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{
    "id": 41845,
    "url": "http://patches.dpdk.org/api/patches/41845/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1530191753-18689-5-git-send-email-rk@semihalf.com/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/?format=api",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
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    "msgid": "<1530191753-18689-5-git-send-email-rk@semihalf.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1530191753-18689-5-git-send-email-rk@semihalf.com",
    "date": "2018-06-28T13:15:53",
    "name": "[v2,4/4] net/ena: enable WC",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "dfd45eb960a219af4d09b5e64712c4452af4cd43",
    "submitter": {
        "id": 951,
        "url": "http://patches.dpdk.org/api/people/951/?format=api",
        "name": "Rafal Kozik",
        "email": "rk@semihalf.com"
    },
    "delegate": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/users/1/?format=api",
        "username": "tmonjalo",
        "first_name": "Thomas",
        "last_name": "Monjalon",
        "email": "thomas@monjalon.net"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/1530191753-18689-5-git-send-email-rk@semihalf.com/mbox/",
    "series": [
        {
            "id": 293,
            "url": "http://patches.dpdk.org/api/series/293/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=293",
            "date": "2018-06-28T13:15:49",
            "name": "support for write combining",
            "version": 2,
            "mbox": "http://patches.dpdk.org/series/293/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/41845/comments/",
    "check": "success",
    "checks": "http://patches.dpdk.org/api/patches/41845/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
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        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 4EFFD1B3BA;\n\tThu, 28 Jun 2018 15:16:21 +0200 (CEST)",
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        "X-Received": "by 2002:a19:cf95:: with SMTP id\n\tf143-v6mr6823207lfg.101.1530191776868; \n\tThu, 28 Jun 2018 06:16:16 -0700 (PDT)",
        "From": "Rafal Kozik <rk@semihalf.com>",
        "To": "dev@dpdk.org",
        "Cc": "mw@semihalf.com, mk@semihalf.com, gtzalik@amazon.com, evgenys@amazon.com,\n\tmatua@amazon.com, igorch@amazon.com, thomas@monjalon.net,\n\tferruh.yigit@intel.com, Rafal Kozik <rk@semihalf.com>",
        "Date": "Thu, 28 Jun 2018 15:15:53 +0200",
        "Message-Id": "<1530191753-18689-5-git-send-email-rk@semihalf.com>",
        "X-Mailer": "git-send-email 2.7.4",
        "In-Reply-To": "<1530191753-18689-1-git-send-email-rk@semihalf.com>",
        "References": "<CAMG3L49v=nNc9RNweJn4WCpuKeNfCk18o-xv2vq29AUo5CKc=g@mail.gmail.com>\n\t<1530191753-18689-1-git-send-email-rk@semihalf.com>",
        "Subject": "[dpdk-dev] [PATCH v2 4/4] net/ena: enable WC",
        "X-BeenThere": "dev@dpdk.org",
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        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
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        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "Write combining (WC) increases NIC performance by making better\nutilization of PCI bus. ENA PMD may make usage of this feature.\n\nTo enable it load igb_uio driver with wc_activate set to 1.\n\nSigned-off-by: Rafal Kozik <rk@semihalf.com>\nAcked-by: Bruce Richardson <bruce.richardson@intel.com>\n---\n drivers/net/ena/ena_ethdev.c | 3 ++-\n 1 file changed, 2 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c\nindex 9ae73e3..1870edf 100644\n--- a/drivers/net/ena/ena_ethdev.c\n+++ b/drivers/net/ena/ena_ethdev.c\n@@ -2210,7 +2210,8 @@ static int eth_ena_pci_remove(struct rte_pci_device *pci_dev)\n \n static struct rte_pci_driver rte_ena_pmd = {\n \t.id_table = pci_id_ena_map,\n-\t.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,\n+\t.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |\n+\t\t     RTE_PCI_DRV_WC_ACTIVATE,\n \t.probe = eth_ena_pci_probe,\n \t.remove = eth_ena_pci_remove,\n };\n",
    "prefixes": [
        "v2",
        "4/4"
    ]
}