From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754116Ab3KDXhZ (ORCPT ); Mon, 4 Nov 2013 18:37:25 -0500 Received: from mga02.intel.com ([134.134.136.20]:20987 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754069Ab3KDXhU (ORCPT ); Mon, 4 Nov 2013 18:37:20 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.93,535,1378882800"; d="scan'208";a="429779892" Subject: [PATCH 0/4] MCS Lock: MCS lock code cleanup and optimizations From: Tim Chen To: Ingo Molnar , Andrew Morton , Thomas Gleixner Cc: linux-kernel@vger.kernel.org, linux-mm , linux-arch@vger.kernel.org, Linus Torvalds , Waiman Long , Andrea Arcangeli , Alex Shi , Andi Kleen , Michel Lespinasse , Davidlohr Bueso , Matthew R Wilcox , Dave Hansen , Peter Zijlstra , Rik van Riel , Peter Hurley , "Paul E.McKenney" , Tim Chen , Raghavendra K T , George Spelvin , "H. Peter Anvin" , Arnd Bergmann , Aswin Chandramouleeswaran , Scott J Norton References: Content-Type: text/plain; charset="UTF-8" Date: Mon, 04 Nov 2013 15:36:56 -0800 Message-ID: <1383608216.11046.259.camel@schen9-DESK> Mime-Version: 1.0 X-Mailer: Evolution 2.32.3 (2.32.3-1.fc14) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In this patch series, we separated out the MCS lock code which was previously embedded in the mutex.c. This allows for easier reuse of MCS lock in other places like rwsem and qrwlock. We also did some micro optimizations and barrier cleanup. This patches were previously part of the rwsem optimization patch series but now we spearate them out. Tim Chen Jason Low (2): MCS Lock: optimizations and extra comments MCS Lock: Barrier corrections Tim Chen (1): MCS Lock: Restructure the MCS lock defines and locking code into its own file Waiman Long (1): MCS Lock: Make mcs_spinlock.h includable in other files include/linux/mcs_spinlock.h | 100 ++++++++++++++++++++++++++++++++++++++++++ include/linux/mutex.h | 5 +- kernel/Makefile | 6 +- kernel/mcs_spinlock.c | 37 +++++++++++++++ kernel/mutex.c | 60 +++---------------------- 5 files changed, 150 insertions(+), 58 deletions(-) create mode 100644 include/linux/mcs_spinlock.h create mode 100644 kernel/mcs_spinlock.c -- 1.7.4.4