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Subject: Re: [PATCH v8 08/16] packed virtqueues: more efficient virtqueue layout


On Fri, 16 Feb 2018 09:24:12 +0200
"Michael S. Tsirkin" <mst@redhat.com> wrote:

> Performance analysis of this is 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.
> 
> This is also easier for devices to implement than the 1.0 layout.
> Several more enhancements will be necessary to actually make this
> efficient for devices to use.
> 
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> ---
>  content.tex     |  28 ++-
>  packed-ring.tex | 646 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 671 insertions(+), 3 deletions(-)
>  create mode 100644 packed-ring.tex

I'm at the point where my eyes glaze over when I try to look at this
yet again, so you won't get a r-b from me, but

Acked-by: Cornelia Huck <cohuck@redhat.com>


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