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: [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.
next prev parent 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 [PATCH] ring: guarantee ordering of cons/prod loading when doing enqueue/dequeue 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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