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GET /api/patches/40733/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 40733,
    "url": "http://patchwork.dpdk.org/api/patches/40733/?format=api",
    "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20180607094322.14312-20-mk@semihalf.com/",
    "project": {
        "id": 1,
        "url": "http://patchwork.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",
        "webscm_url": "http://git.dpdk.org/dpdk",
        "list_archive_url": "https://inbox.dpdk.org/dev",
        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<20180607094322.14312-20-mk@semihalf.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20180607094322.14312-20-mk@semihalf.com",
    "date": "2018-06-07T09:43:15",
    "name": "[dpdk-dev,v3,20/27] net/ena: add (un)likely statements",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "79aee465da61d234197e5b77fcde77c16d7be48c",
    "submitter": {
        "id": 786,
        "url": "http://patchwork.dpdk.org/api/people/786/?format=api",
        "name": "Michal Krawczyk",
        "email": "mk@semihalf.com"
    },
    "delegate": {
        "id": 319,
        "url": "http://patchwork.dpdk.org/api/users/319/?format=api",
        "username": "fyigit",
        "first_name": "Ferruh",
        "last_name": "Yigit",
        "email": "ferruh.yigit@amd.com"
    },
    "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/20180607094322.14312-20-mk@semihalf.com/mbox/",
    "series": [
        {
            "id": 26,
            "url": "http://patchwork.dpdk.org/api/series/26/?format=api",
            "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=26",
            "date": "2018-06-07T09:43:00",
            "name": "net/ena: new features and fixes",
            "version": 3,
            "mbox": "http://patchwork.dpdk.org/series/26/mbox/"
        }
    ],
    "comments": "http://patchwork.dpdk.org/api/patches/40733/comments/",
    "check": "fail",
    "checks": "http://patchwork.dpdk.org/api/patches/40733/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
        "Delivered-To": "patchwork@dpdk.org",
        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id DE3C61B412;\n\tThu,  7 Jun 2018 11:44:09 +0200 (CEST)",
            "from mail-lf0-f67.google.com (mail-lf0-f67.google.com\n\t[209.85.215.67]) by dpdk.org (Postfix) with ESMTP id C70611B412\n\tfor <dev@dpdk.org>; Thu,  7 Jun 2018 11:44:07 +0200 (CEST)",
            "by mail-lf0-f67.google.com with SMTP id j13-v6so13639561lfb.13\n\tfor <dev@dpdk.org>; Thu, 07 Jun 2018 02:44:07 -0700 (PDT)",
            "from mkPC.semihalf.local (31-172-191-173.noc.fibertech.net.pl.\n\t[31.172.191.173]) by smtp.gmail.com with ESMTPSA id\n\tp28-v6sm3612368lfh.24.2018.06.07.02.44.04\n\t(version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);\n\tThu, 07 Jun 2018 02:44:05 -0700 (PDT)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=semihalf-com.20150623.gappssmtp.com; s=20150623;\n\th=from:to:cc:subject:date:message-id:in-reply-to:references;\n\tbh=kdkCH7ytM2PLnyKJUz10VN66VjYw0xAVX91cVlg73gY=;\n\tb=ovbKL/Gmkryss7fVDzqZdTKrJWEZs5+S/kQOddpUPvIkFDwTzbRyNE2mqUS/WY8Ucz\n\tF/+r+V2wQfE6Ea22BO/SFOBCItrUYSuj8zCXb8yMbEvKPqc1AF4xZy3x3Xzmjb13zXCt\n\tOltMtFB5rjEm8a8RaVAyXJVpyhZ3EGQfC6WNlXOsAbxUq9qSs3PgnSo95s+pelEDTlS/\n\tx2nyspjfStT0oCsiKegF4q9FIOwVIWeW9bsL1Q4HQOx8OJF28GqtIQineg6E5Weqc39I\n\tBLplTAfeSjGZu0ryVOt7rKVrk6Z+V5yOrE+VDobUVU/Tg207znjZ6tKgtkOtLD3imXoN\n\tbbOw==",
