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GET /api/patches/996529/?format=api
{ "id": 996529, "url": "http://patchwork.ozlabs.org/api/patches/996529/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20181111194410.6368-13-paulmck@linux.ibm.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20181111194410.6368-13-paulmck@linux.ibm.com>", "list_archive_url": null, "date": "2018-11-11T19:43:42", "name": "[tip/core/rcu,13/41] ethernet/intel/ixgbe: Replace synchronize_sched() with synchronize_rcu()", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "bba0e11e2915a59149f823022c0c0f18f8e49449", "submitter": { "id": 75070, "url": "http://patchwork.ozlabs.org/api/people/75070/?format=api", "name": "Paul E. McKenney", "email": "paulmck@linux.ibm.com" }, "delegate": { "id": 68, "url": "http://patchwork.ozlabs.org/api/users/68/?format=api", "username": "jtkirshe", "first_name": "Jeff", "last_name": "Kirsher", "email": "jeffrey.t.kirsher@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20181111194410.6368-13-paulmck@linux.ibm.com/mbox/", "series": [ { "id": 75475, "url": "http://patchwork.ozlabs.org/api/series/75475/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=75475", "date": "2018-11-11T19:43:42", "name": null, "version": 1, "mbox": "http://patchwork.ozlabs.org/series/75475/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/996529/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/996529/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=osuosl.org\n\t(client-ip=140.211.166.137; helo=fraxinus.osuosl.org;\n\tenvelope-from=intel-wired-lan-bounces@osuosl.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dmarc=none (p=none dis=none)\n\theader.from=linux.ibm.com" ], "Received": [ "from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 42twfG0WPwz9s3C\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 13 Nov 2018 03:08:20 +1100 (AEDT)", "from localhost (localhost [127.0.0.1])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 289DA86490;\n\tMon, 12 Nov 2018 16:08:18 +0000 (UTC)", "from fraxinus.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id zwy_emSgoQG9; Mon, 12 Nov 2018 16:08:17 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 147828647E;\n\tMon, 12 Nov 2018 16:08:17 +0000 (UTC)", "from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136])\n\tby ash.osuosl.org (Postfix) with ESMTP id 2DFAE1BF44A\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tSun, 11 Nov 2018 19:44:20 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id 2A833221B7\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tSun, 11 Nov 2018 19:44:20 +0000 (UTC)", "from silver.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id cwM3qd1aJR0v for <intel-wired-lan@lists.osuosl.org>;\n\tSun, 11 Nov 2018 19:44:19 +0000 (UTC)", "from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com\n\t[148.163.158.5])\n\tby silver.osuosl.org (Postfix) with ESMTPS id 80AA62202E\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tSun, 11 Nov 2018 19:44:19 +0000 (UTC)", "from pps.filterd (m0098419.ppops.net [127.0.0.1])\n\tby mx0b-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id\n\twABJi9EI047989 for <intel-wired-lan@lists.osuosl.org>;\n\tSun, 11 Nov 2018 14:44:18 -0500", "from e14.ny.us.ibm.com (e14.ny.us.ibm.com [129.33.205.204])\n\tby mx0b-001b2d01.pphosted.com with ESMTP id 2npdvs8pgb-1\n\t(version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT)\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tSun, 11 Nov 2018 14:44:18 -0500", "from localhost\n\tby e14.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use\n\tOnly! Violators will be prosecuted\n\tfor <intel-wired-lan@lists.osuosl.org> from\n\t<paulmck@linux.vnet.ibm.com>; Sun, 11 Nov 2018 19:44:17 -0000", "from b01cxnp23034.gho.pok.ibm.com (9.57.198.29)\n\tby e14.ny.us.ibm.com (146.89.104.201) with IBM ESMTP SMTP Gateway:\n\tAuthorized Use Only! Violators will be prosecuted; \n\t(version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256)\n\tSun, 11 Nov 2018 19:44:13 -0000", "from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com\n\t[9.57.199.108])\n\tby b01cxnp23034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP\n\tid wABJiCcO20512884\n\t(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256\n\tverify=FAIL); Sun, 11 