Received: by 10.213.65.68 with SMTP id h4csp1088182imn; Tue, 27 Mar 2018 14:40:34 -0700 (PDT) X-Google-Smtp-Source: AIpwx495M56dmSABb3rvcE0oowIp5+QkHERWSczUN7Dnv/k4uiuDBEdgqVgl2Hiy/mIgaHkDx4RI X-Received: by 10.98.89.70 with SMTP id n67mr762330pfb.150.1522186834300; Tue, 27 Mar 2018 14:40:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1522186834; cv=none; d=google.com; s=arc-20160816; b=Zi8WbjRI9WPuHr9fDxEETkjloPIJgdteAru0xoep1X6xvWLvmArnJnpgpIXykAapJd oJvGCtBkmiUBQfUq158Bi8/h8jZ9iWr9toIuT7nKxAwdmCnmIi0shkVnQOGmloB4jC52 nvhYNkYN5cxfVFIokZYio5Aj++1rcUjWpEfAzF/NnoaJ5e7XDh/6FQqFYCklz9kdi/u/ WMeO5qhgKIOBDlAp2MA+V9AjxM5Z6d67TjawpPSHTzPpINN+Oz8FqW7LlEU+qP9SsfLO 0jLoOjLPLw2MPg0+HcWGqBXOJUYPpZHrR7+u5CoNvejvfLFgtdJPnaXZaBAkYQaRfFm1 ihMQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :arc-authentication-results; bh=yviecf9vGWNSmHIpiuqKyIKQ5uwmmOS/KnQGbOFRKoM=; b=hqeVg2BmnsmSSVdvVFBvOLRriRwHouDDg34ZdwcnLEEhSTY51nFvmP2cm+tOKdMfCr E9av9EhTQOKrGMktZLlgV4wC/csdEsNz6I8MwK5kaMdolk/SwnqCoUeNGOE0Wcfwmwoe 2TDCqtpCg379URTdnof9mkfP0/CemZxAaRg8MhcwSm+1q/aWaD+iff73nJuDRlAs4SMV MC5MtpVmhQkMSpmI8z6bn5KdWiUo7/yh/6IsMQiuo3gq/Ae9eGC/zxPD/rIFZbvfb2JO 7x/0Ezhg1xJ6wnbLbM/WxdEuEtHjacQ7XFA///1JdzkmcHp0Of54hprCDUzTrIvJcnPZ Dvgw== 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 l14si1443497pgc.615.2018.03.27.14.40.18; Tue, 27 Mar 2018 14:40:34 -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 S1752044AbeC0Vio (ORCPT + 99 others); Tue, 27 Mar 2018 17:38:44 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:56780 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751114AbeC0Vin (ORCPT ); Tue, 27 Mar 2018 17:38:43 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5500D8D774; Tue, 27 Mar 2018 21:38:43 +0000 (UTC) Received: from llong.com (dhcp-17-164.bos.redhat.com [10.18.17.164]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9A2286353E; Tue, 27 Mar 2018 21:38:40 +0000 (UTC) From: Waiman Long To: Ingo Molnar , Peter Zijlstra , Thomas Gleixner Cc: linux-kernel@vger.kernel.org, Davidlohr Bueso , Waiman Long Subject: [PATCH v3 0/2] locking/debug: Add DEBUG_RWSEMS & LOCK_DEBUGGING Date: Tue, 27 Mar 2018 17:38:08 -0400 Message-Id: <1522186690-10526-1-git-send-email-longman@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Tue, 27 Mar 2018 21:38:43 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Tue, 27 Mar 2018 21:38:43 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'longman@redhat.com' RCPT:'' Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org v3: - Add a new patch which adds a master LOCK_DEBUGGING option to turn on all lock debugging. v2: - Fix typo in up_read_non_owner(). This patchset enhances lock debugging by adding rwsem lock/unlock mismatches checking and a master config option to turn on all lock debugging. Waiman Long (2): locking/rwsem: Add DEBUG_RWSEMS to look for lock/unlock mismatches locking/debug: Add a master lock debugging switch kernel/locking/rwsem.c | 4 ++++ kernel/locking/rwsem.h | 8 +++++++- lib/Kconfig.debug | 39 ++++++++++++++++++++++++++++++++++----- 3 files changed, 45 insertions(+), 6 deletions(-) -- 1.8.3.1