        "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to\n\t:references;\n\tbh=kdkCH7ytM2PLnyKJUz10VN66VjYw0xAVX91cVlg73gY=;\n\tb=bY8e4bszezO/Ws/bjAyfx7qJ5km+g1TKZCZbBMSc+dCZzyeawK9w3rkSTRtwSQRkYk\n\t2SI99FS0QiVMg1ipr7SxqdSynQ2JYzZQiuEkeAmE7QdSciC71eBf2LG+92t/6ICXgxar\n\tnjcVJzpk3hMdv+gvFkcM/xo2BqaFz17X45QwKMRQMs9fm/+phVHJRlY6zWbLYCJAOBir\n\tCnKfrw70RSAbeo+TAj/jJZ9S1eFucFM1dwPoXxv8CaSPjKuNSoNf2Np0TYkKjOr5drTU\n\tuE9di3XxVKiW66q6gOlXOKbG5a4OSziIUuNBpcAPo/n855ZbCYTN7e2LTRTho/CKCA9F\n\t3/uw==",
        "X-Gm-Message-State": "APt69E1K3A28woOBdVMszsa2HNo1KZMCtK8FLY40wqHwtuFWap5IGqul\n\tqO8wZvT4rwsp7mgD3OvUPiAnug==",
        "X-Google-Smtp-Source": "ADUXVKK8l9rzB6tqdDg9fVCNAgma1ntonqunEb5jJb+x2vSEDSIkei6esOZEBys/3MGGMRkKE3dxng==",
        "X-Received": "by 2002:a19:9390:: with SMTP id\n\tw16-v6mr870817lfk.70.1528364647448; \n\tThu, 07 Jun 2018 02:44:07 -0700 (PDT)",
        "From": "Michal Krawczyk <mk@semihalf.com>",
        "To": "Marcin Wojtas <mw@semihalf.com>, Michal Krawczyk <mk@semihalf.com>,\n\tGuy Tzalik <gtzalik@amazon.com>, Evgeny Schemeilin <evgenys@amazon.com>",
        "Cc": "dev@dpdk.org,\n\tmatua@amazon.com,\n\tRafal Kozik <rk@semihalf.com>",
        "Date": "Thu,  7 Jun 2018 11:43:15 +0200",
        "Message-Id": "<20180607094322.14312-20-mk@semihalf.com>",
        "X-Mailer": "git-send-email 2.14.1",
        "In-Reply-To": "<20180607094322.14312-1-mk@semihalf.com>",
        "References": "<20180607094322.14312-1-mk@semihalf.com>",
        "Subject": "[dpdk-dev] [PATCH v3 20/27] net/ena: add (un)likely statements",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://dpdk.org/ml/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<https://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "From: Rafal Kozik <rk@semihalf.com>\n\nAdd likely and unlikely statements to increase performance.\n\nSigned-off-by: Rafal Kozik <rk@semihalf.com>\nAcked-by: Michal Krawczyk <mk@semihalf.com>\n---\n drivers/net/ena/ena_ethdev.c | 8 ++++----\n 1 file changed, 4 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c\nindex 5fbf0e5d5..1425a0496 100644\n--- a/drivers/net/ena/ena_ethdev.c\n+++ b/drivers/net/ena/ena_ethdev.c\n@@ -936,7 +936,7 @@ ena_calc_queue_size(struct ena_com_dev *ena_dev,\n \tif (!rte_is_power_of_2(queue_size))\n \t\tqueue_size = rte_align32pow2(queue_size >> 1);\n \n-\tif (queue_size == 0) {\n+\tif (unlikely(queue_size == 0)) {\n \t\tPMD_INIT_LOG(ERR, \"Invalid queue size\");\n \t\treturn -EFAULT;\n \t}\n@@ -1360,7 +1360,7 @@ static int ena_populate_rx_queue(struct ena_ring *rxq, unsigned int count)\n \t}\n \n \t/* When we submitted free recources to device... */\n-\tif (i > 0) {\n+\tif (likely(i > 0)) {\n \t\t/* ...let HW know that it can fill buffers with data */\n \t\trte_wmb();\n \t\tena_com_write_sq_doorbell(rxq->ena_com_io_sq);\n@@ -1466,7 +1466,7 @@ static void ena_interrupt_handler_rte(void *cb_arg)\n \tstruct ena_com_dev *ena_dev = &adapter->ena_dev;\n \n \tena_com_admin_q_comp_intr_handler(ena_dev);\n-\tif (adapter->state != ENA_ADAPTER_STATE_CLOSED)\n+\tif (likely(adapter->state != ENA_ADAPTER_STATE_CLOSED))\n \t\tena_com_aenq_intr_handler(ena_dev, adapter);\n }\n \n@@ -1856,7 +1856,7 @@ static uint16_t eth_ena_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,\n \t\t\tmbuf->data_off = RTE_PKTMBUF_HEADROOM;\n \t\t\tmbuf->refcnt = 1;\n \t\t\tmbuf->next = NULL;\n-\t\t\tif (segments == 0) {\n+\t\t\tif (unlikely(segments == 0)) {\n \t\t\t\tmbuf->nb_segs = ena_rx_ctx.descs;\n \t\t\t\tmbuf->port = rx_ring->port_id;\n \t\t\t\tmbuf->pkt_len = 0;\n",
    "prefixes": [
        "dpdk-dev",
        "v3",
        "20/27"
    ]
}