From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933208Ab2LHOiE (ORCPT ); Sat, 8 Dec 2012 09:38:04 -0500 Received: from mail-ee0-f46.google.com ([74.125.83.46]:58690 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753068Ab2LHOiC (ORCPT ); Sat, 8 Dec 2012 09:38:02 -0500 Date: Sat, 8 Dec 2012 15:37:57 +0100 From: Ingo Molnar To: "Paul E. McKenney" , Linus Torvalds , Andrew Morton Cc: mingo@elte.hu, fweisbec@gmail.com, rostedt@goodmis.org, linux-kernel@vger.kernel.org Subject: [context tracking subsystem] Re: [GIT PULL rcu/next] One more RCU commit for 3.8 Message-ID: <20121208143757.GB12011@gmail.com> References: <20121204130503.GA13878@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20121204130503.GA13878@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Paul E. McKenney wrote: > Hello, Ingo, > > Could you please pull one more commit? This is an update to Frederic > Weisbecker's context-tracking subsystem that is another stepping stone > towards adaptive-idle and tickless userspace execution. This has been > subjected to -next testing. It does give two checkpatch.pl errors, > but these are on cpp macro definitions used within assembly code -- and > following checkpatch.pl's suggestions would result in assembler errors. > (I have reported this to Andy Whitcroft, checkpatch.pl's maintainer.) > > These changes are available in the git repository at: > git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next > > Thanx, Paul > > ----------------> > Frederic Weisbecker (1): > context_tracking: New context tracking susbsystem > > arch/Kconfig | 15 ++-- > arch/x86/Kconfig | 2 +- > arch/x86/include/asm/{rcu.h => context_tracking.h} | 15 ++-- > arch/x86/kernel/entry_64.S | 2 +- > arch/x86/kernel/ptrace.c | 8 +- > arch/x86/kernel/signal.c | 5 +- > arch/x86/kernel/traps.c | 2 +- > arch/x86/mm/fault.c | 2 +- > include/linux/context_tracking.h | 18 ++++ > include/linux/rcupdate.h | 2 - > init/Kconfig | 28 ++++---- > kernel/Makefile | 1 + > kernel/context_tracking.c | 83 ++++++++++++++++++++ > kernel/rcutree.c | 64 +--------------- > kernel/sched/core.c | 11 ++- > 15 files changed, 150 insertions(+), 108 deletions(-) > rename arch/x86/include/asm/{rcu.h => context_tracking.h} (63%) > create mode 100644 include/linux/context_tracking.h > create mode 100644 kernel/context_tracking.c Pulled it and pushed it out earlier this week. One issue I wanted to raise on a bit wider forum was the introduction of the (small) kernel/context_tracking.c subsystem. It makes sense to me, but I've Cc:-ed Linus and Andrew, in case they have a different opinion. Thanks, Ingo