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[147.75.80.249]) by mx.google.com with ESMTPS id ew4-20020a056402538400b0056830c9142csi419272edb.100.2024.03.08.08.51.00 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Mar 2024 08:51:00 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-97332-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249; Authentication-Results: mx.google.com; arc=pass (i=1 spf=pass spfdomain=lst.de); spf=pass (google.com: domain of linux-kernel+bounces-97332-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-97332-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 679D31F23B32 for ; Fri, 8 Mar 2024 16:51:00 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 964AE200C0; Fri, 8 Mar 2024 16:50:30 +0000 (UTC) Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 8106718E03 for ; Fri, 8 Mar 2024 16:50:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709916630; cv=none; b=YZ8f3phPv9mi54Cgco7IhYqLpOIBn4QucpAcs4TVf5x79bn5ahCIa5EJTw49zwua/OQqi4JJ8oXWAFpRdjD9h3lwYMGNahtf/Mkx5xMEWGBvPLurJcXNb3BBy+QTHph1V5V2hc8r5dMR+jHaXKUyq5kppn1sWM4bgxVmszqVKkg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709916630; c=relaxed/simple; bh=i1Ee+3NTxTAHNdgHBDCqKa6qILKMpt+tuFxakbTmL34=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qmbkPfdBE5jLk7O1C5+0mbcrNeGpnAnO9Drb8peY4h2ChOym/QBv+91tUL206auok6VTAX3GCjqN4xy2arPQwZRijM6edSKwTgyttL8VIN4BtLoR5eMjaGNDENYyqnCi7FkK4SwYg4o7a3JKac7iPdeS2icHIH5RGPNPX1j+hAw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id 8661468BEB; Fri, 8 Mar 2024 17:50:25 +0100 (CET) Date: Fri, 8 Mar 2024 17:50:25 +0100 From: Christoph Hellwig To: Petr =?utf-8?B?VGVzYcWZw61r?= Cc: Robin Murphy , Will Deacon , linux-kernel@vger.kernel.org, kernel-team@android.com, iommu@lists.linux.dev, Christoph Hellwig , Marek Szyprowski , Petr Tesarik , Dexuan Cui , Nicolin Chen , Michael Kelley Subject: Re: [PATCH v6 6/6] swiotlb: Reinstate page-alignment for mappings >= PAGE_SIZE Message-ID: <20240308165025.GA18550@lst.de> References: <20240308152829.25754-1-will@kernel.org> <20240308152829.25754-7-will@kernel.org> <5c7c7407-5356-4e12-a648-ae695fe0d1cb@arm.com> <20240308173816.5351ea58@meshulam.tesarici.cz> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240308173816.5351ea58@meshulam.tesarici.cz> User-Agent: Mutt/1.5.17 (2007-11-01) On Fri, Mar 08, 2024 at 05:38:16PM +0100, Petr Tesařík wrote: > I thought we agreed that this stricter alignment is unnecessary: > > https://lore.kernel.org/linux-iommu/20240305140833.GC3659@lst.de/ > > But if everybody else wants to have it... Let's get the fixes in with the existing documented alignment, and then lift it in the next merge window with enough soaking time in linux-next.