OASIS Virtual I/O Device (VIRTIO) TC

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

  • 1.  Re: [PATCH v8 08/16] packed virtqueues: more efficient virtqueue layout

    Posted 02-16-2018 17:02
    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>