On Thu, Jul 21, 2016 at 11:26:50PM +0200, Thomas Monjalon wrote: > > > Consumer queue dequeuing must be guaranteed to be done fully before the > > > tail is updated. This is not guaranteed with a read barrier, > > > changed to a write barrier just before tail update which in practice > > > guarantees correct order of reads and writes. > > > > > > Signed-off-by: Juhamatti Kuusisaari <juhamatti.kuusisaari at coriant.com> > > > > Acked-by: Konstantin Ananyev <konstantin.ananyev at intel.com> > > Applied, thanks
There was ongoing discussion on this http://dpdk.org/ml/archives/dev/2016-July/044168.html This change may not be required as it has the performance impact.