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[
    {
        "id": 336,
        "web_url": "https://patches.dpdk.org/comment/336/",
        "msgid": "<20140811144521.21058e5b@haswell.linuxnetplumber.net>",
        "date": "2014-08-11T21:45:21",
        "subject": "Re: [dpdk-dev] [RFC PATCH 01/14] mbuf: rename\n\tRTE_MBUF_SCATTER_GATHER into RTE_MBUF_REFCNT",
        "submitter": {
            "id": 27,
            "url": "https://patches.dpdk.org/api/people/27/",
            "name": "Stephen Hemminger",
            "email": "stephen@networkplumber.org"
        },
        "content": "On Mon, 11 Aug 2014 21:44:37 +0100\nBruce Richardson <bruce.richardson@intel.com> wrote:\n\n> From: Olivier Matz <olivier.matz@6wind.com>\n> \n> It seems that RTE_MBUF_SCATTER_GATHER is not the proper name for the\n> feature it provides. \"Scatter gather\" means that data is stored using\n> several buffers. RTE_MBUF_REFCNT seems to be a better name for that\n> feature as it provides a reference counter for mbufs.\n> \n> The macro RTE_MBUF_SCATTER_GATHER is poisoned to ensure this\n> modification is seen by drivers or applications using it.\n> \n> Signed-off-by: Olivier Matz <olivier.matz@6wind.com>\n> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>\n\nAcked-by: Stephen Hemminger <stephen@networkplumber.org>",
        "headers": {
            "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
            "Cc": "dev@dpdk.org",
            "Date": "Mon, 11 Aug 2014 14:45:21 -0700",
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            "References": "<1407789890-17355-1-git-send-email-bruce.richardson@intel.com>\n\t<1407789890-17355-2-git-send-email-bruce.richardson@intel.com>",
            "In-Reply-To": "<1407789890-17355-2-git-send-email-bruce.richardson@intel.com>",
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            "Content-Type": "text/plain; charset=US-ASCII",
            "To": "Bruce Richardson <bruce.richardson@intel.com>",
            "MIME-Version": "1.0",
            "Received": [
                "from mail-pd0-f169.google.com (mail-pd0-f169.google.com\n\t[209.85.192.169]) by dpdk.org (Postfix) with ESMTP id 54D2FB39D\n\tfor <dev@dpdk.org>; Mon, 11 Aug 2014 23:42:33 +0200 (CEST)",
                "by mail-pd0-f169.google.com with SMTP id y10so11520987pdj.0\n\tfor <dev@dpdk.org>; Mon, 11 Aug 2014 14:45:24 -0700 (PDT)",
                "from haswell.linuxnetplumber.net\n\t(static-50-53-65-80.bvtn.or.frontiernet.net. [50.53.65.80])\n\tby mx.google.com with ESMTPSA id\n\twd7sm5757089pab.47.2014.08.11.14.45.24 for <multiple recipients>\n\t(version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);\n\tMon, 11 Aug 2014 14:45:24 -0700 (PDT)"
            ],
            "From": "Stephen Hemminger <stephen@networkplumber.org>",
            "Message-ID": "<20140811144521.21058e5b@haswell.linuxnetplumber.net>",
            "Content-Transfer-Encoding": "7bit",
            "Subject": "Re: [dpdk-dev] [RFC PATCH 01/14] mbuf: rename\n\tRTE_MBUF_SCATTER_GATHER into RTE_MBUF_REFCNT",
            "List-Archive": "<http://dpdk.org/ml/archives/dev/>",
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    },
    {
        "id": 347,
        "web_url": "https://patches.dpdk.org/comment/347/",
        "msgid": "<53E9C96F.6050904@6wind.com>",
        "date": "2014-08-12T07:59:43",
        "subject": "Re: [dpdk-dev] [RFC PATCH 01/14] mbuf: rename\n\tRTE_MBUF_SCATTER_GATHER into RTE_MBUF_REFCNT",
        "submitter": {
            "id": 8,
            "url": "https://patches.dpdk.org/api/people/8/",
            "name": "Olivier Matz",
            "email": "olivier.matz@6wind.com"
        },
