[dpdk-dev] [PATCH] event/octeontx: fix missing enqueue smp barrier

Eads, Gage gage.eads at intel.com
Wed Jun 14 01:06:54 CEST 2017



>  -----Original Message-----
>  From: Jerin Jacob [mailto:jerin.jacob at caviumnetworks.com]
>  Sent: Friday, June 9, 2017 8:16 AM
>  To: dev at dpdk.org
>  Cc: hemant.agrawal at nxp.com; Eads, Gage <gage.eads at intel.com>; Van
>  Haaren, Harry <harry.van.haaren at intel.com>; Jerin Jacob
>  <jerin.jacob at caviumnetworks.com>; stable at 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 at dpdk.org
>  Fixes: f10d322eff76 ("event/octeontx: support worker enqueue")
>  
>  Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>

Acked-by: Gage Eads <gage.eads at intel.com>


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