>>> This has been in my kvm forum 2016 presentation.
>>>>> The idea is to have a r/w descriptor in a ring structure,
>>>>> replacing the used and available ring, index and descriptor
>>>>> buffer.
>>>>
>>>> Do you have pseudo-code?  I find it difficult to infer how it's supposed
>>>> to work from the description.
>>>
>>> Find a prototype implementation under tools/virtio/ringbench/ring.c in
>>> latest Linux.
>>
>> Are you sure of the path?
>> I also had a look at your kernel.org repository, but no luck there
>> either.

It's tools/virtio/ringtest/ring.c, not ringbench. :)

Thanks,

Paolo

> Me, neither.
> 
>> Yuanhan is willing to prototype it in DPDK, so I think he will be
>> interested in your implementation.
> 
> Yep :)
> 
> Thanks.
> 
> 	--yliu
> 
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