        "content": "Hi Bruce,\n\nOn 08/11/2014 11:45 PM, Stephen Hemminger wrote:\n> On Mon, 11 Aug 2014 21:44:37 +0100\n> Bruce Richardson <bruce.richardson@intel.com> wrote:\n>\n>> From: Olivier Matz <olivier.matz@6wind.com>\n>>\n>> It seems that RTE_MBUF_SCATTER_GATHER is not the proper name for the\n>> feature it provides. \"Scatter gather\" means that data is stored using\n>> several buffers. RTE_MBUF_REFCNT seems to be a better name for that\n>> feature as it provides a reference counter for mbufs.\n>>\n>> The macro RTE_MBUF_SCATTER_GATHER is poisoned to ensure this\n>> modification is seen by drivers or applications using it.\n>>\n>> Signed-off-by: Olivier Matz <olivier.matz@6wind.com>\n>> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>\n\nAfter applying this first patch, I still get references to\n\"scatter gather\":\n\n$ git grep RTE_MBUF_SCATTER_GATHER\nexamples/Makefile:DIRS-$(CONFIG_RTE_MBUF_SCATTER_GATHER) += ip_fragmentation\nexamples/Makefile:DIRS-$(CONFIG_RTE_MBUF_SCATTER_GATHER) += ipv4_multicast\nexamples/ip_fragmentation/Makefile:ifneq \n($(CONFIG_RTE_MBUF_SCATTER_GATHER),y)\nexamples/ip_fragmentation/Makefile:$(error This application requires \nRTE_MBUF_SCATTER_GATHER to be enabled)\nexamples/ip_pipeline/Makefile:ifeq ($(CONFIG_RTE_MBUF_SCATTER_GATHER),y)\nlib/librte_mbuf/rte_mbuf.h:#pragma GCC poison RTE_MBUF_SCATTER_GATHER\nlib/librte_port/Makefile:ifeq ($(CONFIG_RTE_MBUF_SCATTER_GATHER),y)\nlib/librte_port/Makefile:ifeq ($(CONFIG_RTE_MBUF_SCATTER_GATHER),y)\n\nOlivier",
        "headers": {
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            "Cc": "dev@dpdk.org",
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            "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
            "Date": "Tue, 12 Aug 2014 09:59:43 +0200",
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            "References": "<1407789890-17355-1-git-send-email-bruce.richardson@intel.com>\n\t<1407789890-17355-2-git-send-email-bruce.richardson@intel.com>\n\t<20140811144521.21058e5b@haswell.linuxnetplumber.net>",
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            "Content-Type": "text/plain; charset=ISO-8859-1; format=flowed",
            "To": "Bruce Richardson <bruce.richardson@intel.com>",
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                "from mail-wi0-f169.google.com (mail-wi0-f169.google.com\n\t[209.85.212.169]) by dpdk.org (Postfix) with ESMTP id 9B8A7B39D\n\tfor <dev@dpdk.org>; Tue, 12 Aug 2014 09:56:51 +0200 (CEST)",
                "by mail-wi0-f169.google.com with SMTP id n3so6612430wiv.0\n\tfor <dev@dpdk.org>; Tue, 12 Aug 2014 00:59:46 -0700 (PDT)",
                "from [10.16.0.195] (guy78-3-82-239-227-177.fbx.proxad.net.\n\t[82.239.227.177]) by mx.google.com with ESMTPSA id\n\tgi5sm7425968wjd.33.2014.08.12.00.59.44 for <multiple recipients>\n\t(version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128);\n\tTue, 12 Aug 2014 00:59:45 -0700 (PDT)"
            ],
            "From": "Olivier MATZ <olivier.matz@6wind.com>",
            "Message-ID": "<53E9C96F.6050904@6wind.com>",
            "Content-Transfer-Encoding": "7bit",
            "Subject": "Re: [dpdk-dev] [RFC PATCH 01/14] mbuf: rename\n\tRTE_MBUF_SCATTER_GATHER into RTE_MBUF_REFCNT",
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    },
    {
        "id": 356,
        "web_url": "https://patches.dpdk.org/comment/356/",
        "msgid": "<59AF69C657FD0841A61C55336867B5B0343D8C21@IRSMSX103.ger.corp.intel.com>",
        "date": "2014-08-12T16:25:18",
        "subject": "Re: [dpdk-dev] [RFC PATCH 01/14] mbuf: rename\n\tRTE_MBUF_SCATTER_GATHER into RTE_MBUF_REFCNT",
        "submitter": {
            "id": 20,
            "url": "https://patches.dpdk.org/api/people/20/",
