From: Jason Wang <jasowang@xxxxxxxxxx> 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@xxxxxxxxxx> > Cc: Michael S. Tsirkin <mst@xxxxxxxxxx> > Cc: Neil Horman <nhorman@xxxxxxxxxx> > Cc: Jeremy Eder <jeder@xxxxxxxxxx> > Cc: Marko Myllynen <myllynen@xxxxxxxxxx> > Cc: Maxime Coquelin <maxime.coquelin@xxxxxxxxxx> > Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx> Applied, thanks Jason. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
