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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT 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 00DA8ECDE5F for ; Tue, 24 Jul 2018 00:25:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9F15020852 for ; Tue, 24 Jul 2018 00:25:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linaro.org header.i=@linaro.org header.b="aj8wXPUh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9F15020852 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org 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 S2388255AbeGXB2r (ORCPT ); Mon, 23 Jul 2018 21:28:47 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:39783 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388188AbeGXB2r (ORCPT ); Mon, 23 Jul 2018 21:28:47 -0400 Received: by mail-pf1-f195.google.com with SMTP id j8-v6so417630pff.6 for ; Mon, 23 Jul 2018 17:25:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:mail-followup-to:references :mime-version:content-disposition:in-reply-to:user-agent; bh=6Ik4vqvFWx4uxZdQU7M0tyqDzNlpH1K14DGGfZW0wfw=; b=aj8wXPUhkMYWc1IjXi6EKvGFcERKWFMKst0S+MRYpTl9/atpeFjASmKaKAQ+3+WVu8 DKPi/O+H7aea5IxKNRPWf4B7OHMOakFc9NfIeX1YSllCFx/OWAXU1yanrK0DZAfn+dJ2 lUiLSfNrNMNQCIT6gSaP61GUEMNEJjdVWPn+o= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id :mail-followup-to:references:mime-version:content-disposition :in-reply-to:user-agent; bh=6Ik4vqvFWx4uxZdQU7M0tyqDzNlpH1K14DGGfZW0wfw=; b=IOYmTkVE8etQNtYa554coxdLdLz25PlEfmbyUc60vm9lre0LyE4ofDNbyf+ja8GW7K brshCehJPzkFMIJ5tOJKOE9Thpd7IjuQpn7ffwJ3ZlCb9xWWt2wJ6exjudGNlPz7FTYa 6Dou0vvf8TgD6i3PO40HrYOwFW62O2lXM23I8n1c+54hcR7QqXEcnG+wzF8HKWMG501w KglSqBMTfguYi/1QFUQ5m6o3LzcS8CtpbmtYWZG8HOHcTqPCw3AiTavKGfS7iMJ4Hr7U fJ1zntVgMNJwhkX3DDqP7n7yKL3QDP84eltVX8V5x/aLyr3sOrz/DQpNNA12+Jv8iZaU HEOw== X-Gm-Message-State: AOUpUlGk/uL6lmZZmYXTVmyI6+snRzhlDFmlXJBTpKkvOx42kCFyPg+y 3QiwHm4DmsFbBJkguZdrGSSv1g== X-Google-Smtp-Source: AAOMgpeN9tH5Pbs11LaiK0wjw170cVNM6K/P8VyqER1gD2FzuEPvC/XYhcXsD8lcYqMutr/WoXk35g== X-Received: by 2002:a63:3046:: with SMTP id w67-v6mr13786997pgw.176.1532391902593; Mon, 23 Jul 2018 17:25:02 -0700 (PDT) Received: from linaro.org ([121.95.100.191]) by smtp.googlemail.com with ESMTPSA id n26-v6sm6081686pgv.78.2018.07.23.17.25.00 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 23 Jul 2018 17:25:02 -0700 (PDT) Date: Tue, 24 Jul 2018 09:26:31 +0900 From: AKASHI Takahiro To: Stephen Rothwell Cc: Catalin Marinas , Will Deacon , Linux-Next Mailing List , Linux Kernel Mailing List , Ard Biesheuvel Subject: Re: linux-next: build warning after merge of the arm64 tree Message-ID: <20180724002630.GV11258@linaro.org> Mail-Followup-To: AKASHI Takahiro , Stephen Rothwell , Catalin Marinas , Will Deacon , Linux-Next Mailing List , Linux Kernel Mailing List , Ard Biesheuvel References: <20180724090545.2270d975@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180724090545.2270d975@canb.auug.org.au> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 24, 2018 at 09:05:45AM +1000, Stephen Rothwell wrote: > Hi all, > > After merging the arm64 tree, today's linux-next build (x86_64 > allmodconfig) produced this warning: Where can I find this specific branch? > drivers/acpi/Kconfig:6:error: recursive dependency detected! > drivers/acpi/Kconfig:6: symbol ACPI depends on EFI My patch created an additional dependency like: menu ACPI ... depends on IA64 || X86 || (ARM64 && EFI) > arch/x86/Kconfig:1920: symbol EFI depends on ACPI So I don't understand why this change makes a warning on x86_64 build. Is this a real recursive dependency? Thanks, -Takahiro AKASHI > For a resolution refer to Documentation/kbuild/kconfig-language.txt > subsection "Kconfig recursive dependency limitations" > > Introduced by commit > > 5bcd44083a08 ("drivers: acpi: add dependency of EFI for arm64") > > -- > Cheers, > Stephen Rothwell