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=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_NEOMUTT autolearn=ham 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 A983FC43381 for ; Tue, 19 Mar 2019 16:24:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 785D620854 for ; Tue, 19 Mar 2019 16:24:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727970AbfCSQYg (ORCPT ); Tue, 19 Mar 2019 12:24:36 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:33461 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727102AbfCSQYf (ORCPT ); Tue, 19 Mar 2019 12:24:35 -0400 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1h6HXT-0001Me-I6; Tue, 19 Mar 2019 17:24:31 +0100 Date: Tue, 19 Mar 2019 17:24:31 +0100 From: Sebastian Andrzej Siewior To: "Paul E. McKenney" Cc: linux-kernel@vger.kernel.org, Josh Triplett , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , Joel Fernandes , tglx@linutronix.de, Mike Galbraith Subject: Re: [PATCH v2] rcu: Allow to eliminate softirq processing from rcutree Message-ID: <20190319162431.4w2dqtssqkx6t4pq@linutronix.de> References: <20190315111130.4902-1-bigeasy@linutronix.de> <20190318022434.GE4102@linux.ibm.com> <20190319114419.qlsw3i5bmndoyvao@linutronix.de> <20190319155923.GY4102@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20190319155923.GY4102@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 2019-03-19 08:59:23 [-0700], Paul E. McKenney wrote: > I doubt that there is any code left from my original, so I set you as > author. I always forward ported it the patch over the years. So if it is no longer what it was once so be it. > I queued this and am starting tests without setting rcunosoftirq, > and will run more later setting it, courtesy of --bootargs. oki. > Steve Rostedt did raise a good question about adding event tracing to > the park functions. I haven't really settled on an answer yet. Thoughts? It should trigger CPU hotplug events. If there was something similar for the softirq processing then the threaded processing should also have it. Please tell me which one should be added and I'm happy to add one. > Thanx, Paul > Sebastian