doc/vhost: update zero copy performance tip
authorJunjie Chen <junjie.j.chen@intel.com>
Thu, 26 Apr 2018 08:13:20 +0000 (16:13 +0800)
committerFerruh Yigit <ferruh.yigit@intel.com>
Mon, 14 May 2018 21:26:36 +0000 (22:26 +0100)
commita24e7032f74ecc9ba5a86232efaa972b71425de7
treefdc0bc282a4a3757678617a274e23148bb2ca1ae
parent28abade0a7208774432c3eebc65ebbe126c5e3db
doc/vhost: update zero copy performance tip

In VM2NIC case zero copy may need some tuning to get best performance.
This patch describes the zero copy starved case and provides a tuning
tip.

Signed-off-by: Junjie Chen <junjie.j.chen@intel.com>
Acked-by: Maxime Coquelin <maxime.coquelin@redhat.com>
doc/guides/prog_guide/vhost_lib.rst