From: Jason Wang <[email protected]> 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 <[email protected]> > Cc: Michael S. Tsirkin <[email protected]> > Cc: Neil Horman <[email protected]> > Cc: Jeremy Eder <[email protected]> > Cc: Marko Myllynen <[email protected]> > Cc: Maxime Coquelin <[email protected]> > Signed-off-by: Jason Wang <[email protected]> Applied, thanks Jason.
