From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 408DF31618F; Tue, 25 Nov 2025 11:40:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764070842; cv=none; b=ua0Kge3uzGMPQUp3USY2dAJkOfoQf7go5ZhIhL7/DjCG9g56tQmq9Is9fzVCI8nuwms9t0IbEa5PVVAjc9Gjb2GvImHWLj7nN3a3StQXGICkloRSO7/920X5/yEqQDlkebNQWb/42R9TalaAdf5iJlgHnZnN9oz+IvddB14GNl4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764070842; c=relaxed/simple; bh=zoilOKj8xpK77BIBvwS1r4ulMQuZUA1mGpZf+vNcPGs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=J13fO9nL4NDa5kyCHe6AKWqvCsnqr/nzT082xjiQmv7T7qW7QcXbo8OlWjNhKrb0jfGcFlGe3JeD9Z+PoGrYCaLrl3GRWRIA1+dea6OelwqcpRIjOFXJCXaymyv3+3wK8PWV69/Hjh7oTUixVRdXPoVaiTuD8wSQ5oeVQJjGM9o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dpl8KS9A; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dpl8KS9A" 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> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: 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