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 487A7C3DA4A for ; Mon, 5 Aug 2024 13:41:31 +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-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Y2QxWUNlG/vyKJA0HjG5g4K25c6YsgyX3RGDnUFHo5w=; b=zQKC3VEtebTypRSlbpF/nlDIPG 9yPXrLSdjWLwiWG0rd3MShPHpUq1g5ZFdhQyV2Ta3VSN4njoUSstF5ALvxXWYpD6nYLsjGzjIPJCB rD6Y5wv8sO65LMV2VmDKu72aJ6FrdYAv1cRzQQepadovIETNk6nLR5+26IbkqR/odoUjO3c3odi4b k8WicXFLLDnYo+qoQ/DHOndt6v74fWWgcO2rIQl3LOYnAacO3YQypR0dEAiVFA495YTP77KkpOklb zVpC4mrBHfTlCI1qCMuqtiIxCLOFfw6YTHu2gPp4FSlkyey2MRZ0rc53X80EC0ATJ+7wkBMPA3U2T JXA1d40w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1saxxi-0000000FzCo-14pQ; Mon, 05 Aug 2024 13:41:22 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1saxx7-0000000FyyZ-1Qzr for linux-arm-kernel@lists.infradead.org; Mon, 05 Aug 2024 13:40:46 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id BBBD160C76; Mon, 5 Aug 2024 13:40:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BDE7BC32782; Mon, 5 Aug 2024 13:40:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722865244; bh=XY+dscO9tTyktveRJky0Xx7/WBsaLA+Ui51Oy0cLUDc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=C3BQJDYYx66efgPjMKURA+QQYAxvi0RIAhGRCzgLJ2L1AHbFimYq3qUHtzffd2x9l BRs21lCgh73vlRdRTqiuHjBQvmoEYZodIS5ZugI7CgzzhkzXdScWM8FxN4THztm8KC r+UqkerC5BXyjCAZRKNv3VT6L5jVv4MxCl8ZXKVB3G79hfGT0lEGL7sl269MFx3K8H dLnqcC9srRu7/fdl8jVpV9+seYxPE3g+iRYLhfXp4eJr/m5h8/pL8w0S9MH3gXE4Yq WFG/avuc0uK53O3UyLiHvFv2nYNVqH5qt5awDzMIWBSsJdO4ZZK/UkPZjtFfGxhk7n Ci83Kquml7mzA== Date: Mon, 5 Aug 2024 14:40:39 +0100 From: Will Deacon To: Bjorn Helgaas Cc: steven , linux-pci@vger.kernel.org, Robin Murphy , Joerg Roedel , linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, Vidya Sagar , Pavan Kondeti Subject: Re: does dtb not support pci acs enable? Message-ID: <20240805134038.GA9669@willie-the-truck> References: <20240801234356.GA128584@bhelgaas> <20240802000042.GA129381@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240802000042.GA129381@bhelgaas> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240805_064045_456377_9BD5BE86 X-CRM114-Status: UNSURE ( 9.98 ) X-CRM114-Notice: Please train this message. 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 Thu, Aug 01, 2024 at 07:00:42PM -0500, Bjorn Helgaas wrote: > On Thu, Aug 01, 2024 at 06:43:59PM -0500, Bjorn Helgaas wrote: > > [+cc ARM, IOMMU folks; I don't know the answer, but maybe they do] > > [+cc Vidya, Pavan, also see this recent thread: > https://lore.kernel.org/r/PH8PR12MB667446D4A4CAD6E0A2F488B5B83F2@PH8PR12MB6674.namprd12.prod.outlook.com] Specifically, it would be great to know if the diff from Pavan at the end of that thread [1] helps you, Steven. Will [1] https://lore.kernel.org/r/f551eecc-33fa-4729-b004-64a532493705@quicinc.com