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Subject: Re: [virtio-dev] packed ring layout proposal

On 10/26/2016 01:24 PM, Paolo Bonzini wrote:

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

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

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


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