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{
    "id": 810792,
    "url": "http://patchwork.ozlabs.org/api/patches/810792/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/netdev/patch/20170906205306.10541-3-sthemmin@microsoft.com/",
    "project": {
        "id": 7,
        "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api",
        "name": "Linux network development",
        "link_name": "netdev",
        "list_id": "netdev.vger.kernel.org",
        "list_email": "netdev@vger.kernel.org",
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    "msgid": "<20170906205306.10541-3-sthemmin@microsoft.com>",
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    "date": "2017-09-06T20:53:06",
    "name": "[v2,net-next,2/2] hv_netvsc: avoid unnecessary wakeups on subchannel creation",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "8a2faae788b987c9a9d7e5fbbeafa26d9eed0a55",
    "submitter": {
        "id": 21389,
        "url": "http://patchwork.ozlabs.org/api/people/21389/?format=api",
        "name": "Stephen Hemminger",
        "email": "stephen@networkplumber.org"
    },
    "delegate": {
        "id": 34,
        "url": "http://patchwork.ozlabs.org/api/users/34/?format=api",
        "username": "davem",
        "first_name": "David",
        "last_name": "Miller",
        "email": "davem@davemloft.net"
    },
    "mbox": "http://patchwork.ozlabs.org/project/netdev/patch/20170906205306.10541-3-sthemmin@microsoft.com/mbox/",
    "series": [
        {
            "id": 1878,
            "url": "http://patchwork.ozlabs.org/api/series/1878/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=1878",
            "date": "2017-09-06T20:53:06",
            "name": "hv_netvsc: sub channel initialization fixes",
            "version": 2,
            "mbox": "http://patchwork.ozlabs.org/series/1878/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/810792/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/810792/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "X-Received": "by 10.98.217.133 with SMTP id b5mr405591pfl.227.1504731197878;\n\tWed, 06 Sep 2017 13:53:17 -0700 (PDT)",
        "From": "Stephen Hemminger <stephen@networkplumber.org>",
        "X-Google-Original-From": "Stephen Hemminger <sthemmin@microsoft.com>",
        "To": "kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com",
        "Cc": "devel@linuxdriverproject.org, netdev@vger.kernel.org",
        "Subject": "[PATCH v2 net-next 2/2] hv_netvsc: avoid unnecessary wakeups on\n\tsubchannel creation",
        "Date": "Wed,  6 Sep 2017 13:53:06 -0700",
        "Message-Id": "<20170906205306.10541-3-sthemmin@microsoft.com>",
        "X-Mailer": "git-send-email 2.11.0",
        "In-Reply-To": "<20170906205306.10541-1-sthemmin@microsoft.com>",
        "References": "<20170906205306.10541-1-sthemmin@microsoft.com>",
        "Sender": "netdev-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<netdev.vger.kernel.org>",
        "X-Mailing-List": "netdev@vger.kernel.org"
    },
    "content": "Only need to wakeup the initiator after all sub-channels\nare opened.\n\nSigned-off-by: Stephen Hemminger <sthemmin@microsoft.com>\n---\n drivers/net/hyperv/rndis_filter.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c\nindex 731bc7cc6f43..065b204d8e17 100644\n--- a/drivers/net/hyperv/rndis_filter.c\n+++ b/drivers/net/hyperv/rndis_filter.c\n@@ -1048,8 +1048,8 @@ static void netvsc_sc_open(struct vmbus_channel *new_sc)\n \telse\n \t\tnetdev_notice(ndev, \"sub channel open failed: %d\\n\", ret);\n \n-\tatomic_inc(&nvscdev->open_chn);\n-\twake_up(&nvscdev->subchan_open);\n+\tif (atomic_inc_return(&nvscdev->open_chn) == nvscdev->num_chn)\n+\t\twake_up(&nvscdev->subchan_open);\n }\n \n /* Open sub-channels after completing the handling of the device probe.\n",
    "prefixes": [
        "v2",
        "net-next",
        "2/2"
    ]
}