From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761637AbbEERCJ (ORCPT ); Tue, 5 May 2015 13:02:09 -0400 Received: from smtprelay0064.hostedemail.com ([216.40.44.64]:58215 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753125AbbEERBw (ORCPT ); Tue, 5 May 2015 13:01:52 -0400 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 30,2,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::,RULES_HIT:41:355:379:541:599:800:960:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1537:1566:1593:1594:1711:1714:1730:1747:1777:1792:2393:2553:2559:2562:3138:3139:3140:3141:3142:3622:3866:3867:3871:3872:3874:4559:5007:6261:7875:10010:10400:10848:10967:11232:11658:11914:12198:12517:12519:12740:13069:13311:13357:21080,0,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:0:1:0 X-HE-Tag: start78_2d35d09fbf449 X-Filterd-Recvd-Size: 1505 Date: Tue, 5 May 2015 13:01:49 -0400 From: Steven Rostedt To: Thomas Gleixner Cc: Mike Galbraith , Ronny Meeus , LKML , Peter Zijlstra Subject: Re: [PATCH] sched: Handle priority boosted tasks proper in setscheduler() Message-ID: <20150505130149.44d2cc80@gandalf.local.home> In-Reply-To: References: <20150505122920.7861907d@gandalf.local.home> <20150505124244.1f154dc9@gandalf.local.home> 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 Tue, 5 May 2015 18:50:17 +0200 (CEST) Thomas Gleixner wrote: > Crap. Yes, I missed that. So __setscheduler() assumes that there is no > boosting going on. So we need: > > p->prio = effective_prio(p); > > there instead. Of course then we need to do something about normalize_task() (for sysrq), which depends on it being normal_prio(). -- Steve