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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A56D3D0E6C4 for ; Tue, 25 Nov 2025 11:40:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=eI4Qj6qTL1skfL35BV+mv8RhB1noI0KPetJJRz4wCvo=; b=UQ30ufuSjnAJano+j/3qXGxuDm m215JLUwNb1AD7kSDhPAk/+jZOSgbVxxiRovHUUvn1K6EU+D1/lsJVYy78EeJ5wyTmO2oQUEkLKXN tpjHPa0wdfZ7ycMgIuMeYhQuWJz1+HiZLBnEKfTMVojkA+mOoikgANXQvcxl0Wt+RG9NXvmsNwWz5 yyQVuSfBtvGpZ1KZBHVr4zLFCPg2NL8Zau9KpTHRhUFnO6umPswxJIPth9Ep7kFGP1fcbHis9dqn1 3ETEGzjSR7jnTC578/ogOln2+b3Vuan2Nyit+R+8bxXGhDKZkt/z3gHcGooCuCnP0/OZlgxzrrV8D /f7Qw/OA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNrPZ-0000000DEJq-2vIv; Tue, 25 Nov 2025 11:40:45 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNrPW-0000000DEJM-2Gzp for linux-arm-kernel@lists.infradead.org; Tue, 25 Nov 2025 11:40:43 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id E052243BC6; Tue, 25 Nov 2025 11:40:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 70D32C19421; Tue, 25 Nov 2025 11:40:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764070841; bh=zoilOKj8xpK77BIBvwS1r4ulMQuZUA1mGpZf+vNcPGs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=dpl8KS9As1NDLm97kiFeu1IfxvwOid1I4+QFq2AkU2cPQli+YNstBvz0OPIUmCQkr ybD4oqRTade84WAbIbdD1Thc0GWnIbGV/nyhfHBYDM6K0CiPg2Ha9S3YuMUb3Dke6m 8Pg5JuFMZ+gomLeoAzn0qxeY/azwbx3XIhwGF7DDDnURej080I6/b3HkUXfTyKJSlp kqhF7C9RZbRZUXhHIdN8oc1xcfMd5B9CL5mUfoMiOWfkCXcERJddMRq94FIb6oTtc3 ZWhqQtuaDi3scWijkOQDfSS6ZW0ZQ4TypCtbF2Zw5rNuAhtHC4qcE4LibVdk4fPOJA 37dOlyB7OklDg== Date: Tue, 25 Nov 2025 11:40:36 +0000 From: Will Deacon To: Frederic Weisbecker Cc: "Paul E. McKenney" , rcu@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@meta.com, rostedt@goodmis.org, Catalin Marinas , Mark Rutland , Mathieu Desnoyers , Sebastian Andrzej Siewior , linux-arm-kernel@lists.infradead.org, bpf@vger.kernel.org Subject: Re: [PATCH v2 15/16] srcu: Optimize SRCU-fast-updown for arm64 Message-ID: References: <20251105203216.2701005-15-paulmck@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251125_034042_629465_4C9D051C X-CRM114-Status: GOOD ( 16.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Nov 24, 2025 at 11:47:35PM +0100, Frederic Weisbecker wrote: > Le Mon, Nov 24, 2025 at 09:20:25AM -0800, Paul E. McKenney a écrit : > > On Mon, Nov 24, 2025 at 01:04:20PM +0000, Will Deacon wrote: > > > It landed in Linus' tree here: > > > > > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/arm64?id=535fdfc5a228524552ee8810c9175e877e127c27 > > > > Again, thank you, and Breno has started backporting it for use in > > our fleet. > > > > > Please can you drop the SRCU change from -next? It still shows up in > > > 20251121. > > > > This one? > > > > 11f748499236 ("srcu: Optimize SRCU-fast-updown for arm64") > > > > if so, Frederic, could you please drop this commit? > > Dropped, thanks! > > (And I'm glad to do so given how error-prone it can be). Thank you, both! Will