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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 autolearn=no 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 3DCFFC433E0 for ; Mon, 29 Jun 2020 20:29:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 244CF206A1 for ; Mon, 29 Jun 2020 20:29:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731838AbgF2U3f (ORCPT ); Mon, 29 Jun 2020 16:29:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:37024 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732150AbgF2TZW (ORCPT ); Mon, 29 Jun 2020 15:25:22 -0400 Received: from oasis.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 2D8F72538D; Mon, 29 Jun 2020 15:40:59 +0000 (UTC) Date: Mon, 29 Jun 2020 11:40:57 -0400 From: Steven Rostedt To: "Paul E. McKenney" Cc: Nicholas Piggin , Anton Blanchard , linux-kernel@vger.kernel.org Subject: Re: [PATCH] ring-buffer: speed up buffer resets by avoiding synchronize_rcu for each CPU Message-ID: <20200629114057.7a832299@oasis.local.home> In-Reply-To: <20200629153511.GX9247@paulmck-ThinkPad-P72> References: <20200625053403.2386972-1-npiggin@gmail.com> <20200629153511.GX9247@paulmck-ThinkPad-P72> X-Mailer: Claws Mail 3.17.3 (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 Mon, 29 Jun 2020 08:35:11 -0700 "Paul E. McKenney" wrote: > Looks plausible from an RCU viewpoint: > > Acked-by: Paul E. McKenney Thanks Nicholas, Anton and Paul, I'll pull this in and start testing it. -- Steve