From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75895C3A5A2 for ; Fri, 23 Aug 2019 16:32:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4D68121726 for ; Fri, 23 Aug 2019 16:32:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2436749AbfHWQcf convert rfc822-to-8bit (ORCPT ); Fri, 23 Aug 2019 12:32:35 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:36275 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726964AbfHWQcf (ORCPT ); Fri, 23 Aug 2019 12:32:35 -0400 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1i1CUK-00061b-MW; Fri, 23 Aug 2019 18:32:32 +0200 Date: Fri, 23 Aug 2019 18:32:32 +0200 From: Sebastian Andrzej Siewior To: "Paul E. McKenney" Cc: Scott Wood , linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org, Joel Fernandes , Thomas Gleixner , Peter Zijlstra , Juri Lelli , Clark Williams Subject: Re: [PATCH RT v2 3/3] rcu: Disable use_softirq on PREEMPT_RT Message-ID: <20190823163232.zvs3gdcf2sxffbg5@linutronix.de> References: <20190821231906.4224-1-swood@redhat.com> <20190821231906.4224-4-swood@redhat.com> <20190821234018.GW28441@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8BIT In-Reply-To: <20190821234018.GW28441@linux.ibm.com> User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019-08-21 16:40:18 [-0700], Paul E. McKenney wrote: > Save a couple of lines? > > static bool use_softirq = !IS_ENABLED(CONFIG_PREEMPT_RT_FULL); > > And if I understand your point above, the module_param() might be > able to be the same either way given the new RCU. But if not, > at least we get rid of the #else. I *think* we wanted this. And while I took the RCU patches for v5.2 I forgot to enable it by default… > Thanx, Paul Sebastian