From patchwork Mon Dec 19 20:29:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Elliott, Robert (Servers)" X-Patchwork-Id: 3117 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:e747:0:0:0:0:0 with SMTP id c7csp2600937wrn; Mon, 19 Dec 2022 12:31:03 -0800 (PST) X-Google-Smtp-Source: AMrXdXsEV3L2JjTY5lkQBOMDwKcqDCf7/uCjvsFCr4zCM5FIqhge+BLoDHS9jWQWjcVOEUKC/pTQ X-Received: by 2002:a17:90a:69e5:b0:20d:bd60:adab with SMTP id s92-20020a17090a69e500b0020dbd60adabmr11936652pjj.39.1671481863038; Mon, 19 Dec 2022 12:31:03 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1671481863; cv=none; d=google.com; s=arc-20160816; b=d4EUXIQbqmm0TVfc3f6RcLRVY97X0Nub0calTXqOF5uUeEv+m8d84Zs/JECkadP0WL cGVnylkQt2FyNX/i9/2RLgSobBSQxcWnYoefN7monW0Ar4wdrFs3S6olZCvQW+3pM3fR pCBqeCI0G2FsqM0NryyEzxiGiuuif5ipp/3d6G9npYi/vHTw9ZPcNv6laeJGKabMCgTT sJp4pu6aHlYNq7ZsyaiaBo8VZW13DcbSDDtyr9pVMfQaw2OGI3K2ahJM0n/p6Zs7PMjc zpKhN7xp+ScpmsTSDnk2HhXY1SrHuRdeeaha4ITcS+N/AodEziKp0rGT4ZhK8awvEYxi oDMQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=7d4LKvikd+ooKmrpAPYCKdHONad1gNp5BFbWsNbwE4w=; b=azVXVgD9tQgOz7RU9krsHXSVEZLx9aX6SLlsEu6VeWPbeuYFLEzOjN7AF81+xH5+m2 pg24yel2CKNz4fCHfrqwNaLjY6mRYpdgQEHKQAnYloGOSSbrScqW16/Q8tPzLgHdpi+H uYDxcCExCh+qByN3Wd+OWETmPe309QwDbnlHynQv7KTsGutDN4ueKu9CXWrfEPHI6FyM UJOrhN2cHd1GVYJOc3Wd9SWbBDB+OpwLh/b/C/jiKGvMNn7rR/Aw94Lyit2c04zQYsg0 KSPJKz3iVtKDNf4oKJ++VFLO51JoMTngKiZC1wpr1rFzw7rkPhFzMVbhfC+gI1YvrIAG gV5g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@hpe.com header.s=pps0720 header.b="JkV/WlHl"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=hpe.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id x66-20020a633145000000b00461c9ed73b3si12405574pgx.216.2022.12.19.12.30.50; Mon, 19 Dec 2022 12:31:03 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@hpe.com header.s=pps0720 header.b="JkV/WlHl"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=hpe.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232473AbiLSUaV (ORCPT + 99 others); Mon, 19 Dec 2022 15:30:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232628AbiLSUaD (ORCPT ); Mon, 19 Dec 2022 15:30:03 -0500 Received: from mx0a-002e3701.pphosted.com (mx0a-002e3701.pphosted.com [148.163.147.86]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7CFE38FF7; Mon, 19 Dec 2022 12:29:58 -0800 (PST) Received: from pps.filterd (m0148663.ppops.net [127.0.0.1]) by mx0a-002e3701.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2BJJPhOe022590; Mon, 19 Dec 2022 20:29:41 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hpe.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding; s=pps0720; bh=7d4LKvikd+ooKmrpAPYCKdHONad1gNp5BFbWsNbwE4w=; b=JkV/WlHlSjkEjXWncwoWVz916sMmC++ftw1wJ3Y/+cb+Phbk5cRaK5dlzQnMRvJ3fgrh NIMFBY/I/ZbH4nPOzDzc1dM5tMlqpqLU++gAEna9FKuQllLzKNvZdZMuAZEV7GpHuX4m jXTD29qfZZ5FhENa+3Zsx9ldXPPOHb1/U6hvOzj3d4awlMAGAUen8iBXw/EfowStoHcQ jwawBRz/A8vDm7JnLjXZ7wxtqL7ySpOvdi+UhqS35CmAy54lbwm6O6q7KI+o2wIrqRzb gPUjivC7uzBUvmi3aEAofxjvu4o9YKqq+ki9l1bmzp01fvbtAZ0UOTI2p1YHFA303ADn ow== Received: from p1lg14880.it.hpe.com (p1lg14880.it.hpe.com [16.230.97.201]) by mx0a-002e3701.pphosted.com (PPS) with ESMTPS id 3mjx3mrdjf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 19 Dec 2022 20:29:41 +0000 Received: from p1lg14885.dc01.its.hpecorp.net (unknown [10.119.18.236]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by p1lg14880.it.hpe.com (Postfix) with ESMTPS id 054B4807EE5; Mon, 19 Dec 2022 20:29:40 +0000 (UTC) Received: from adevxp033-sys.us.rdlabs.hpecorp.net (unknown [16.231.227.36]) by p1lg14885.dc01.its.hpecorp.net (Postfix) with ESMTP id C9A018064A5; Mon, 19 Dec 2022 20:29:38 +0000 (UTC) From: Robert Elliott To: herbert@gondor.apana.org.au, davem@davemloft.net, paulmck@kernel.org, frederic@kernel.org, quic_neeraju@quicinc.com, josh@joshtriplett.org Cc: linux-crypto@vger.kernel.org, rcu@vger.kernel.org, linux-kernel@vger.kernel.org, Robert Elliott Subject: [PATCH 0/3] crypto/rcu: suppress unnecessary CPU stall warnings Date: Mon, 19 Dec 2022 14:29:07 -0600 Message-Id: <20221219202910.3063036-1-elliott@hpe.com> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 X-Proofpoint-GUID: AQ5oZzLMWPlrpINPtYIkWDWUZAuTzMDb X-Proofpoint-ORIG-GUID: AQ5oZzLMWPlrpINPtYIkWDWUZAuTzMDb X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-19_01,2022-12-15_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 spamscore=0 clxscore=1011 suspectscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 priorityscore=1501 mlxlogscore=641 mlxscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2212190180 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1752675766127136580?= X-GMAIL-MSGID: =?utf-8?q?1752675766127136580?= Suppress RCU CPU stall warnings during tcrypt speed tests. Robert Elliott (3): rcu: genericize RCU stall suppression functions rcu: print first CPU on expedited stall line crypto: tcrypt - suppress RCU stall warnings during speed tests .../RCU/Design/Requirements/Requirements.rst | 6 +- Documentation/RCU/stallwarn.rst | 19 ++- arch/parisc/kernel/process.c | 2 +- crypto/tcrypt.c | 113 +++++++++++++++--- drivers/tty/sysrq.c | 4 +- include/linux/rcupdate.h | 8 +- kernel/rcu/rcu.h | 11 +- kernel/rcu/tree_exp.h | 22 ++-- kernel/rcu/tree_stall.h | 18 +-- kernel/rcu/update.c | 11 +- 10 files changed, 160 insertions(+), 54 deletions(-)