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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 8C7BFC433F5 for ; Sun, 8 May 2022 00:16:26 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4KwlGJ4jyNz3cC8 for ; Sun, 8 May 2022 10:16:24 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.a=rsa-sha256 header.s=fm1 header.b=aFd+8vok; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.helo=wnew3-smtp.messagingengine.com (client-ip=64.147.123.17; helo=wnew3-smtp.messagingengine.com; envelope-from=fthain@linux-m68k.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.a=rsa-sha256 header.s=fm1 header.b=aFd+8vok; dkim-atps=neutral Received: from wnew3-smtp.messagingengine.com (wnew3-smtp.messagingengine.com [64.147.123.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4KwlFY13Pcz3bgC for ; Sun, 8 May 2022 10:15:43 +1000 (AEST) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailnew.west.internal (Postfix) with ESMTP id BA7102B01A5E; Sat, 7 May 2022 20:15:36 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Sat, 07 May 2022 20:15:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm1; t=1651968936; x= 1651976136; bh=hBCmJbIqgEytzYwa8CW7BN7wQ9FjoZGR5Pq0KkOSgR4=; b=a Fd+8vokQcvbA4GWW9owApfwSeCCmripmwI1V8BhLeK5KaZNhXYioKWO7gI/i4WS2 7k47a/ZWVbS9L9Tb94YqvYOtS7N7Odf5y1vj4JNgmK7LNQqCWISAKcO+P4rj0UMi q+RtVMiTD2S0odWphzabgNOzrXhZiGf5nIMLf0LKorYXqpXkyhAyhpWHbDYXh7SC lIsqVRz6rHiSoRmYVbBPXTr50ooseR0KbMmjBLcBybt5kQU3VX6Uv3BlsayvPX8K rT/CABNOI5QNmto+53M1TPT98lstPKrnj3wt67ZKWi2d0IKDKzkcno0YDJCen2gb pvOvYx7XyUrz2lynIGXHQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrfeeigdeftdcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenuc fjughrpeffhffvvefujgfkfhggtgesthdtredttddtvdenucfhrhhomhephfhinhhnucfv hhgrihhnuceofhhthhgrihhnsehlihhnuhigqdhmieekkhdrohhrgheqnecuggftrfgrth htvghrnhepleeuheelheekgfeuvedtveetjeekhfffkeeffffftdfgjeevkeegfedvueeh ueelnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepfh hthhgrihhnsehlihhnuhigqdhmieekkhdrohhrgh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sat, 7 May 2022 20:15:23 -0400 (EDT) Date: Sun, 8 May 2022 10:15:31 +1000 (AEST) From: Finn Thain To: Arnd Bergmann Subject: Re: [RFC v2 01/39] Kconfig: introduce HAS_IOPORT option and select it as necessary In-Reply-To: <6f33385-5612-7042-e1b3-aa32895e91e0@linux-m68k.org> Message-ID: References: <20220505195342.GA509942@bhelgaas> <22bec167-241f-2cbe-829f-a3f65e40e71@linux-m68k.org> <105ccec439f709846e82b69cb854ac825d7a6a49.camel@linux.ibm.com> <7dfa7578-039-e132-c573-ad89bd3215@linux-m68k.org> <6f33385-5612-7042-e1b3-aa32895e91e0@linux-m68k.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rich Felker , "open list:IA64 \(Itanium\) PLATFORM" , "open list:SUPERH" , Catalin Marinas , Dave Hansen , "open list:MIPS" , "James E.J. Bottomley" , "open list:SPARC + UltraSPARC \(sparc/sparc64\)" , "open list:RISC-V ARCHITECTURE" , Will Deacon , linux-arch , Yoshinori Sato , Helge Deller , "maintainer:X86 ARCHITECTURE \(32-BIT AND 64-BIT\)" , Russell King , Ingo Molnar , Geert Uytterhoeven , linux-pci , Bjorn Helgaas , Matt Turner , Albert Ou , Arnd Bergmann , Niklas Schnelle , "open list:M68K ARCHITECTURE" , Ivan Kokshaysky , Paul Walmsley , Thomas Gleixner , "moderated list:ARM PORT" , Richard Henderson , Michal Simek , Thomas Bogendoerfer , "open list:PARISC ARCHITECTURE" , Greg Kroah-Hartman , Linux Kernel Mailing List , Palmer Dabbelt , "open list:ALPHA PORT" , Borislav Petkov , "open list:LINUX FOR POWERPC \(32-BIT AND 64-BIT\)" , "David S. Miller" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Sun, 8 May 2022, I wrote: > > That suggests to me that we need a "bool CONFIG_WARINGS_INTO_ERRORS" to > control -Werror, which could be disabled for .config files (like make > allmodconfig) where it is not helping. > I just noticed that we already have CONFIG_WERROR. So perhaps something like this would help. diff --git a/init/Kconfig b/init/Kconfig index ddcbefe535e9..765d83fb148e 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -150,6 +150,8 @@ config WERROR However, if you have a new (or very old) compiler with odd and unusual warnings, or you have some architecture with problems, + or if you are using a compiler that doesn't happen to interpret + the C standards in quite the same way as some other compilers, you may need to disable this config option in order to successfully build the kernel.