Received: by 2002:a25:c593:0:0:0:0:0 with SMTP id v141csp1140107ybe; Wed, 11 Sep 2019 09:59:57 -0700 (PDT) X-Google-Smtp-Source: APXvYqxV1Q77+0NmcYqdee3e8P5dkIUbo2CA6exvnYavdSZQw2tl1HlEYHY3lUXDBu27e3elpXgA X-Received: by 2002:a50:f00c:: with SMTP id r12mr37855002edl.274.1568221197693; Wed, 11 Sep 2019 09:59:57 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1568221197; cv=none; d=google.com; s=arc-20160816; b=l/INzvWwPbeomzb2JNJmxPgWSRvdGwDPHQpHiDgB8ABYRLiPzAX0fGIywZh4GBxsae 3NJ1WSCuHENap/lhhxdR5XSexz4fiT3LIGl5t9LSl7DfBG2ECxEYfTBj5hCcR3t+Capc mt9m32qmIvyONp3m9M7g4EZ7pW06DHvP8+9OeKvGjMZH1T4hV2nplTG245ttrnKqtwYV YpLJ0d/x7qO/cNvdkoXwhJi8oVmb6zmOK76NqQnTJIOvU/CSnPMG1Z+BxiwNoibyUa7L piaDqXpApEka3ipsTgxTUy8ZZNcHyW58XTCX+Ziq+UpEbjB7BxzqqmkEreqaJVUuJV5C GsFw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=PxJR2gGCft5Uq0i6aKAk2T0oonLKNNOdyW8A2H/Ti+c=; b=FeCMkrIQGAC5shm2NlkMnjMOBxreS08TvwIFV/IKMHraZ8kuNqGA/TqERFo8YeroVV b0uBD45606fV+kAO1YMjmCA5TVTegYetdXpPIhxEy8ZQNLL9VWpK8PVoHnfE890bJdYe z30ASKn06/zAe13+JtGA1I/OSg/JFSOr68pJM/F+w4GnnEp0C2pCo/0//6tvT7tmmNjm qzTRymUgkMEzQdYR4NlNZRHp0rUqdLyi21bVgZipIQnPklaQ5jEcMlPOwegiUU22YiK7 /IXCyAuwRplWdXc3q2nY5gEvUVBRrRRC8CDMpWlQ5XeLCrkQPuSsO5FzpJozs4IKlV0Q mudw== 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=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id g4si13038927edq.197.2019.09.11.09.59.32; Wed, 11 Sep 2019 09:59:57 -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=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729501AbfIKQ5g (ORCPT + 99 others); Wed, 11 Sep 2019 12:57:36 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34152 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729028AbfIKQ5g (ORCPT ); Wed, 11 Sep 2019 12:57:36 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 181183082B45; Wed, 11 Sep 2019 16:57:36 +0000 (UTC) Received: from t460p.redhat.com (ovpn-117-113.phx2.redhat.com [10.3.117.113]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9D45860BEC; Wed, 11 Sep 2019 16:57:30 +0000 (UTC) From: Scott Wood To: Sebastian Andrzej Siewior Cc: linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org, "Paul E . McKenney" , Joel Fernandes , Thomas Gleixner , Steven Rostedt , Peter Zijlstra , Juri Lelli , Clark Williams Subject: [PATCH RT v3 0/5] RCU fixes Date: Wed, 11 Sep 2019 17:57:24 +0100 Message-Id: <20190911165729.11178-1-swood@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Wed, 11 Sep 2019 16:57:36 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org With these patches, rcutorture works on PREEMPT_RT_FULL. Scott Wood (5): rcu: Acquire RCU lock when disabling BHs sched: Rename sleeping_lock to rt_invol_sleep sched: migrate_dis/enable: Use rt_invol_sleep rcu: Disable use_softirq on PREEMPT_RT rcutorture: Avoid problematic critical section nesting include/linux/rcupdate.h | 40 +++++++++++++++---- include/linux/sched.h | 19 ++++----- kernel/cpu.c | 2 + kernel/locking/rtmutex.c | 14 +++---- kernel/locking/rwlock-rt.c | 16 ++++---- kernel/rcu/rcutorture.c | 96 +++++++++++++++++++++++++++++++++++++++------- kernel/rcu/tree.c | 9 ++++- kernel/rcu/tree_plugin.h | 8 ++-- kernel/sched/core.c | 4 ++ kernel/softirq.c | 14 +++++-- kernel/time/hrtimer.c | 4 +- 11 files changed, 168 insertions(+), 58 deletions(-) -- 1.8.3.1