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=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_MED, URIBL_BLOCKED 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 7D3DCC433F4 for ; Wed, 29 Aug 2018 18:45:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1865D204FD for ; Wed, 29 Aug 2018 18:45:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lixom-net.20150623.gappssmtp.com header.i=@lixom-net.20150623.gappssmtp.com header.b="oZq4v44R" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1865D204FD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lixom.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 S1727661AbeH2WnM (ORCPT ); Wed, 29 Aug 2018 18:43:12 -0400 Received: from mail-lj1-f196.google.com ([209.85.208.196]:46489 "EHLO mail-lj1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726279AbeH2WnM (ORCPT ); Wed, 29 Aug 2018 18:43:12 -0400 Received: by mail-lj1-f196.google.com with SMTP id 203-v6so5178799ljj.13 for ; Wed, 29 Aug 2018 11:44:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lixom-net.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=vaD+mFxM4LZn4eEf20P0UuDNQjJ+LELHU1q0AUBil+g=; b=oZq4v44R1EZnHk5EL4W8ZpfMqNsfl4rGSBgp6Mc0r3v6FKOJIc/JnPNwR2MZvEjZh7 iT5zA8YRHsqUZBYTtVgjCD600xVWN0C3NEnBJU2jIMDyLTK0MpScEawMqQTUjXEmwPeC +cG7pFjKx0YORF+2JF+7UsG37XkW6OE6tqILuVYOC9OGN0vliBY4HAQvajhcajvZPEP+ X5hsfc9u+O6aO8AJJF3wEWw3c+HjnjQ6A2sZDkBVwrAfuDAeU9or4vZVAacRzsFHbJs2 8ho2MtOLtFO2Yt/3f9B0uFg4JPQhRaxM0SS8QyN/sP6mWjWGqYAc0wjUal5T4jxd+16b 9kWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=vaD+mFxM4LZn4eEf20P0UuDNQjJ+LELHU1q0AUBil+g=; b=Wx0Rc3NrznF9CS1BdExO9T3BU3KW6LvkROebfC13EoDUX7Ld2un2NhgRJa8UogHmni vK6nOTSzkYGXt55E53s4yps0scutxNtlvOmMyIWZRn9TQBREivMlkwFVlTe2R2414ef0 kzu2NhbkZgQsDCbe0kPWF2C3LlnBlL7MZtnPAeu7P/HGUbGPujlN4uXAhmvx/RWkTmq1 jXx2WozMKshIAi/5OMrn8yrRoum1kz1BVWKcXw8fQn+OmuvYVQ0fXUXl6fZaDwtVO5U5 SdCqgSmWf+5M3+e1E3OCIf2oOWvmedHworrLo7A7124yBBheMo9UmoE1rX8W71OvPc7J 49sg== X-Gm-Message-State: APzg51C1xkwpJ8ohaxpclZSoou9tWVvCFUp8mS3GMrGcqrZq54LO6f3P UvCGGs4eq1NmeehHe7mbuHtAVbbBXXvXjgFYg/ckQA== X-Google-Smtp-Source: ANB0VdZZPg+b/gXLlou5T/5ttWJabL5aFy3IHpTpW21PwpNW5Hs83KP1pdvEdMm0XoP/Es7dNFfOx2aO9stMkeG/ScY= X-Received: by 2002:a2e:9d0c:: with SMTP id t12-v6mr5051484lji.75.1535568298958; Wed, 29 Aug 2018 11:44:58 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a19:dd41:0:0:0:0:0 with HTTP; Wed, 29 Aug 2018 11:44:58 -0700 (PDT) X-Originating-IP: [2620:10d:c090:200::5:903a] In-Reply-To: <1535563287-24803-1-git-send-email-scott.branden@broadcom.com> References: <1535563287-24803-1-git-send-email-scott.branden@broadcom.com> From: Olof Johansson Date: Wed, 29 Aug 2018 11:44:58 -0700 Message-ID: Subject: Re: [PATCH] arm64: defconfig: enable EFI_ARMSTUB_DTB_LOADER To: Scott Branden , Ard Biesheuvel Cc: Catalin Marinas , Will Deacon , Arnd Bergmann , BCM Kernel Feedback , Linux ARM Mailing List , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Wed, Aug 29, 2018 at 10:21 AM, Scott Branden wrote: > Enable EFI_ARMSTUB_DTB_LOADER to add support for the dtb= command line > parameter to function with efi loader. > > Required to boot on existing bootloaders that do not support devicetree > provided by the platform or by the bootloader. > > Fixes: 3d7ee348aa41 ("efi/libstub/arm: Add opt-in Kconfig option for the DTB loader") > Signed-off-by: Scott Branden Why did Ard create an option for this if it's just going be turned on in default configs? Doesn't make sense to me. It would help to know what firmware still is crippled and how common it is, since it's been a few years that this has been a requirement by now. -Olof From mboxrd@z Thu Jan 1 00:00:00 1970 From: olof@lixom.net (Olof Johansson) Date: Wed, 29 Aug 2018 11:44:58 -0700 Subject: [PATCH] arm64: defconfig: enable EFI_ARMSTUB_DTB_LOADER In-Reply-To: <1535563287-24803-1-git-send-email-scott.branden@broadcom.com> References: <1535563287-24803-1-git-send-email-scott.branden@broadcom.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Wed, Aug 29, 2018 at 10:21 AM, Scott Branden wrote: > Enable EFI_ARMSTUB_DTB_LOADER to add support for the dtb= command line > parameter to function with efi loader. > > Required to boot on existing bootloaders that do not support devicetree > provided by the platform or by the bootloader. > > Fixes: 3d7ee348aa41 ("efi/libstub/arm: Add opt-in Kconfig option for the DTB loader") > Signed-off-by: Scott Branden Why did Ard create an option for this if it's just going be turned on in default configs? Doesn't make sense to me. It would help to know what firmware still is crippled and how common it is, since it's been a few years that this has been a requirement by now. -Olof