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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=no 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 D296BC32751 for ; Wed, 7 Aug 2019 13:05:37 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A460821BE3 for ; Wed, 7 Aug 2019 13:05:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="m8virwni"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sirena.org.uk header.i=@sirena.org.uk header.b="KwHg8t47" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A460821BE3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=lQwPn/KnKOR/6n8K0MdKjK1aSL9sU0K2PLY64Ap5rHY=; b=m8virwni2BTi68ZanoKcZoZis wAcoz1Lo7oT2vwxDkf0Uls6ZJZaZo/ravd8nhShcIxKmMpLoWTb4cC8FX53NWRGi55a3KjOTn9wrL 9Xo6wIaDova7TLTLQ6qceiF8gaKczzbIK5uBJa5r5FhcjzgFV+MrxkA0u0P5AyyCDeWt+Hbyk6go3 2Y2TKrqxSoi3HxT2j1zPMPsTTPkJS6ZmmNhyASfXItYDSUoAWdDtQjCVH3s5wwb/q4YWQS3PjoBKW KP9yxCdivct0KTAZvx3zlPxgQzKaTbli9kJBf9ONLQ/fnVKWXg/rRTf//a0cdeyaRezFhbsT6GtaU 19eztkw3Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hvLdI-0005wr-V0; Wed, 07 Aug 2019 13:05:36 +0000 Received: from heliosphere.sirena.org.uk ([2a01:7e01::f03c:91ff:fed4:a3b6]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hvLdE-0005wU-3V for linux-arm-kernel@lists.infradead.org; Wed, 07 Aug 2019 13:05:35 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sirena.org.uk; s=20170815-heliosphere; h=In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=aMELl7eZ6o9h3lDoCfPQPbyogz/QHSph7+YWLc1ijL0=; b=KwHg8t47oMmmqPHYaXKzQbv36 CepZlxHGu+StYRkzMcLtDX14I81LOL7NA4oqpZiX55mwClPlxO6IVZA+vL1FDAv0Z9ekrNSRMSAKd 1vWNqlleAc7b95ghsXxLE4cQGQaqfAzqHRb2YrZDXv5J3FQ0ZE2ZLpT2xJHeOV2a1TflQ=; Received: from ypsilon.sirena.org.uk ([2001:470:1f1d:6b5::7]) by heliosphere.sirena.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1hvLdA-0007bu-Qj; Wed, 07 Aug 2019 13:05:28 +0000 Received: by ypsilon.sirena.org.uk (Postfix, from userid 1000) id 6E5D32742B9E; Wed, 7 Aug 2019 14:05:27 +0100 (BST) Date: Wed, 7 Aug 2019 14:05:27 +0100 From: Mark Brown To: Mark Rutland Subject: Re: [PATCH] arm64: Disable big endian builds with clang Message-ID: <20190807130527.GD4048@sirena.co.uk> References: <20190806183918.41078-1-broonie@kernel.org> <20190807130111.GE54191@lakrids.cambridge.arm.com> MIME-Version: 1.0 In-Reply-To: <20190807130111.GE54191@lakrids.cambridge.arm.com> X-Cookie: Dammit Jim, I'm an actor, not a doctor. User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190807_060534_534605_219114E5 X-CRM114-Status: GOOD ( 10.65 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tri Vo , Catalin Marinas , Nick Desaulniers , clang-built-linux@googlegroups.com, Nathan Chancellor , Will Deacon , linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============3885296008590739606==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============3885296008590739606== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="wLAMOaPNJ0fu1fTG" Content-Disposition: inline --wLAMOaPNJ0fu1fTG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Aug 07, 2019 at 02:01:11PM +0100, Mark Rutland wrote: > On Tue, Aug 06, 2019 at 07:39:18PM +0100, Mark Brown wrote: > Judging by the kernel log linked in a reply, this is with: > * clang version 8.0.1-svn359952-1~exp1~20190504004501.65 (branches/release_80) > Is that the llvm.org binary release, or a custom build of clang? It's from a llvm.org .deb. > * Linux 5.3.0-rc2-next-20190730 > Could we previously build a BE kernel with clang? If so, what's the > last working kernel? As far as I know this has been broken for as long as we tried building and booting big endian kernels in clang. The compile works fine, it's just that the resulting binary doesn't seem to be working so well. --wLAMOaPNJ0fu1fTG Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl1KzJYACgkQJNaLcl1U h9DYhwf9E0PI153LLixWIQl6KYCRRVz4KTHCzN5UkOAU3JEAXoxXaLv9U9YSa3/n vvYR4o/xUbkHnOZacPhw5KXyyxj3HftPSa2ojSub04S9eI5NHCAO+BzvOLNt6MRf pyuBw2MRCzJsOok5jjFgBYnk9jzabMuEd1F7Zp6x5B0+Gm1GXt7moWY78FCujzdC yQDIQ2jwlEIIOiUXWwj9juzgcQrTnp2k7TKexpnKam5cWGvUq92SM9rUD+dbqJ9V /woI57YMZ5pEZVSp5rmFaQYDkla0BIpLYgJLh7NmlrouU0VJ5ywLKYYgGR1QdhN8 MUwxEa0xfagvc49QKPC9Deh+drGO9A== =dn9v -----END PGP SIGNATURE----- --wLAMOaPNJ0fu1fTG-- --===============3885296008590739606== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============3885296008590739606==--