> -----Original Message----- > From: Matan Azrad [mailto:ma...@mellanox.com] > Sent: Thursday, January 18, 2018 4:35 PM > To: Thomas Monjalon <tho...@monjalon.net>; Gaetan Rivet > <gaetan.ri...@6wind.com>; Wu, Jingjing <jingjing...@intel.com> > Cc: dev@dpdk.org; Neil Horman <nhor...@tuxdriver.com>; Richardson, Bruce > <bruce.richard...@intel.com>; Ananyev, Konstantin > <konstantin.anan...@intel.com> > Subject: [PATCH v3 4/7] ethdev: synchronize port allocation > > Ethernet port allocation was not thread safe, means 2 threads which tried > to allocate a new port at the same time might get an identical port > identifier and caused to memory overwrite. > Actually, all the port configurations were not thread safe from ethdev > point of view. > > The port ownership mechanism added to the ethdev is a good point to > redefine the synchronization rules in ethdev: > > 1. The port allocation and port release synchronization will be > managed by ethdev. > 2. The port usage synchronization will be managed by the port owner. > 3. The port ownership synchronization will be managed by ethdev. > > Add port allocation synchronization to complete the new rules. > > Signed-off-by: Matan Azrad <ma...@mellanox.com> > ---
Acked-by: Konstantin Ananyev <konstantin.anan...@intel.com>
