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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ABA29C4321E for ; Sun, 9 Sep 2018 20:47:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5714D2064D for ; Sun, 9 Sep 2018 20:47:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5714D2064D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lwn.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726761AbeIJBiK (ORCPT ); Sun, 9 Sep 2018 21:38:10 -0400 Received: from ms.lwn.net ([45.79.88.28]:38288 "EHLO ms.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726662AbeIJBiJ (ORCPT ); Sun, 9 Sep 2018 21:38:09 -0400 Received: from localhost.localdomain (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ms.lwn.net (Postfix) with ESMTPSA id 6101D6D9; Sun, 9 Sep 2018 20:47:13 +0000 (UTC) Date: Sun, 9 Sep 2018 14:47:11 -0600 From: Jonathan Corbet To: Grant Likely Cc: linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, olof@lixom.net, scott.branden@broadcom.com, catalin.marinas@arm.com, will.deacon@arm.com, arnd@arndb.de, leif.lindholm@linaro.org, agraf@suse.de, nd@arm.com, Ard Biesheuvel Subject: Re: [PATCH RESEND] efi_stub: update documentation on dtb= parameter Message-ID: <20180909144711.12261570@lwn.net> In-Reply-To: <20180906182927.22318-1-grant.likely@arm.com> References: <20180906182927.22318-1-grant.likely@arm.com> Organization: LWN.net X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 6 Sep 2018 19:29:27 +0100 Grant Likely wrote: > The dtb= parameter is no longer the primary mechanism for providing a > devicetree to the kernel. Now either firmware or the boot selector (ex. > Grub) should provide the devicetree and dtb= should only be used for > debug or when using firmware that doesn't understand DT. > Update the EFI stub documentation to reflect the current usage. > > Signed-off-by: Grant Likely > Reviewed-by: Alexander Graf > Acked-by: Leif Lindholm > Acked-by: Olof Johansson > Cc: Ard Biesheuvel Applied, thanks. jon