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 ABC0BC433EF for ; Tue, 10 May 2022 14:42:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240460AbiEJOq0 (ORCPT ); Tue, 10 May 2022 10:46:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44166 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345108AbiEJOno (ORCPT ); Tue, 10 May 2022 10:43:44 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3EB7784EC3; Tue, 10 May 2022 07:01:41 -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 1A359B81038; Tue, 10 May 2022 14:01:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 84B01C385C2; Tue, 10 May 2022 14:01:37 +0000 (UTC) Date: Tue, 10 May 2022 10:01:35 -0400 From: Steven Rostedt To: Uladzislau Rezki Cc: "Paul E. McKenney" , 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: <20220510100135.62a4f7df@gandalf.local.home> In-Reply-To: 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> 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 20:28:26 +0200 Uladzislau Rezki wrote: > I see that Paul would like to keep it for CONFIG_PREEMPT_RT, because it > was mainly designed for that kind of kernels. So we can align with Alison > patch and her decision, so i do not see any issues. So far RT folk seems > does not mind in having "callback-kthreads" as SCHED_FIFO :) That's because RT folks set the threads they care about to a higher RT priority than the kthreads. ;-) -- Steve