From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754732AbbKLPQY (ORCPT ); Thu, 12 Nov 2015 10:16:24 -0500 Received: from smtprelay0050.hostedemail.com ([216.40.44.50]:56857 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753457AbbKLPQX (ORCPT ); Thu, 12 Nov 2015 10:16:23 -0500 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::::,RULES_HIT:41:355:379:541:599:800:960:973:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1539:1593:1594:1711:1714:1730:1747:1777:1792:2393:2553:2559:2562:3138:3139:3140:3141:3142:3350:3622:3865:3866:3867:3874:4321:5007:6261:7875:9707:10004:10400:10848:10967:11026:11232:11473:11658:11914:12043:12296:12438:12517:12519:12555:12740:13069:13311:13357:14659:21080:21088:30054:30090:30091,0,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: net52_377cd9848ba19 X-Filterd-Recvd-Size: 1647 Date: Thu, 12 Nov 2015 10:16:20 -0500 From: Steven Rostedt To: Peter Zijlstra Cc: Arnd Bergmann , Ingo Molnar , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Thomas Gleixner Subject: Re: [PATCH] sched/rt: hide push_irq_work_func declaration Message-ID: <20151112101620.2dcd5dce@gandalf.local.home> In-Reply-To: <20151112145331.GC17308@twins.programming.kicks-ass.net> References: <3810009.VdDTV0h1Qp@wuerfel> <20151112145331.GC17308@twins.programming.kicks-ass.net> X-Mailer: Claws Mail 3.13.0 (GTK+ 2.24.28; 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 Thu, 12 Nov 2015 15:53:31 +0100 Peter Zijlstra wrote: > On Thu, Nov 12, 2015 at 03:22:22PM +0100, Arnd Bergmann wrote: > > -#ifdef CONFIG_SMP > > +#if IS_ENABLED(CONFIG_SMP) && defined(HAVE_RT_PUSH_IPI) > > static void push_irq_work_func(struct irq_work *work); > > #endif > > I think we can get tid of the whole HAVE_RT_PUSH_IPI thing after: > 8053871d0f7f ("smp: Fix smp_call_function_single_async() locking") > > That should allow us to use smp_calling_function_single_async() instead > of irq_work_queue_on(), removing the dependency on irq_work. Interesting. I'll have to take a look at that. -- Steve