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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B144DC433F5 for ; Tue, 10 May 2022 14:46:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344809AbiEJOuF (ORCPT ); Tue, 10 May 2022 10:50:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46850 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344990AbiEJOt1 (ORCPT ); Tue, 10 May 2022 10:49:27 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB538B86F; Tue, 10 May 2022 07:09:51 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 7E4BEB81B18; Tue, 10 May 2022 14:09:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30DCBC385C2; Tue, 10 May 2022 14:09:48 +0000 (UTC) Date: Tue, 10 May 2022 10:09:46 -0400 From: Steven Rostedt To: "Paul E. McKenney" Cc: Uladzislau Rezki , Joel Fernandes , Alison Chaiken , Sebastian Andrzej Siewior , LKML , RCU , Frederic Weisbecker , Neeraj Upadhyay , Oleksiy Avramchenko Subject: Re: [PATCH] rcu/nocb: Add an option to ON/OFF an offloading from RT context Message-ID: <20220510100946.5fdff700@gandalf.local.home> In-Reply-To: <20220509183934.GQ1790663@paulmck-ThinkPad-P17-Gen-1> References: <20220506182425.GC1790663@paulmck-ThinkPad-P17-Gen-1> <20220507223247.GK1790663@paulmck-ThinkPad-P17-Gen-1> <20220508213222.GL1790663@paulmck-ThinkPad-P17-Gen-1> <20220509033740.GM1790663@paulmck-ThinkPad-P17-Gen-1> <20220509181417.GO1790663@paulmck-ThinkPad-P17-Gen-1> <20220509183934.GQ1790663@paulmck-ThinkPad-P17-Gen-1> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 9 May 2022 11:39:34 -0700 "Paul E. McKenney" wrote: > This allows your current RCU_NOCB_CPU_CB_BOOST with something like > this in place of the "default n": > > default y if PREEMPT_RT > default n if !PREEMPT_RT BTW, I don't think you need the !PREEMPT_RT, because all configs are 'n' by default. That is: default y if PREEMPT_RT should be good enough. -- Steve