            "name": "Bruce Richardson",
            "email": "bruce.richardson@intel.com"
        },
        "content": "Ok, thanks, I'll see about fixing those.\nI see a number of comments about the format and structure of the patch set itself. I'll take those all on board, but I'll admit that I didn't rework the patchset much before submitting it as an RFC. I'm leaving that until I've finished on this and ready to start submitting non-RFC patchset for merge. Right now my primary concern is whether the reworked struct rte_mbuf has everything we need, and whether there are any performance regressions we need to fix due to the second cache line. \n\nRegards,\n/Bruce\n\n> -----Original Message-----\n> From: Olivier MATZ [mailto:olivier.matz@6wind.com]\n> Sent: Tuesday, August 12, 2014 1:00 AM\n> To: Richardson, Bruce\n> Cc: Stephen Hemminger; dev@dpdk.org\n> Subject: Re: [dpdk-dev] [RFC PATCH 01/14] mbuf: rename\n> RTE_MBUF_SCATTER_GATHER into RTE_MBUF_REFCNT\n> \n> Hi Bruce,\n> \n> On 08/11/2014 11:45 PM, Stephen Hemminger wrote:\n> > On Mon, 11 Aug 2014 21:44:37 +0100\n> > Bruce Richardson <bruce.richardson@intel.com> wrote:\n> >\n> >> From: Olivier Matz <olivier.matz@6wind.com>\n> >>\n> >> It seems that RTE_MBUF_SCATTER_GATHER is not the proper name for the\n> >> feature it provides. \"Scatter gather\" means that data is stored using\n> >> several buffers. RTE_MBUF_REFCNT seems to be a better name for that\n> >> feature as it provides a reference counter for mbufs.\n> >>\n> >> The macro RTE_MBUF_SCATTER_GATHER is poisoned to ensure this\n> >> modification is seen by drivers or applications using it.\n> >>\n> >> Signed-off-by: Olivier Matz <olivier.matz@6wind.com>\n> >> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>\n> \n> After applying this first patch, I still get references to\n> \"scatter gather\":\n> \n> $ git grep RTE_MBUF_SCATTER_GATHER\n> examples/Makefile:DIRS-$(CONFIG_RTE_MBUF_SCATTER_GATHER) +=\n> ip_fragmentation\n> examples/Makefile:DIRS-$(CONFIG_RTE_MBUF_SCATTER_GATHER) +=\n> ipv4_multicast\n> examples/ip_fragmentation/Makefile:ifneq\n> ($(CONFIG_RTE_MBUF_SCATTER_GATHER),y)\n> examples/ip_fragmentation/Makefile:$(error This application requires\n> RTE_MBUF_SCATTER_GATHER to be enabled)\n> examples/ip_pipeline/Makefile:ifeq\n> ($(CONFIG_RTE_MBUF_SCATTER_GATHER),y)\n> lib/librte_mbuf/rte_mbuf.h:#pragma GCC poison RTE_MBUF_SCATTER_GATHER\n> lib/librte_port/Makefile:ifeq ($(CONFIG_RTE_MBUF_SCATTER_GATHER),y)\n> lib/librte_port/Makefile:ifeq ($(CONFIG_RTE_MBUF_SCATTER_GATHER),y)\n> \n> Olivier",
        "headers": {
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            "Date": "Tue, 12 Aug 2014 16:25:18 +0000",
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                "from mga02.intel.com (mga02.intel.com [134.134.136.20])\n\tby dpdk.org (Postfix) with ESMTP id 6E84FB3BC\n\tfor <dev@dpdk.org>; Tue, 12 Aug 2014 18:22:26 +0200 (CEST)",
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            ],
            "From": "\"Richardson, Bruce\" <bruce.richardson@intel.com>",
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            "Content-Transfer-Encoding": "quoted-printable",
            "Subject": "Re: [dpdk-dev] [RFC PATCH 01/14] mbuf: rename\n\tRTE_MBUF_SCATTER_GATHER into RTE_MBUF_REFCNT",
            "List-Archive": "<http://dpdk.org/ml/archives/dev/>",
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            "To": "Olivier MATZ <olivier.matz@6wind.com>",
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            "Thread-Topic": "[dpdk-dev] [RFC PATCH 01/14] mbuf: rename\n\tRTE_MBUF_SCATTER_GATHER into RTE_MBUF_REFCNT",
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]