get:
Show a patch.

patch:
Update a patch.

put:
Update a patch.

GET /api/patches/124501/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 124501,
    "url": "https://patches.dpdk.org/api/patches/124501/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/20230224081642.2566619-12-david.marchand@redhat.com/",
    "project": {
        "id": 1,
        "url": "https://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",
        "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": "<20230224081642.2566619-12-david.marchand@redhat.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20230224081642.2566619-12-david.marchand@redhat.com",
    "date": "2023-02-24T08:16:39",
    "name": "[11/14] net/virtio: annotate lock for guest announce",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "5ee8fa158fcc3566bf6783ee2eb420531fa92809",
    "submitter": {
        "id": 1173,
        "url": "https://patches.dpdk.org/api/people/1173/?format=api",
        "name": "David Marchand",
        "email": "david.marchand@redhat.com"
    },
    "delegate": {
        "id": 1,
        "url": "https://patches.dpdk.org/api/users/1/?format=api",
        "username": "tmonjalo",
        "first_name": "Thomas",
        "last_name": "Monjalon",
        "email": "thomas@monjalon.net"
    },
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/20230224081642.2566619-12-david.marchand@redhat.com/mbox/",
    "series": [
        {
            "id": 27167,
            "url": "https://patches.dpdk.org/api/series/27167/?format=api",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=27167",
            "date": "2023-02-24T08:16:28",
            "name": "Enable lock annotations on most libraries and drivers",
            "version": 1,
            "mbox": "https://patches.dpdk.org/series/27167/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/patches/124501/comments/",
    "check": "success",
    "checks": "https://patches.dpdk.org/api/patches/124501/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@inbox.dpdk.org",
        "Delivered-To": "patchwork@inbox.dpdk.org",
        "Received": [
            "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id B323841D5D;\n\tFri, 24 Feb 2023 09:18:05 +0100 (CET)",
            "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 5459A42D32;\n\tFri, 24 Feb 2023 09:17:30 +0100 (CET)",
            "from us-smtp-delivery-124.mimecast.com\n (us-smtp-delivery-124.mimecast.com [170.10.133.124])\n by mails.dpdk.org (Postfix) with ESMTP id CF09242D10\n for <dev@dpdk.org>; Fri, 24 Feb 2023 09:17:26 +0100 (CET)",
            "from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com\n [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS\n (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n us-mta-532-3oWhGuE4Ncyc9kOWTfP_5w-1; Fri, 24 Feb 2023 03:17:24 -0500",
            "from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com\n [10.11.54.6])\n (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n (No client certificate requested)\n by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 6E95185D061;\n Fri, 24 Feb 2023 08:17:24 +0000 (UTC)",
            "from dmarchan.redhat.com (unknown [10.45.224.55])\n by smtp.corp.redhat.com (Postfix) with ESMTP id 7C4FF2166B29;\n Fri, 24 Feb 2023 08:17:23 +0000 (UTC)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1677226646;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding:\n in-reply-to:in-reply-to:references:references;\n bh=FNKdnYQyMUzLNusZYQbwqNoGk9i+a3hOl3yqKhvqFhg=;\n b=Go8VU6gjqp6lfeQu1wX7qHB5Kr9xrQI5h0UvzeVS61hCW/GclcM0u/E+OlvSZi+9W8zR1p\n avP2lopWSGJLIvoIwqukUpSFOmXhgT3DbtYtB38RRFvkPCru7Q6EVnetFtHQBW/MqTPVob\n sdpJEicUwjG3AvsvH1LMCSe9+mthdSg=",
