From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932446AbcA2Pt5 (ORCPT ); Fri, 29 Jan 2016 10:49:57 -0500 Received: from smtprelay0116.hostedemail.com ([216.40.44.116]:45609 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932090AbcA2Ptz (ORCPT ); Fri, 29 Jan 2016 10:49:55 -0500 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::::::::::,RULES_HIT:41:355:379:541:599:800:960:973:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1539:1593:1594:1711:1730:1747:1777:1792:2393:2553:2559:2562:2693:3138:3139:3140:3141:3142:3352:3622:3865:3867:3868:3871:3872:3873:3874:5007:6261:7875:7903:10004:10400:10848:10967:11232:11658:11914:12517:12519:12740:13069:13311:13357:14659:21063:21080:30045:30054:30090:30091,0,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,LFtime:2,LUA_SUMMARY:none X-HE-Tag: wood21_56271dfb87747 X-Filterd-Recvd-Size: 1807 Date: Fri, 29 Jan 2016 10:49:50 -0500 From: Steven Rostedt To: Josh Poimboeuf Cc: Jessica Yu , Seth Jennings , Jiri Kosina , Vojtech Pavlik , Miroslav Benes , Ingo Molnar , live-patching@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] ftrace: Adjust priority of ftrace module notifier Message-ID: <20160129104950.041f7522@gandalf.local.home> In-Reply-To: <20160129154505.GF4081@treble.redhat.com> References: <1454049827-3726-1-git-send-email-jeyu@redhat.com> <1454049827-3726-3-git-send-email-jeyu@redhat.com> <20160129093800.6c739e40@gandalf.local.home> <20160129154505.GF4081@treble.redhat.com> X-Mailer: Claws Mail 3.13.1 (GTK+ 2.24.29; 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 Fri, 29 Jan 2016 09:45:05 -0600 Josh Poimboeuf wrote: > If we do that then I still think it would be a good idea to split up the > livepatch notifiers, with: > > - INT_MAX-1 for coming so that relocations are all written before any > other notifiers (besides ftrace) get a chance to run. > > - INT_MIN-1 for going. I don't have a good specific reason, but I think Do you mean INT_MIN+1 ? -- Steve > the symmetry will create less surprises and possibly fewer bugs if the > module's patched state as seen by the other notifiers is the same for > coming and going. >