Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp4031967ybl; Mon, 3 Feb 2020 11:12:16 -0800 (PST) X-Google-Smtp-Source: APXvYqyD4/EUiops3gGlNum4GZTj9owNQBjK4tY4zSKcH/vUiQj+f0OYMUiqADhcHeyanVk44m4h X-Received: by 2002:aca:ab0f:: with SMTP id u15mr416992oie.26.1580757136115; Mon, 03 Feb 2020 11:12:16 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1580757136; cv=none; d=google.com; s=arc-20160816; b=UAkhlIaFk+h+i8whvHsLr0crCs8XMABrO6+2Yz65c1maDaG+GEIeEgI+5yTaKQ1Vh7 ZD0nPYMuW/Tord1Licf3KvWbRSyDw+S7Hx0VGc+//yAiRETNoJ3zuj6otaho7+qGecu7 Ksdt/glPLaRYTqzr0JogAriknYOLYSXEuFqHy5s9dSWZka0yqNq/MBtLghbHduz7LNri Dk50oM0SzSMN3J0en/gZBI2oc60seVRxfsa7ARbwYDjFmUi+zFI+wVvFvt5Y2DH+drgx KMtjHb+NRTvZabnNAExUfbE221Yceb5dlOus11/Dh7biaFoWKkR1Ogtdd92A7dVZkRYQ Fu5w== 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:dkim-signature; bh=e9fIzmN2gtsallrvdt7Z/R8XE2nQwt5hZa9qTACOR88=; b=0Xv2fVlV0qysHKmJRdOKylDvlkJJ01tYVRBHabiT+wIb/HLD6dvCkvCdmU2z3kGGZj W5vIklybwOa7BMP+0iV35uhM+IdOdtQz3QcWRY0dIHzoQzg2R+CaHfmaGocFZmlagrue 6R2gkC7drbp+MXpfwZfx7wtcXr3vXytuV1z6InLcDzOaumYAazM0vTOWNeowL1tLVyPs /mweAzyrC9Uj1jxyIZaw4pGiHAXFrophPefgQVrVt4MRqBUNacM/tPJGvTXnipjCNi8r wYO2P69FTCj9+fHZ/pgqBguU9sSlLvv/UolASN7KHCHDp50Tdaq/YYrKaZmRsdaLT+KG tnXA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=nARYeB+4; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x198si8021238oif.108.2020.02.03.11.12.04; Mon, 03 Feb 2020 11:12:16 -0800 (PST) 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; dkim=pass header.i=@kernel.org header.s=default header.b=nARYeB+4; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728653AbgBCSIg (ORCPT + 98 others); Mon, 3 Feb 2020 13:08:36 -0500 Received: from mail.kernel.org ([198.145.29.99]:59340 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728433AbgBCSIf (ORCPT ); Mon, 3 Feb 2020 13:08:35 -0500 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (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 607D620838; Mon, 3 Feb 2020 18:08:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580753315; bh=4eD3rDXxW60j+H1NP2OqAujGFcgndqdD6vtGqWg5yII=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=nARYeB+4A7YHVm5QW3bw9H1KvX35gnxpIa8D9P+RvoHIG7wGRprjacjtTdkSNIQkL rBs9agFUqGBOZBNzwWO1Qz/Ua7SWHFrTjnaOWiF9m/t8+cM5oRmA7luMJ2xFsWrc4u 4XNJQg3uCwb6llteHfZqljM4+YqsJNG3aWhYMhuI= Date: Mon, 3 Feb 2020 18:08:30 +0000 From: Will Deacon To: Peter Zijlstra Cc: mingo@kernel.org, oleg@redhat.com, tglx@linutronix.de, linux-kernel@vger.kernel.org, bigeasy@linutronix.de, juri.lelli@redhat.com, williams@redhat.com, bristot@redhat.com, longman@redhat.com, dave@stgolabs.net, jack@suse.com Subject: Re: [PATCH -v2 0/7] locking: Percpu-rwsem rewrite Message-ID: <20200203180829.GA12136@willie-the-truck> References: <20200131150703.194229898@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200131150703.194229898@infradead.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 31, 2020 at 04:07:03PM +0100, Peter Zijlstra wrote: > This is the long awaited report of the percpu-rwsem rework (sorry Juri). > > IIRC (I really have trouble keeping up momentum on this series) I've addressed > all previous comments by Oleg and Davidlohr and Waiman and hope we can stick > this in tip/locking/core for inclusion in the next merge. > > It has been cooked (thoroughly) in PREEMPT_RT, and not found wanting. > > Any objections to me stuffing it in so we can all forget about it properly? Whole series looks fine to me and it also passes my arm64 build tests, so: Acked-by: Will Deacon Will