From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755199AbaFCVu7 (ORCPT ); Tue, 3 Jun 2014 17:50:59 -0400 Received: from g6t1524.atlanta.hp.com ([15.193.200.67]:12645 "EHLO g6t1524.atlanta.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751946AbaFCVu6 (ORCPT ); Tue, 3 Jun 2014 17:50:58 -0400 Message-ID: <1401832251.8843.3.camel@buesod1.americas.hpqcorp.net> Subject: Re: [GIT PULL] locking tree changes for v3.16 From: Davidlohr Bueso To: Ingo Molnar Cc: Linus Torvalds , linux-kernel@vger.kernel.org, Peter Zijlstra , "Paul E. McKenney" , Thomas Gleixner , Andrew Morton Date: Tue, 03 Jun 2014 14:50:51 -0700 In-Reply-To: <20140603114821.GA23711@gmail.com> References: <20140603114821.GA23711@gmail.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.6.4 (3.6.4-3.fc18) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2014-06-03 at 13:48 +0200, Ingo Molnar wrote: > Linus, > > Please pull the latest locking-core-for-linus git tree from: > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking-core-for-linus > > # HEAD: 3cf2f34e1a3d4d5ff209d087925cf950e52f4805 rwsem: Add comments to explain the meaning of the rwsem's count field > > The main changes in this cycle were: > > - reduced/streamlined smp_mb__*() interface that allows more usecases > and makes the existing ones less buggy, especially in rarer > architectures > > - add rwsem implementation comments > > - bump up lockdep limits So I guess the rwsem optimistic spinning stuff will be routed through akpm then (which is already in -next for a while, through -mm). Also curious about why Peter's rewrite of the qrwlock_t was removed from -tip... I noticed it was there for a few days then disappeared. What am I missing? Thanks, Davidlohr