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 28B1DC433F5 for ; Wed, 20 Apr 2022 16:26:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1380476AbiDTQ3Z (ORCPT ); Wed, 20 Apr 2022 12:29:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36268 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355807AbiDTQ3Y (ORCPT ); Wed, 20 Apr 2022 12:29:24 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84F5A30F7E; Wed, 20 Apr 2022 09:26:37 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 12BB6619F4; Wed, 20 Apr 2022 16:26:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5D706C385A0; Wed, 20 Apr 2022 16:26:35 +0000 (UTC) Date: Wed, 20 Apr 2022 12:26:33 -0400 From: Steven Rostedt To: patrick wang Cc: paulmck@kernel.org, frederic@kernel.org, quic_neeraju@quicinc.com, josh@joshtriplett.org, mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com, joel@joelfernandes.org, rcu@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] rcu: ftrace: avoid tracing a few functions executed in multi_cpu_stop() Message-ID: <20220420122633.55d4ff6b@gandalf.local.home> In-Reply-To: <20220420114454.69ab108c@gandalf.local.home> References: <20220418043735.11441-1-patrick.wang.shcn@gmail.com> <20220418143404.55c8fcab@gandalf.local.home> <20220420114454.69ab108c@gandalf.local.home> 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 Wed, 20 Apr 2022 11:44:54 -0400 Steven Rostedt wrote: > [*] You really should come up with a better way than stop machine, because > the stop machine method is really disruptive, can you not use the break > point method for updates? Talk about dejavu! https://lore.kernel.org/all/mhng-62c2ef00-fb64-48c3-a2bb-43b2799161bf@palmer-ri-x1c9/ -- Steve