Received: by 2002:ac0:a874:0:0:0:0:0 with SMTP id c49csp452247ima; Fri, 15 Mar 2019 06:36:54 -0700 (PDT) X-Google-Smtp-Source: APXvYqyZn93Mjkp56x5YAxOUNPMxjbQv1AOyXZP7qe6sAXEajZtK7qwozmu+K0h030M0n+L8GLCs X-Received: by 2002:a17:902:6b49:: with SMTP id g9mr4342153plt.291.1552657014202; Fri, 15 Mar 2019 06:36:54 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1552657014; cv=none; d=google.com; s=arc-20160816; b=Fyytret46PWh4g8rva5Ivqs1MSmaopq65BIuAGwYXxCDZ/rLrfsPoPuWytOSr3k+AN 0OeAYeiJDfPGR57ZjgCdAhkd6Mgapi9Qazv1K6h71g4XsAqcmsmiULY25IUeyQ5mI7N+ 0vlEKQhLwMPiA5X57WykX0bXVba/aTiNR2hsJKL0tBjOHnkmjt2xadBdC/15L8Q/Gjhx zb/upkJMugsRaFbgZZojGBYQBTLskarvTqybM2fr6iTihg4ZD4Dqo7B3in09AzUdqcAM 8ta2yEi5ruTW5GizqpsGwR+eFunGZxgO3lvdAgiFRAx9AXvQ9hx23JpwJZVNuDw5zlzK fU5g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=+mLyfgtpei/nNUoAUxV8iGCZiLnB9RPpiTorvhWRSVY=; b=ULTqeccO8cziKz0pMLuyjbixAanX88CfMGmH85jjIcjxvCOdckI2EuohMJqy3SvgBd NG7N9gNC09E9KO4dO9QZzhyFR8I8mi5YAqEWfNsmSV40hgYYYwQ4dWL5M9hIfuwPenb1 jYc17+3/fsF42K9o9AZjdThbCLhWmYCpRaLV/QL4uR9p7L8aSlWsVR6ox5mI/0RY6uUL o545JamN6v3N0uTxsMCcDPTDWTHAvXhcWPuLoSbNtACkAjgcrPEzgdn7c5TioWZA4hRJ so1Xouw7S+LtyiTKAdT2/raP8McagmtLA2DLDaRWvoHypAPMw+Wk3SQ9WTjdWfJsQFfr KzLA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id q24si1953553pfh.127.2019.03.15.06.36.38; Fri, 15 Mar 2019 06:36:54 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729121AbfCONfr (ORCPT + 99 others); Fri, 15 Mar 2019 09:35:47 -0400 Received: from mail.kernel.org ([198.145.29.99]:34550 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728777AbfCONfr (ORCPT ); Fri, 15 Mar 2019 09:35:47 -0400 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CD8E521019; Fri, 15 Mar 2019 13:35:45 +0000 (UTC) Date: Fri, 15 Mar 2019 09:35:44 -0400 From: Steven Rostedt To: Sebastian Andrzej Siewior Cc: linux-kernel@vger.kernel.org, Josh Triplett , Mathieu Desnoyers , Lai Jiangshan , Joel Fernandes , tglx@linutronix.de, "Paul E. McKenney" , Mike Galbraith Subject: Re: [PATCH] rcu: Allow to eliminate softirq processing from rcutree Message-ID: <20190315093544.2bfe93f6@gandalf.local.home> In-Reply-To: <20190315111130.4902-1-bigeasy@linutronix.de> References: <20190315111130.4902-1-bigeasy@linutronix.de> X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 15 Mar 2019 12:11:30 +0100 Sebastian Andrzej Siewior wrote: > +static void rcu_cpu_kthread_park(unsigned int cpu) > +{ Should we add one of the trace_rcu_.. trace events here? -- Steve > + per_cpu(rcu_cpu_kthread_status, cpu) = RCU_KTHREAD_OFFCPU; > +} > +