Received: by 2002:ac0:a5a6:0:0:0:0:0 with SMTP id m35-v6csp2013607imm; Sun, 9 Sep 2018 13:48:43 -0700 (PDT) X-Google-Smtp-Source: ANB0VdbaMkPTPVMEjTmTeniq2DJKbNwYDGpIAtkPHnkTBJPCEGYk9KLiPwhHUljan7YBdQMNYrEv X-Received: by 2002:a17:902:bc8b:: with SMTP id bb11-v6mr18382049plb.112.1536526123220; Sun, 09 Sep 2018 13:48:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1536526123; cv=none; d=google.com; s=arc-20160816; b=KHqbsgUGRSxAOj3wLpgLzw7di77znXgRR5GuOwx4ZZ33zhEa/pO+Jweoddc2guLqU+ rTix8fzh59K5Oywo2RGlk+UPptMHbyLMnDvGAtaLqk+AS8bDH6hfuGIPFU0n6oHkLb3b eSXomF0tLBdPnaDlkfUN+SkwV+Tqg/HPSoM7YJsw/TKg7br0b7bOXN9AEv51L1t3LVHJ pL3o44rGypMSqBfjZ5P44IgZi28WepDMLB4kvG+3uWhotTsgLUuMhCZGXu7/hUtDGnoA UuWZRYsOqg3vDq/bVzIepl1PQwfsODNOYTUXS97ojk+pSFilrjxWXcv0vQsUHCncy9n+ +TpA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :organization:references:in-reply-to:message-id:subject:cc:to:from :date; bh=GVVnbvY4UW0u59SI/zKvwp4E+WZNzOjlAsc1tHXoNtM=; b=AnhiwpE/Bq88pS8s1NnhLd7yG6kDGA12aaMCNOeB8b729STYbxGw350XxoYBZKVMZ1 m3Ve3gHzmWzu6XBQdvV/Ax3ODZhgK3TCHsmv3OZ1YgiXrzm7OqHZ0BRuv+VylmNiULmI 8xgfOsZ4Ll8v1hnOTUHaa++UBNnXgs3rsOGxyi1WtpDQ7Mv6z/1LZ/WK7bom5a5VNRGV m8jK6auMtxjRWM4j3IfoKGfdKuljrbw195ur+MgZoFCnK0cwfiQ3a30bY4tYsIRMKZE2 WbGxHloTNMBmBZM6oOPeoAZjOPQJFlNcqtpPIqsjZlHfOgZSPEUD9ehqnoNZa4vAMSpq Flpg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id e7-v6si15949098pgm.649.2018.09.09.13.48.26; Sun, 09 Sep 2018 13:48:43 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726725AbeIJBiK (ORCPT + 99 others); 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