From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: "Van Haaren, Harry" <harry.van.haaren@intel.com>
Cc: "Ma, Liang J" <liang.j.ma@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>,
"Jain, Deepak K" <deepak.k.jain@intel.com>,
"Geary, John" <john.geary@intel.com>,
"Mccarthy, Peter" <peter.mccarthy@intel.com>
Subject: Re: [PATCH v2] event/opdl: fix atomic queue race condition issue
Date: Mon, 2 Apr 2018 09:39:31 +0530 [thread overview]
Message-ID: <20180402040930.GA21996@jerin> (raw)
In-Reply-To: <E923DB57A917B54B9182A2E928D00FA65E0190A5@IRSMSX101.ger.corp.intel.com>
-----Original Message-----
> Date: Thu, 29 Mar 2018 14:48:26 +0000
> From: "Van Haaren, Harry" <harry.van.haaren@intel.com>
> To: "Ma, Liang J" <liang.j.ma@intel.com>, "jerin.jacob@caviumnetworks.com"
> <jerin.jacob@caviumnetworks.com>
> CC: "dev@dpdk.org" <dev@dpdk.org>, "Jain, Deepak K"
> <deepak.k.jain@intel.com>, "Geary, John" <john.geary@intel.com>,
> "Mccarthy, Peter" <peter.mccarthy@intel.com>
> Subject: RE: [PATCH v2] event/opdl: fix atomic queue race condition issue
>
> > From: Ma, Liang J
> > Sent: Tuesday, March 27, 2018 3:18 PM
> > To: jerin.jacob@caviumnetworks.com
> > Cc: dev@dpdk.org; Van Haaren, Harry <harry.van.haaren@intel.com>; Jain,
> > Deepak K <deepak.k.jain@intel.com>; Geary, John <john.geary@intel.com>;
> > Mccarthy, Peter <peter.mccarthy@intel.com>
> > Subject: [PATCH v2] event/opdl: fix atomic queue race condition issue
> >
> > If application link one atomic queue to multiple ports,
> > and each worker core update flow_id, there will have a
> > chance to hit race condition issue and lead to double processing
> > same event. This fix solve the problem and eliminate
> > the race condition issue.
> >
> > Fixes: 4236ce9bf5bf ("event/opdl: add OPDL ring infrastructure library")
> >
> > Signed-off-by: Liang Ma <liang.j.ma@intel.com>
> > Signed-off-by: Peter Mccarthy <peter.mccarthy@intel.com>
>
> Note; compilation flagged as failing on patchwork, but its due to master build broken not this patch.
>
> Acked-by: Harry van Haaren <harry.van.haaren@intel.com>
Cc: stable@dpdk.org
Applied to dpdk-next-eventdev/master. Thanks.
>
prev parent reply other threads:[~2018-04-02 4:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-13 11:34 [PATCH] event/opdl: fix atomic queue race condition issue Liang Ma
2018-03-26 12:29 ` Van Haaren, Harry
2018-03-26 13:32 ` Liang, Ma
2018-03-27 14:18 ` [PATCH v2] " Liang Ma
2018-03-29 14:48 ` Van Haaren, Harry
2018-04-02 4:09 ` Jerin Jacob [this message]
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