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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Jianbo Liu <jianbo.liu@linaro.org>
Cc: dev@dpdk.org, "Yao, Lei A" <lei.a.yao@intel.com>,
	"Zhang, Helin" <helin.zhang@intel.com>,
	"Wu, Jingjing" <jingjing.wu@intel.com>
Subject: Re: [dpdk-dev] [PATCH] i40e: enable i40e pmd on ARM platform
Date: Wed, 03 Aug 2016 09:58:09 +0200	[thread overview]
Message-ID: <3008268.1MMmpoWvzz@xps13> (raw)
In-Reply-To: <CAP4Qi39C0vNSbkOaVapiSGBbt=em7kef9XLP-W3UjDjKMWoTCg@mail.gmail.com>

2016-08-03 14:02, Jianbo Liu:
> I think we can place a compiling condition before rte_rmb() to avoid
> performance decrease on x86.
> For example:  #if defined(RTE_ARCH_ARM) || defined(RTE_ARCH_ARM64)

Please could you explain why a memory barrier would be needed on ARM but
not on x86? What about other architectures?

  reply	other threads:[~2016-08-03  7:58 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-02  6:58 Jianbo Liu
     [not found] ` <82F45D86ADE5454A95A89742C8D1410E0330A4B6@shsmsx102.ccr.corp.intel.com>
2016-08-03  3:26   ` Yao, Lei A
2016-08-03  6:02     ` Jianbo Liu
2016-08-03  7:58       ` Thomas Monjalon [this message]
2016-08-03  9:33         ` Jianbo Liu
2016-08-03  8:29       ` Ananyev, Konstantin
2016-08-03  9:36         ` Jianbo Liu
2016-08-03 10:12 ` [dpdk-dev] [PATCH v2] " Jianbo Liu
2016-08-05  9:06 ` [dpdk-dev] [PATCH v3] " Jianbo Liu
2016-09-23  1:13   ` Zhang, Qi Z
2016-09-27 13:39     ` Bruce Richardson

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