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GET /api/patches/139211/?format=api
http://patchwork.dpdk.org/api/patches/139211/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/patch/20240409114845.1336403-3-maxime.coquelin@redhat.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": "<20240409114845.1336403-3-maxime.coquelin@redhat.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20240409114845.1336403-3-maxime.coquelin@redhat.com", "date": "2024-04-09T11:48:42", "name": "[v3,2/5] vhost: make use of FD manager init function", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "bf01a13c47f68ee253b73b30d2a77e753a97baa4", "submitter": { "id": 512, "url": "http://patchwork.dpdk.org/api/people/512/?format=api", "name": "Maxime Coquelin", "email": "maxime.coquelin@redhat.com" }, "delegate": { "id": 2642, "url": "http://patchwork.dpdk.org/api/users/2642/?format=api", "username": "mcoquelin", "first_name": "Maxime", "last_name": "Coquelin", "email": "maxime.coquelin@redhat.com" }, "mbox": "http://patchwork.dpdk.org/project/dpdk/patch/20240409114845.1336403-3-maxime.coquelin@redhat.com/mbox/", "series": [ { "id": 31711, "url": "http://patchwork.dpdk.org/api/series/31711/?format=api", "web_url": "http://patchwork.dpdk.org/project/dpdk/list/?series=31711", "date": "2024-04-09T11:48:40", "name": "vhost: FD manager improvements", "version": 3, "mbox": "http://patchwork.dpdk.org/series/31711/mbox/" } ], "comments": "http://patchwork.dpdk.org/api/patches/139211/comments/", "check": "success", "checks": "http://patchwork.dpdk.org/api/patches/139211/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 37FF743E29;\n\tTue, 9 Apr 2024 13:49:10 +0200 (CEST)", "from mails.dpdk.org (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id A6F184064A;\n\tTue, 9 Apr 2024 13:49:01 +0200 (CEST)", "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 5A09A40633\n for <dev@dpdk.org>; Tue, 9 Apr 2024 13:49:00 +0200 (CEST)", "from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com\n [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS\n (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id\n us-mta-70-05RQu48oO5G1ief6JvYnWg-1; Tue, 09 Apr 2024 07:48:57 -0400", "from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com\n [10.11.54.3])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest\n SHA256)\n (No client certificate requested)\n by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8B8E480D0F2;\n Tue, 9 Apr 2024 11:48:56 +0000 (UTC)", "from max-p1.redhat.com (unknown [10.39.208.27])\n by smtp.corp.redhat.com (Postfix) with ESMTP id 2030010061E0;\n Tue, 9 Apr 2024 11:48:54 +0000 (UTC)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1712663339;\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=bEu9gm7Al6r5CvVfB2f2tmW6aS8LWq/Z2KvSNplMR8o=;\n b=TzMafx2vb5SMX4IM20nMvXsqurtafr72ToayVvLTmayVIMnI5h++IIvy/rrGsIMK5LTLdl\n bL2VMdgyRdF3k+Pfvo74kthuSvhnDX9vtYdm5hSJNjKzatnxb9vY6HYGAb4OyhSzqzJ/Hn\n gIo0REJRCmF3GwvqwIefTtYkQOk+vy0=", "X-MC-Unique": "05RQu48oO5G1ief6JvYnWg-1", "From": "Maxime Coquelin <maxime.coquelin@redhat.com>", "To": "dev@dpdk.org,\n\tdavid.marchand@redhat.com,\n\tchenbox@nvidia.com", "Cc": "Maxime Coquelin <maxime.coquelin@redhat.com>", "Subject": "[PATCH v3 2/5] vhost: make use of FD manager init function", "Date": "Tue, 9 Apr 2024 13:48:42 +0200", "Message-ID": "<20240409114845.1336403-3-maxime.coquelin@redhat.com>", "In-Reply-To": "<20240409114845.1336403-1-maxime.coquelin@redhat.com>", "References": "<20240409114845.1336403-1-maxime.coquelin@redhat.com>", "MIME-Version": "1.0", "X-Scanned-By": "MIMEDefang 3.4.1 on 10.11.54.3", "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": "Instead of statically initialize the fdset, this patch\nconverts VDUSE and Vhost-user to use fdset_init() function,\nwhich now also initialize the mutexes.