Received: by 2002:ac0:bc90:0:0:0:0:0 with SMTP id a16csp1552405img; Tue, 19 Mar 2019 10:03:58 -0700 (PDT) X-Google-Smtp-Source: APXvYqzVpv0H0vyePUJdI/YnwJ9idjIujC9YOZcN60/AHCaFh3pGZMwQfXg11jaUYCc7OokPe15j X-Received: by 2002:a17:902:a7:: with SMTP id a36mr3586995pla.267.1553015038455; Tue, 19 Mar 2019 10:03:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1553015038; cv=none; d=google.com; s=arc-20160816; b=tnTCo0qDyjplKK5822bSjjrszZFWytGblFxGHIzTRmCmWrbMdRyk4dkVXldsQHhM3y Ye9WsTj8SrnlihJc9Jz3nSU7yvTst1WMQx9nsBmrOYQgeJcd+uyChBVG4sM0tgSXi8cu qpTuhq/pKl064f8Mk79UCxuaJDkStU8fUYc5eFCLMpEk+or2k+gFvFKW1ipIk7TXVK63 Ec6+sFJzRSGoKjG3DtsZduN4aTUYF3psZhhEHndN5MExJmpQ0yjJL03Cbmcfk+Hw4SRn Z3RYmSE07cSXNtfn8su6GP5ud9RHX/uqJ16RSF8GUL0tEqiDPHPxo9URxK/pSiVg2gzg zRBA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=6GaG8+hyabYdjaoRVTrgFKeCD1k3dv0BN+DLlZXr4bA=; b=F8RiAmGPsmF8+5W1ljwQbLaqAHXQ+vO09JMGu0WobVZA6PfBm3Vt1oCZ8KOrjoiOlT PZuJ10eNxF+f6Q37avrgXCVNJDDXWJkQEubg8EEakyUaUDMG5U9rQExtwcHQZArUygPL /0Ths9Th32Ba3ikVjriad/NkBIJ9h5k5pzhxJAQNcYgPlKIIU8p6WvNqTaCe9wOVyXLE hNP7pqk77l/0whWe3YRCRn7rbBEZ/33XKUqVekACY+s7WrSvYhvKjqgbHUzsXBRqkCKm kE6trP/NisuIJyiD4DtQWZog3xo/pCc1ZfnD1Z4ljvSywzZ6ZCcBAbG+JDB8R7NEJNvu 4klg== 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 w3si12293990pll.417.2019.03.19.10.03.42; Tue, 19 Mar 2019 10:03:58 -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 S1727235AbfCSRCe (ORCPT + 99 others); Tue, 19 Mar 2019 13:02:34 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:33645 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726860AbfCSRCe (ORCPT ); Tue, 19 Mar 2019 13:02:34 -0400 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1h6I8D-0002Ir-Gn; Tue, 19 Mar 2019 18:02:29 +0100 Date: Tue, 19 Mar 2019 18:02:29 +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: <20190319170229.zzecy2cqrbl5kuc3@linutronix.de> References: <20190315111130.4902-1-bigeasy@linutronix.de> <20190318022434.GE4102@linux.ibm.com> <20190319114419.qlsw3i5bmndoyvao@linutronix.de> <20190319155923.GY4102@linux.ibm.com> <20190319162431.4w2dqtssqkx6t4pq@linutronix.de> <20190319165007.GB4102@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20190319165007.GB4102@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 09:50:07 [-0700], Paul E. McKenney wrote: > Besides, it looks very weird for me to have two Signed-off-by lines. ;-) See commit 602cae04c4864 ("perf/x86/intel: Delay memory deallocation until x86_pmu_dead_cpu()") > In theory, the trace_rcu_utilization() should be added, just like at > the beginning and end of the function rcu_core(), but as far as I know, > no one uses that, so I actually have it on my list to remove. oki. Then nothing should be done :) > Thanx, Paul Sebastian