Messages in this thread | | | Date | Mon, 28 Nov 2016 13:18:05 -0500 (EST) | Subject | Re: [PATCH net-next] virtio-net: enable multiqueue by default | From | David Miller <> |
| |
From: Jason Wang <jasowang@redhat.com> Date: Fri, 25 Nov 2016 12:37:26 +0800
> We use single queue even if multiqueue is enabled and let admin to > enable it through ethtool later. This is used to avoid possible > regression (small packet TCP stream transmission). But looks like an > overkill since: > > - single queue user can disable multiqueue when launching qemu > - brings extra troubles for the management since it needs extra admin > tool in guest to enable multiqueue > - multiqueue performs much better than single queue in most of the > cases > > So this patch enables multiqueue by default: if #queues is less than or > equal to #vcpu, enable as much as queue pairs; if #queues is greater > than #vcpu, enable #vcpu queue pairs. > > Cc: Hannes Frederic Sowa <hannes@redhat.com> > Cc: Michael S. Tsirkin <mst@redhat.com> > Cc: Neil Horman <nhorman@redhat.com> > Cc: Jeremy Eder <jeder@redhat.com> > Cc: Marko Myllynen <myllynen@redhat.com> > Cc: Maxime Coquelin <maxime.coquelin@redhat.com> > Signed-off-by: Jason Wang <jasowang@redhat.com>
Applied, thanks Jason.
| |