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[
    {
        "id": 115545,
        "web_url": "https://patches.dpdk.org/comment/115545/",
        "msgid": "<4650182.64zhJK4i9u@thomas>",
        "date": "2020-07-08T15:01:36",
        "subject": "Re: [dpdk-dev] [PATCH v4 1/4] eventdev: fix race condition on timer\n\tlist counter",
        "submitter": {
            "id": 685,
            "url": "https://patches.dpdk.org/api/people/685/",
            "name": "Thomas Monjalon",
            "email": "thomas@monjalon.net"
        },
        "content": "08/07/2020 15:30, Jerin Jacob:\n> On Tue, Jul 7, 2020 at 9:25 PM Phil Yang <phil.yang@arm.com> wrote:\n> >\n> > The n_poll_lcores counter and poll_lcore array are shared between lcores\n> > and the update of these variables are out of the protection of spinlock\n> > on each lcore timer list. The read-modify-write operations of the counter\n> > are not atomic, so it has the potential of race condition between lcores.\n> >\n> > Use c11 atomics with RELAXED ordering to prevent confliction.\n> >\n> > Fixes: cc7b73ea9e3b (\"eventdev: add new software timer adapter\")\n> > Cc: erik.g.carrillo@intel.com\n> > Cc: stable@dpdk.org\n> >\n> > Signed-off-by: Phil Yang <phil.yang@arm.com>\n> > Reviewed-by: Dharmik Thakkar <dharmik.thakkar@arm.com>\n> > Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>\n> > Acked-by: Erik Gabriel Carrillo <erik.g.carrillo@intel.com>\n> \n> Hi Thomas,\n> \n> The latest version does not have ABI breakage issue.\n> \n> I have added the ABI verifier in my local patch verification setup.\n> \n> Series applied to dpdk-next-eventdev/master.\n> \n> Please pull this series from dpdk-next-eventdev/master. Thanks.\n> \n> I am marking this patch series as \"Awaiting Upstream\" in patchwork\n> status to reflect the actual status.\n\nOK, pulled and marked as Accepted in patchwork.",
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            "References": "<1594120403-17643-1-git-send-email-phil.yang@arm.com>\n <1594137293-22468-1-git-send-email-phil.yang@arm.com>\n <CALBAE1Psj3WKdMnudJUfF=5yZsFfZAhjknfuy3DGhuawwmabZg@mail.gmail.com>",
            "Subject": "Re: [dpdk-dev] [PATCH v4 1/4] eventdev: fix race condition on timer\n\tlist counter",
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            ],
            "Message-ID": "<4650182.64zhJK4i9u@thomas>",
            "Date": "Wed, 08 Jul 2020 17:01:36 +0200",
            "Content-Transfer-Encoding": "7Bit",
            "To": "Phil Yang <phil.yang@arm.com>, Jerin Jacob <jerinj@marvell.com>",
            "From": "Thomas Monjalon <thomas@monjalon.net>",
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            "Cc": "dev@dpdk.org, Erik Gabriel Carrillo <erik.g.carrillo@intel.com>,\n Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>,\n David Christensen <drc@linux.vnet.ibm.com>,\n \"Ruifeng Wang (Arm Technology China)\" <Ruifeng.Wang@arm.com>,\n Dharmik Thakkar <Dharmik.Thakkar@arm.com>, nd <nd@arm.com>,\n David Marchand <david.marchand@redhat.com>, Ray Kinsella <mdr@ashroe.eu>,\n Neil Horman <nhorman@tuxdriver.com>, dodji@redhat.com,\n dpdk stable <stable@dpdk.org>, Jerin Jacob <jerinjacobk@gmail.com>",
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    },
    {
        "id": 115521,
        "web_url": "https://patches.dpdk.org/comment/115521/",
        "msgid": "<CALBAE1Psj3WKdMnudJUfF=5yZsFfZAhjknfuy3DGhuawwmabZg@mail.gmail.com>",
        "date": "2020-07-08T13:30:51",
        "subject": "Re: [dpdk-dev] [PATCH v4 1/4] eventdev: fix race condition on timer\n list counter",
        "submitter": {
            "id": 1270,
            "url": "https://patches.dpdk.org/api/people/1270/",
            "name": "Jerin Jacob",
            "email": "jerinjacobk@gmail.com"
        },
        "content": "On Tue, Jul 7, 2020 at 9:25 PM Phil Yang <phil.yang@arm.com> wrote:\n>\n> The n_poll_lcores counter and poll_lcore array are shared between lcores\n> and the update of these variables are out of the protection of spinlock\n> on each lcore timer list. The read-modify-write operations of the counter\n> are not atomic, so it has the potential of race condition between lcores.\n>\n> Use c11 atomics with RELAXED ordering to prevent confliction.\n>\n> Fixes: cc7b73ea9e3b (\"eventdev: add new software timer adapter\")\n> Cc: erik.g.carrillo@intel.com\n> Cc: stable@dpdk.org\n>\n> Signed-off-by: Phil Yang <phil.yang@arm.com>\n> Reviewed-by: Dharmik Thakkar <dharmik.thakkar@arm.com>\n> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>\n> Acked-by: Erik Gabriel Carrillo <erik.g.carrillo@intel.com>\n\nHi Thomas,\n\nThe latest version does not have ABI breakage issue.\n\nI have added the ABI verifier in my local patch verification setup.\n\nSeries applied to dpdk-next-eventdev/master.\n\nPlease pull this series from dpdk-next-eventdev/master. Thanks.\n\nI am marking this patch series as \"Awaiting Upstream\" in patchwork\nstatus to reflect the actual status.",
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            "References": "<1594120403-17643-1-git-send-email-phil.yang@arm.com>\n <1594137293-22468-1-git-send-email-phil.yang@arm.com>",
            "Subject": "Re: [dpdk-dev] [PATCH v4 1/4] eventdev: fix race condition on timer\n list counter",
            "Content-Type": "text/plain; charset=\"UTF-8\"",
            "From": "Jerin Jacob <jerinjacobk@gmail.com>",
            "Received": [
                "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id E7E4EA0526;\n\tWed,  8 Jul 2020 15:31:11 +0200 (CEST)",
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            "Message-ID": "\n <CALBAE1Psj3WKdMnudJUfF=5yZsFfZAhjknfuy3DGhuawwmabZg@mail.gmail.com>",
            "Date": "Wed, 8 Jul 2020 19:00:51 +0530",
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            "To": "Phil Yang <phil.yang@arm.com>",
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            "Cc": "Jerin Jacob <jerinj@marvell.com>, dpdk-dev <dev@dpdk.org>,\n Thomas Monjalon <thomas@monjalon.net>,\n Erik Gabriel Carrillo <erik.g.carrillo@intel.com>,\n Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>,\n David Christensen <drc@linux.vnet.ibm.com>,\n \"Ruifeng Wang (Arm Technology China)\" <Ruifeng.Wang@arm.com>,\n Dharmik Thakkar <Dharmik.Thakkar@arm.com>, nd <nd@arm.com>,\n David Marchand <david.marchand@redhat.com>, Ray Kinsella <mdr@ashroe.eu>,\n Neil Horman <nhorman@tuxdriver.com>, dodji@redhat.com,\n dpdk stable <stable@dpdk.org>",
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    }
]