From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754160AbbEKSAV (ORCPT ); Mon, 11 May 2015 14:00:21 -0400 Received: from smtprelay0205.hostedemail.com ([216.40.44.205]:48408 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752620AbbEKSAO (ORCPT ); Mon, 11 May 2015 14:00:14 -0400 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 30,2,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::::::::::::::::::::::::,RULES_HIT:41:355:379:541:599:800:960:973:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1540:1593:1594:1711:1730:1747:1777:1792:2393:2553:2559:2562:2904:3138:3139:3140:3141:3142:3352:3622:3865:3866:3867:3870:3871:3874:5007:6119:6261:6742:7514:7875:7903:8957:9040:10004:10400:10848:10967:11026:11232:11473:11658:11914:12043:12296:12438:12517:12519:12740:13069:13161:13229:13311:13357:13523:13524:14096:14097:21063:21080,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0 X-HE-Tag: basin49_1eb7a1fb48662 X-Filterd-Recvd-Size: 2623 Date: Mon, 11 May 2015 14:00:09 -0400 From: Steven Rostedt To: Frederic Weisbecker Cc: Andrew Morton , paulmck@linux.vnet.ibm.com, Ingo Molnar , Chris Metcalf , Gilad Ben Yossef , Ingo Molnar , Peter Zijlstra , Rik van Riel , Tejun Heo , Thomas Gleixner , Christoph Lameter , "Srivatsa S. Bhat" , linux-doc@vger.kernel.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/6] support "dataplane" mode for nohz_full Message-ID: <20150511140009.1f7bcf07@gandalf.local.home> In-Reply-To: <20150511173305.GC32512@lerouge> References: <1431107927-13998-1-git-send-email-cmetcalf@ezchip.com> <20150508141824.797eb0d89d514e39fd30fffe@linux-foundation.org> <20150508172210.559830a9@gandalf.local.home> <554D428E.6020702@ezchip.com> <20150508161909.308d60e21f6b83b897174276@linux-foundation.org> <20150509070538.GA9413@gmail.com> <20150511085759.71deeb64@gandalf.local.home> <20150511171916.GN6776@linux.vnet.ibm.com> <20150511102744.9ebb2d05a7e8b457d03430bf@linux-foundation.org> <20150511173305.GC32512@lerouge> X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.25; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 11 May 2015 19:33:06 +0200 Frederic Weisbecker wrote: > On Mon, May 11, 2015 at 10:27:44AM -0700, Andrew Morton wrote: > > On Mon, 11 May 2015 10:19:16 -0700 "Paul E. McKenney" wrote: > > > > > On Mon, May 11, 2015 at 08:57:59AM -0400, Steven Rostedt wrote: > > > > > > > > NO_HZ_LEAVE_ME_THE_FSCK_ALONE! > > > > > > NO_HZ_OVERFLOWING? > > > > Actually, "NO_HZ" shouldn't appear in the name at all. The objective > > is to permit userspace to execute without interruption. NO_HZ is a > > part of that, as is NO_INTERRUPTS. The "NO_HZ" thing is a historical > > artifact from an early partial implementation. > > Agreed! Which is why I'd rather advocate in favour of CONFIG_ISOLATION. Then we should have CONFIG_LEAVE_ME_THE_FSCK_ALONE. Hmm, I guess that's just an synonym for CONFIG_ISOLATION. -- Steve