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From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: Jia He <hejianet@gmail.com>
Cc: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>,
	"Zhao, Bing" <ilovethull@163.com>,
	Olivier MATZ <olivier.matz@6wind.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"jia.he@hxt-semitech.com" <jia.he@hxt-semitech.com>,
	"jie2.liu@hxt-semitech.com" <jie2.liu@hxt-semitech.com>,
	"bing.zhao@hxt-semitech.com" <bing.zhao@hxt-semitech.com>,
	"Richardson, Bruce" <bruce.richardson@intel.com>,
	jianbo.liu@arm.com, hemant.agrawal@nxp.com
Subject: Re: [dpdk-dev] [PATCH] ring: guarantee ordering of cons/prod loading when doing enqueue/dequeue
Date: Thu, 2 Nov 2017 00:40:18 +0530	[thread overview]
Message-ID: <20171101191017.GB21407@jerin> (raw)
In-Reply-To: <f0f704f8-0913-a97c-abdb-26b62234db08@gmail.com>

-----Original Message-----
> Date: Wed, 1 Nov 2017 12:48:31 +0800
> From: Jia He <hejianet@gmail.com>
> To: Jerin Jacob <jerin.jacob@caviumnetworks.com>
> Cc: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>, "Zhao, Bing"
>  <ilovethull@163.com>, Olivier MATZ <olivier.matz@6wind.com>,
>  "dev@dpdk.org" <dev@dpdk.org>, "jia.he@hxt-semitech.com"
>  <jia.he@hxt-semitech.com>, "jie2.liu@hxt-semitech.com"
>  <jie2.liu@hxt-semitech.com>, "bing.zhao@hxt-semitech.com"
>  <bing.zhao@hxt-semitech.com>, "Richardson, Bruce"
>  <bruce.richardson@intel.com>, jianbo.liu@arm.com, hemant.agrawal@nxp.com
> Subject: Re: [dpdk-dev] [PATCH] ring: guarantee ordering of cons/prod
>  loading when doing enqueue/dequeue
> User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101
>  Thunderbird/52.4.0
> 
> Hi Jerin
> 
> 
> On 10/31/2017 7:14 PM, Jerin Jacob Wrote:
> > -----Original Message-----
> > > Date: Tue, 31 Oct 2017 10:55:15 +0800
> > > From: Jia He <hejianet@gmail.com>
> > > To: Jerin Jacob <jerin.jacob@caviumnetworks.com>
> > > Cc: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>, "Zhao, Bing"
> > >   <ilovethull@163.com>, Olivier MATZ <olivier.matz@6wind.com>,
> > >   "dev@dpdk.org" <dev@dpdk.org>, "jia.he@hxt-semitech.com"
> > >   <jia.he@hxt-semitech.com>, "jie2.liu@hxt-semitech.com"
> > >   <jie2.liu@hxt-semitech.com>, "bing.zhao@hxt-semitech.com"
> > >   <bing.zhao@hxt-semitech.com>, "Richardson, Bruce"
> > >   <bruce.richardson@intel.com>
> > > Subject: Re: [dpdk-dev] [PATCH] ring: guarantee ordering of cons/prod
> > >   loading when doing enqueue/dequeue
> > > User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101
> > >   Thunderbird/52.4.0
> > > 
> > > Hi Jerin
> > Hi Jia,
> > 
> > > Do you think  next step whether I need to implement the load_acquire half
> > > barrier as per freebsd
> > I did a quick prototype using C11 memory model(ACQUIRE/RELEASE) schematics
> > and tested on two arm64 platform in Cavium(Platform A: Non arm64 OOO machine)
> > and Platform B: arm64 OOO machine)
> Can you elaborate anything about your Non arm64 OOO machine? As I know, all
> arm64 server is strong
> memory order. Am I missed anything?

It is implementation defined. The low end arm64 boxes(non server) may not have the
complete OOO support.

  reply	other threads:[~2017-11-01 19:10 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-10  9:56 Jia He
2017-10-12 15:53 ` Olivier MATZ
2017-10-12 16:15   ` Stephen Hemminger
2017-10-12 17:05   ` Ananyev, Konstantin
2017-10-12 17:23     ` Jerin Jacob
2017-10-13  1:02       ` Jia He
2017-10-13  1:15         ` Jia He
2017-10-13  1:16         ` Jia He
2017-10-13  1:49           ` Jerin Jacob
2017-10-13  3:23             ` Jia He
2017-10-13  5:57               ` Zhao, Bing
2017-10-13  7:33             ` Jianbo Liu
2017-10-13  8:20               ` Jia He
2017-10-19 10:02           ` Ananyev, Konstantin
2017-10-19 11:18             ` Zhao, Bing
2017-10-19 14:15               ` Ananyev, Konstantin
2017-10-19 20:02                 ` Ananyev, Konstantin
2017-10-20  1:57                   ` Jia He
2017-10-20  5:43                     ` Jerin Jacob
2017-10-23  8:49                       ` Jia He
2017-10-23  9:05                         ` Kuusisaari, Juhamatti
2017-10-23  9:10                           ` Bruce Richardson
2017-10-23 10:06                         ` Jerin Jacob
2017-10-24  2:04                           ` Jia He
2017-10-25 13:26                             ` Jerin Jacob
2017-10-26  2:27                               ` Jia He
2017-10-31  2:55                               ` Jia He
2017-10-31 11:14                                 ` Jerin Jacob
2017-11-01  2:53                                   ` Jia He
2017-11-01 19:04                                     ` Jerin Jacob
2017-11-02  1:09                                       ` Jia He
2017-11-02  8:57                                       ` Jia He
2017-11-03  2:55                                         ` Jia He
2017-11-03 12:47                                           ` Jerin Jacob
2017-11-01  4:48                                   ` Jia He
2017-11-01 19:10                                     ` Jerin Jacob [this message]
2017-10-20  7:03                     ` Ananyev, Konstantin
2017-10-13  0:24     ` Liu, Jie2
2017-10-13  2:12       ` Zhao, Bing
2017-10-13  2:34         ` Jerin Jacob
2017-10-16 10:51       ` Kuusisaari, Juhamatti

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