Nov 2018 19:44:12 GMT", "from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id 058D7B2065;\n\tSun, 11 Nov 2018 19:44:12 +0000 (GMT)", "from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id D11B8B206B;\n\tSun, 11 Nov 2018 19:44:11 +0000 (GMT)", "from paulmck-ThinkPad-W541 (unknown [9.85.207.24])\n\tby b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP;\n\tSun, 11 Nov 2018 19:44:11 +0000 (GMT)", "by paulmck-ThinkPad-W541 (Postfix, from userid 1000)\n\tid B5E5216C5DA5; Sun, 11 Nov 2018 11:44:12 -0800 (PST)" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "From": "\"Paul E. McKenney\" <paulmck@linux.ibm.com>", "To": "linux-kernel@vger.kernel.org", "Date": "Sun, 11 Nov 2018 11:43:42 -0800", "X-Mailer": "git-send-email 2.17.1", "In-Reply-To": "<20181111194104.GA4787@linux.ibm.com>", "References": "<20181111194104.GA4787@linux.ibm.com>", "X-TM-AS-GCONF": "00", "x-cbid": "18111119-0052-0000-0000-000003542248", "X-IBM-SpamModules-Scores": "", "X-IBM-SpamModules-Versions": "BY=3.00010028; HX=3.00000242; KW=3.00000007;\n\tPH=3.00000004; SC=3.00000270; SDB=6.01116019; UDB=6.00578733;\n\tIPR=6.00896119; \n\tMB=3.00024114; MTD=3.00000008; XFM=3.00000015; UTC=2018-11-11 19:44:17", "X-IBM-AV-DETECTION": "SAVI=unused REMOTE=unused XFE=unused", "x-cbparentid": "18111119-0053-0000-0000-00005EBB2195", "Message-Id": "<20181111194410.6368-13-paulmck@linux.ibm.com>", "X-Proofpoint-Virus-Version": "vendor=fsecure engine=2.50.10434:, ,\n\tdefinitions=2018-11-11_13:, , signatures=0", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n\tpriorityscore=1501\n\tmalwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0\n\tclxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0\n\tmlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx\n\tscancount=1 engine=8.0.1-1807170000 definitions=main-1811110188", "X-Mailman-Approved-At": "Mon, 12 Nov 2018 16:08:15 +0000", "Subject": "[Intel-wired-lan] [PATCH tip/core/rcu 13/41] ethernet/intel/ixgbe:\n\tReplace synchronize_sched() with synchronize_rcu()", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.osuosl.org>", "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@osuosl.org?subject=help>", "List-Subscribe": "<https://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>", "Cc": "tglx@linutronix.de, \"David S. Miller\" <davem@davemloft.net>,\n\tpeterz@infradead.org, fweisbec@gmail.com, jiangshanlai@gmail.com,\n\tjosh@joshtriplett.org, rostedt@goodmis.org, oleg@redhat.com,\n\tdhowells@redhat.com, edumazet@google.com,\n\tmathieu.desnoyers@efficios.com, \n\tdipankar@in.ibm.com, joel@joelfernandes.org,\n\tintel-wired-lan@lists.osuosl.org, \n\takpm@linux-foundation.org, \"Paul E. McKenney\" <paulmck@linux.ibm.com>,\n\tmingo@kernel.org", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>" }, "content": "Now that synchronize_rcu() waits for preempt-disable regions of code\nas well as RCU read-side critical sections, synchronize_sched() can be\nreplaced by synchronize_rcu(). This commit therefore makes this change.\n\nSigned-off-by: Paul E. McKenney <paulmck@linux.ibm.com>\nCc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>\nCc: \"David S. Miller\" <davem@davemloft.net>\nCc: <intel-wired-lan@lists.osuosl.org>\n---\n drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 6 +++---\n 1 file changed, 3 insertions(+), 3 deletions(-)", "diff": "diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c\nindex 113b38e0defb..e8095bdf46de 100644\n--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c\n+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c\n@@ -6077,9 +6077,9 @@ void ixgbe_down(struct ixgbe_adapter *adapter)\n \t/* Disable Rx */\n \tixgbe_disable_rx(adapter);\n \n-\t/* synchronize_sched() needed for pending XDP buffers to drain */\n+\t/* synchronize_rcu() needed for pending XDP buffers to drain */\n \tif (adapter->xdp_ring[0])\n-\t\tsynchronize_sched();\n+\t\tsynchronize_rcu();\n \n \tixgbe_irq_disable(adapter);\n \n@@ -10476,7 +10476,7 @@ void ixgbe_txrx_ring_disable(struct ixgbe_adapter *adapter, int ring)\n \tixgbe_disable_rxr_hw(adapter, rx_ring);\n \n \tif (xdp_ring)\n-\t\tsynchronize_sched();\n+\t\tsynchronize_rcu();\n \n \t/* Rx/Tx/XDP Tx share the same napi context. */\n \tnapi_disable(&rx_ring->q_vector->napi);\n", "prefixes": [ "tip/core/rcu", "13/41" ] }