From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerin Jacob Subject: Re: [PATCH] event/octeontx: fix missing enqueue smp barrier Date: Tue, 20 Jun 2017 19:49:42 +0530 Message-ID: <20170620141941.GG16157@jerin> References: <20170609131603.13483-1-jerin.jacob@caviumnetworks.com> <9184057F7FC11744A2107296B6B8EB1E01ED30AA@FMSMSX108.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "dev@dpdk.org" , "hemant.agrawal@nxp.com" , "Van Haaren, Harry" , "stable@dpdk.org" To: "Eads, Gage" Return-path: Content-Disposition: inline In-Reply-To: <9184057F7FC11744A2107296B6B8EB1E01ED30AA@FMSMSX108.amr.corp.intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" -----Original Message----- > Date: Tue, 13 Jun 2017 23:06:54 +0000 > From: "Eads, Gage" > To: Jerin Jacob , "dev@dpdk.org" > > CC: "hemant.agrawal@nxp.com" , "Van Haaren, Harry" > , "stable@dpdk.org" > Subject: RE: [dpdk-dev] [PATCH] event/octeontx: fix missing enqueue smp > barrier > > > > > -----Original Message----- > > From: Jerin Jacob [mailto:jerin.jacob@caviumnetworks.com] > > Sent: Friday, June 9, 2017 8:16 AM > > To: dev@dpdk.org > > Cc: hemant.agrawal@nxp.com; Eads, Gage ; Van > > Haaren, Harry ; Jerin Jacob > > ; stable@dpdk.org > > Subject: [dpdk-dev] [PATCH] event/octeontx: fix missing enqueue smp barrier > > > > Typically RTE_EVENT_OP_NEW issued by the producer lcore. To reflect the > > write changes issued by the producer lcore on worker lcore, an SMP write > > barrier is required on producer enqueue. Fixing the missing > > rte_smp_wmb() on enqueue with RTE_EVENT_OP_NEW. > > > > CC: stable@dpdk.org > > Fixes: f10d322eff76 ("event/octeontx: support worker enqueue") > > > > Signed-off-by: Jerin Jacob > > Acked-by: Gage Eads Applied to dpdk-next-eventdev/master. Thanks.