\n\nThis is preliminary rework to hide FDs manager pipe from\nits users.\n\nSigned-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>\n---\n lib/vhost/fd_man.c | 11 +++++++++--\n lib/vhost/fd_man.h | 2 +-\n lib/vhost/socket.c | 12 +++++-------\n lib/vhost/vduse.c | 15 ++++++---------\n 4 files changed, 21 insertions(+), 19 deletions(-)", "diff": "diff --git a/lib/vhost/fd_man.c b/lib/vhost/fd_man.c\nindex 67ee1589e1..e42c491fdb 100644\n--- a/lib/vhost/fd_man.c\n+++ b/lib/vhost/fd_man.c\n@@ -96,19 +96,26 @@ fdset_add_fd(struct fdset *pfdset, int idx, int fd,\n \tpfd->revents = 0;\n }\n \n-void\n+int\n fdset_init(struct fdset *pfdset)\n {\n \tint i;\n \n \tif (pfdset == NULL)\n-\t\treturn;\n+\t\treturn -1;\n+\n+\tpthread_mutex_init(&pfdset->fd_mutex, NULL);\n+\tpthread_mutex_init(&pfdset->fd_polling_mutex, NULL);\n+\tpthread_mutex_init(&pfdset->sync_mutex, NULL);\n+\tpthread_cond_init(&pfdset->sync_cond, NULL);\n \n \tfor (i = 0; i < MAX_FDS; i++) {\n \t\tpfdset->fd[i].fd = -1;\n \t\tpfdset->fd[i].dat = NULL;\n \t}\n \tpfdset->num = 0;\n+\n+\treturn 0;\n }\n \n /**\ndiff --git a/lib/vhost/fd_man.h b/lib/vhost/fd_man.h\nindex 4e00f94758..0f4cddfe56 100644\n--- a/lib/vhost/fd_man.h\n+++ b/lib/vhost/fd_man.h\n@@ -43,7 +43,7 @@ struct fdset {\n };\n \n \n-void fdset_init(struct fdset *pfdset);\n+int fdset_init(struct fdset *pfdset);\n \n int fdset_add(struct fdset *pfdset, int fd,\n \tfd_cb rcb, fd_cb wcb, void *dat);\ndiff --git a/lib/vhost/socket.c b/lib/vhost/socket.c\nindex 96b3ab5595..8155749972 100644\n--- a/lib/vhost/socket.c\n+++ b/lib/vhost/socket.c\n@@ -89,13 +89,6 @@ static int create_unix_socket(struct vhost_user_socket *vsocket);\n static int vhost_user_start_client(struct vhost_user_socket *vsocket);\n \n static struct vhost_user vhost_user = {\n-\t.fdset = {\n-\t\t.fd = { [0 ... MAX_FDS - 1] = {-1, NULL, NULL, NULL, 0} },\n-\t\t.fd_mutex = PTHREAD_MUTEX_INITIALIZER,\n-\t\t.fd_pooling_mutex = PTHREAD_MUTEX_INITIALIZER,\n-\t\t.sync_mutex = PTHREAD_MUTEX_INITIALIZER,\n-\t\t.num = 0\n-\t},\n \t.vsocket_cnt = 0,\n \t.mutex = PTHREAD_MUTEX_INITIALIZER,\n };\n@@ -1188,6 +1181,11 @@ rte_vhost_driver_start(const char *path)\n \t\treturn vduse_device_create(path, vsocket->net_compliant_ol_flags);\n \n \tif (fdset_tid.opaque_id == 0) {\n+\t\tif (fdset_init(&vhost_user.fdset) < 0) {\n+\t\t\tVHOST_CONFIG_LOG(path, ERR, \"failed to init Vhost-user fdset\");\n+\t\t\treturn -1;\n+\t\t}\n+\n \t\t/**\n \t\t * create a pipe which will be waited by poll and notified to\n \t\t * rebuild the wait list of poll.\ndiff --git a/lib/vhost/vduse.c b/lib/vhost/vduse.c\nindex e0c6991b69..530c148399 100644\n--- a/lib/vhost/vduse.c\n+++ b/lib/vhost/vduse.c\n@@ -31,15 +31,7 @@ struct vduse {\n \tstruct fdset fdset;\n };\n \n-static struct vduse vduse = {\n-\t.fdset = {\n-\t\t.fd = { [0 ... MAX_FDS - 1] = {-1, NULL, NULL, NULL, 0} },\n-\t\t.fd_mutex = PTHREAD_MUTEX_INITIALIZER,\n-\t\t.fd_pooling_mutex = PTHREAD_MUTEX_INITIALIZER,\n-\t\t.sync_mutex = PTHREAD_MUTEX_INITIALIZER,\n-\t\t.num = 0\n-\t},\n-};\n+static struct vduse vduse;\n \n static bool vduse_events_thread;\n \n@@ -435,6 +427,11 @@ vduse_device_create(const char *path, bool compliant_ol_flags)\n \n \t/* If first device, create events dispatcher thread */\n \tif (vduse_events_thread == false) {\n+\t\tif (fdset_init(&vduse.fdset) < 0) {\n+\t\t\tVHOST_CONFIG_LOG(path, ERR, \"failed to init VDUSE fdset\");\n+\t\t\treturn -1;\n+\t\t}\n+\n \t\t/**\n \t\t * create a pipe which will be waited by poll and notified to\n \t\t * rebuild the wait list of poll.\n", "prefixes": [ "v3", "2/5" ] }{ "id": 139211, "url": "