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=-15.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 DE01BC4360C for ; Sun, 29 Sep 2019 17:35:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ABE4B2196E for ; Sun, 29 Sep 2019 17:35:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569778556; bh=qjjByKTwU5k+d9mVaqPivXRL/ILByHOMmv9I6dXCK/E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ssd7jn4wd3ypZbewKE5oTozfLRPHzUJi4N2cTc+tO1/mlR7l4uyijPJUhKgWPEF+R S86VhDciPui0iMDsCLrqNCX5Koxt9Dr20lN8gKThVrWBZnXZdCGZB62H+HT9eif+ue Y0ilkc+6ozL+EPR9L6HjNxznxSD8NwIE5EJth+aI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730688AbfI2Rfz (ORCPT ); Sun, 29 Sep 2019 13:35:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:48140 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730667AbfI2Rfx (ORCPT ); Sun, 29 Sep 2019 13:35:53 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 21BEE2196E; Sun, 29 Sep 2019 17:35:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569778553; bh=qjjByKTwU5k+d9mVaqPivXRL/ILByHOMmv9I6dXCK/E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xFp/E4sfFZPvFKKNO+surpjgOe9Qwi6LBD7UE4N/aO1+fLTvcFE6o7sIIb+KF2vbX 6EHCQE9L6u4eWTPILwvmGFZ2OdYr7oDwCN5tOHdDynpH6+KPoc/1elwi6/9agj2Qgk 5N/jT0Hp/4GYWQkAA+LR2pc8Zj+LxmvZSsOB0qy4= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Nick Desaulniers , Arnd Bergmann , Linus Walleij , Russell King , Sasha Levin , clang-built-linux@googlegroups.com Subject: [PATCH AUTOSEL 4.14 08/23] ARM: 8875/1: Kconfig: default to AEABI w/ Clang Date: Sun, 29 Sep 2019 13:35:18 -0400 Message-Id: <20190929173535.9744-8-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190929173535.9744-1-sashal@kernel.org> References: <20190929173535.9744-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nick Desaulniers [ Upstream commit a05b9608456e0d4464c6f7ca8572324ace57a3f4 ] Clang produces references to __aeabi_uidivmod and __aeabi_idivmod for arm-linux-gnueabi and arm-linux-gnueabihf targets incorrectly when AEABI is not selected (such as when OABI_COMPAT is selected). While this means that OABI userspaces wont be able to upgraded to kernels built with Clang, it means that boards that don't enable AEABI like s3c2410_defconfig will stop failing to link in KernelCI when built with Clang. Link: https://github.com/ClangBuiltLinux/linux/issues/482 Link: https://groups.google.com/forum/#!msg/clang-built-linux/yydsAAux5hk/GxjqJSW-AQAJ Suggested-by: Arnd Bergmann Signed-off-by: Nick Desaulniers Reviewed-by: Arnd Bergmann Reviewed-by: Linus Walleij Signed-off-by: Russell King Signed-off-by: Sasha Levin --- arch/arm/Kconfig | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index cf69aab648fbd..f0080864b9ce8 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1595,8 +1595,9 @@ config ARM_PATCH_IDIV code to do integer division. config AEABI - bool "Use the ARM EABI to compile the kernel" if !CPU_V7 && !CPU_V7M && !CPU_V6 && !CPU_V6K - default CPU_V7 || CPU_V7M || CPU_V6 || CPU_V6K + bool "Use the ARM EABI to compile the kernel" if !CPU_V7 && \ + !CPU_V7M && !CPU_V6 && !CPU_V6K && !CC_IS_CLANG + default CPU_V7 || CPU_V7M || CPU_V6 || CPU_V6K || CC_IS_CLANG help This option allows for the kernel to be compiled using the latest ARM ABI (aka EABI). This is only useful if you are using a user -- 2.20.1