Received: by 2002:ac0:a5a6:0:0:0:0:0 with SMTP id m35-v6csp75311imm; Wed, 29 Aug 2018 14:22:10 -0700 (PDT) X-Google-Smtp-Source: ANB0VdYwHagnLT2ET0BUHljdZZ8TjQWqwazGs/VbLuvGJKvwsFws3RdmIKYzMu43jDe7iCN5L/fR X-Received: by 2002:a63:6183:: with SMTP id v125-v6mr7263264pgb.242.1535577729932; Wed, 29 Aug 2018 14:22:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1535577729; cv=none; d=google.com; s=arc-20160816; b=XL1MUhKCoqHSZqIAFYr06EcArykXJ+Mj5SQg6+ccXKYktYEXo+kr7YAduUlVqXlGp0 gUFc5kF11WC97UIY1ynA9zZu3iGaqNNYR2I+bk9ltORK9OxCu4M0xen9X1eHmfsamkaj q5pwcb1N/M8Tn4a0q8aQMqB9yXAieNZgG4aysQjwaus6+QMf3RZyxCO8VxJUqpuQJ1sU mBiA/DtNElx/BIQ08tt9zB02njnDSKpg9kjkUH8L1m1ZYZUzoFwcwwbrqs2KqTrBlR44 Ax9m1b+NoYtNRc9H8wutbzmJKoMaVILJKGjwPjiz+uaFEx9tYppBy/Su+tOdd7z/Tq+f b0Uw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:user-agent:content-disposition :mime-version:reply-to:subject:cc:to:from:date :arc-authentication-results; bh=kWCc/vHs22qGvxY0iF/0T3bxlYCfLH/J76vP8FvKpTo=; b=dHVhUq/AipQZ+2jh1RTFq7yxwUzzffrej5ut5CBoEUfdReyvlNxWhBDOIbHv3BYdb0 SUQd4NCzGVZs0gCJ+zk6LbhqMnYF4Fw7WooKPlogMwAiPtd7f0oDJ8risOVQxKMCf62P sH2F+ptmA5Jac6ypOTsQg/ZVjI0rCMI+HdL++AKP5yKPGf7c0F8VCSXxhN2NiSE755jQ tI/VDbe0sBcrI87I4sp2kqcOW1Jf9DhNd4OiGPfpGCvV1rpA7VDM3Ufi6FCn70zWg3Fn wXOAGd+s2XbxFiUSwQGtFiRD9GJv8HugYG4F6aBkaxe5iAgip+IuL5PnW4E51DN2LRA2 PeKg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z4-v6si4553887pgl.666.2018.08.29.14.21.54; Wed, 29 Aug 2018 14:22:09 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728673AbeH3BT3 (ORCPT + 99 others); Wed, 29 Aug 2018 21:19:29 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:40334 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727507AbeH3BT1 (ORCPT ); Wed, 29 Aug 2018 21:19:27 -0400 Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w7TL938E074399 for ; Wed, 29 Aug 2018 17:20:42 -0400 Received: from e13.ny.us.ibm.com (e13.ny.us.ibm.com [129.33.205.203]) by mx0a-001b2d01.pphosted.com with ESMTP id 2m627rabv9-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 29 Aug 2018 17:20:41 -0400 Received: from localhost by e13.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 29 Aug 2018 17:20:41 -0400 Received: from b01cxnp22033.gho.pok.ibm.com (9.57.198.23) by e13.ny.us.ibm.com (146.89.104.200) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 29 Aug 2018 17:20:37 -0400 Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp22033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w7TLKa1J46989544 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 29 Aug 2018 21:20:36 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6FC00B2064; Wed, 29 Aug 2018 17:19:32 -0400 (EDT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4F5C5B205F; Wed, 29 Aug 2018 17:19:32 -0400 (EDT) Received: from paulmck-ThinkPad-W541 (unknown [9.70.82.159]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Wed, 29 Aug 2018 17:19:32 -0400 (EDT) Received: by paulmck-ThinkPad-W541 (Postfix, from userid 1000) id A840516C3063; Wed, 29 Aug 2018 14:20:36 -0700 (PDT) Date: Wed, 29 Aug 2018 14:20:36 -0700 From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org Subject: [PATCH tip/core/rcu 0/3] SRCU updates for v4.20/v5.0 Reply-To: paulmck@linux.vnet.ibm.com MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 x-cbid: 18082921-0064-0000-0000-00000343F9DF X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009636; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000266; SDB=6.01080718; UDB=6.00557482; IPR=6.00860704; MB=3.00023001; MTD=3.00000008; XFM=3.00000015; UTC=2018-08-29 21:20:40 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18082921-0065-0000-0000-00003A782405 Message-Id: <20180829212036.GA22033@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-08-29_04:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=587 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1808290206 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello! This series allows call_srcu() to be used during very early boot: 1. Make call_srcu() available during very early boot. 2. Test early boot call_srcu(). 3. Make early-boot call_srcu() reuse workqueue lists. Thanx, Paul ------------------------------------------------------------------------ include/linux/srcutiny.h | 4 - include/linux/srcutree.h | 17 +++-- kernel/rcu/rcu.h | 6 ++ kernel/rcu/srcutiny.c | 39 ++++++++++--- kernel/rcu/srcutree.c | 36 +++++++++--- kernel/rcu/tiny.c | 1 kernel/rcu/tree.c | 1 kernel/rcu/update.c | 9 +++ tools/testing/selftests/rcutorture/configs/rcu/SRCU-P.boot | 1 tools/testing/selftests/rcutorture/configs/rcu/SRCU-u.boot | 1 tools/testing/selftests/rcutorture/configs/rcu/TREE05.boot | 1 11 files changed, 92 insertions(+), 24 deletions(-)