        "X-MC-Unique": "3oWhGuE4Ncyc9kOWTfP_5w-1",
        "From": "David Marchand <david.marchand@redhat.com>",
        "To": "dev@dpdk.org",
        "Cc": "thomas@monjalon.net, Maxime Coquelin <maxime.coquelin@redhat.com>,\n Chenbo Xia <chenbo.xia@intel.com>",
        "Subject": "[PATCH 11/14] net/virtio: annotate lock for guest announce",
        "Date": "Fri, 24 Feb 2023 09:16:39 +0100",
        "Message-Id": "<20230224081642.2566619-12-david.marchand@redhat.com>",
        "In-Reply-To": "<20230224081642.2566619-1-david.marchand@redhat.com>",
        "References": "<20230224081642.2566619-1-david.marchand@redhat.com>",
        "MIME-Version": "1.0",
        "X-Scanned-By": "MIMEDefang 3.1 on 10.11.54.6",
        "X-Mimecast-Spam-Score": "0",
        "X-Mimecast-Originator": "redhat.com",
        "Content-Transfer-Encoding": "8bit",
        "Content-Type": "text/plain; charset=\"US-ASCII\"; x-default=true",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org"
    },
    "content": "Expose requirements for helpers dealing with the\nVIRTIO_DEV_TO_HW(dev)->state_lock lock.\n\nSigned-off-by: David Marchand <david.marchand@redhat.com>\n---\n drivers/net/virtio/virtio_ethdev.c | 8 ++++----\n drivers/net/virtio/virtio_ethdev.h | 7 +++++--\n 2 files changed, 9 insertions(+), 6 deletions(-)",
    "diff": "diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c\nindex 0103d95920..a3de44958c 100644\n--- a/drivers/net/virtio/virtio_ethdev.c\n+++ b/drivers/net/virtio/virtio_ethdev.c\n@@ -1149,11 +1149,11 @@ virtio_dev_pause(struct rte_eth_dev *dev)\n {\n \tstruct virtio_hw *hw = dev->data->dev_private;\n \n-\trte_spinlock_lock(&hw->state_lock);\n+\trte_spinlock_lock(&VIRTIO_DEV_TO_HW(dev)->state_lock);\n \n \tif (hw->started == 0) {\n \t\t/* Device is just stopped. */\n-\t\trte_spinlock_unlock(&hw->state_lock);\n+\t\trte_spinlock_unlock(&VIRTIO_DEV_TO_HW(dev)->state_lock);\n \t\treturn -1;\n \t}\n \thw->started = 0;\n@@ -1174,7 +1174,7 @@ virtio_dev_resume(struct rte_eth_dev *dev)\n \tstruct virtio_hw *hw = dev->data->dev_private;\n \n \thw->started = 1;\n-\trte_spinlock_unlock(&hw->state_lock);\n+\trte_spinlock_unlock(&VIRTIO_DEV_TO_HW(dev)->state_lock);\n }\n \n /*\n@@ -1217,7 +1217,7 @@ virtio_notify_peers(struct rte_eth_dev *dev)\n \t}\n \n \t/* If virtio port just stopped, no need to send RARP */\n-\tif (virtio_dev_pause(dev) < 0) {\n+\tif (virtio_dev_pause(dev) != 0) {\n \t\trte_pktmbuf_free(rarp_mbuf);\n \t\treturn;\n \t}\ndiff --git a/drivers/net/virtio/virtio_ethdev.h b/drivers/net/virtio/virtio_ethdev.h\nindex c08f382791..ece0130603 100644\n--- a/drivers/net/virtio/virtio_ethdev.h\n+++ b/drivers/net/virtio/virtio_ethdev.h\n@@ -112,8 +112,11 @@ int eth_virtio_dev_init(struct rte_eth_dev *eth_dev);\n \n void virtio_interrupt_handler(void *param);\n \n-int virtio_dev_pause(struct rte_eth_dev *dev);\n-void virtio_dev_resume(struct rte_eth_dev *dev);\n+#define VIRTIO_DEV_TO_HW(dev) ((struct virtio_hw *)(dev)->data->dev_private)\n+int virtio_dev_pause(struct rte_eth_dev *dev)\n+\t__rte_exclusive_trylock_function(0, &VIRTIO_DEV_TO_HW(dev)->state_lock);\n+void virtio_dev_resume(struct rte_eth_dev *dev)\n+\t__rte_unlock_function(&VIRTIO_DEV_TO_HW(dev)->state_lock);\n int virtio_dev_stop(struct rte_eth_dev *dev);\n int virtio_dev_close(struct rte_eth_dev *dev);\n int virtio_inject_pkts(struct rte_eth_dev *dev, struct rte_mbuf **tx_pkts,\n",
    "prefixes": [
        "11/14"
    ]
}