From patchwork Sun Oct 6 17:21:28 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 175293 Delivered-To: patch@linaro.org Received: by 2002:a92:7e96:0:0:0:0:0 with SMTP id q22csp3303682ill; Sun, 6 Oct 2019 10:37:22 -0700 (PDT) X-Google-Smtp-Source: APXvYqz24CS1VlUYGa5gl7ilFiD5o6PunxRJd15MqtD3rFEOTyKuevNAP0dxBl/a1VL64gu8OI6P X-Received: by 2002:a50:e718:: with SMTP id a24mr25536608edn.289.1570383442763; Sun, 06 Oct 2019 10:37:22 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1570383442; cv=none; d=google.com; s=arc-20160816; b=f/pSPULy8ftkZvuTzmsDyJe8UzTmBN86wV41Y/rQveOtvR5oIC1dza7Bgji3S6fzbJ n+iiB2M+X36r+FHh2OQS3Qor3hFjWHQADV9Eqi2U8+FGMa8+77lH+vX2/NJOFpsq4t6+ jV9mpzi2HTwp1L8hlsTVw/3kOjXJSAIgwB0x9ziDFM/hj0dxTk4G0ZsBqLYUgTn8YJFi xuEPA12T1oqrcSyBducTgM1DTyf/+QBrFMjn5/paoeAhkKwlA8t8422OtsGQ5eomIJoW n8LLS3+bZsci38AbArVjp1pQhu7iSbPl5B59+RXY3+mVt8AVMTFmiLITqgmvkV7eOjSr upyg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=fch7/u6zIgGuT6tofZ6xfOhNoZawTxgt7+8BfUDy3mE=; b=wcjxFwhVUjMPlyHyb0Miz9mmwK+Ve4mdTccJ703MlMW1kgBKIn7khby2toLF9EwPZ7 H3dnSzw/uwuWqPWpuJx9TzAvYBDb+seveDJWY9fOWOdy8/LRcE3yRX9HWKwwwEP5ZPHe xNZ4aD8+lCUwbG1H+PaZ1J6cHa3hKMEoIHBq9Bv+b59HH8/VVzEKx4PZ2oj84deHPGPg srSskyXNQ3i9+FwXZCJj9M6aY+afRrbxRyvMALtwX0ZGKIPRQ/fHr6tLbdXOT2wgxe4o lDsGEAtqiFGQShFG/XxDEibppq4sCk9fUfKu6N7zbAY1bR5MHNvhM4KLK1Dnm84+0GM9 hsDQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=AalMWeFT; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id jo18si6035360ejb.27.2019.10.06.10.37.22; Sun, 06 Oct 2019 10:37:22 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=AalMWeFT; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730431AbfJFRhV (ORCPT + 27 others); Sun, 6 Oct 2019 13:37:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:36272 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729505AbfJFRhS (ORCPT ); Sun, 6 Oct 2019 13:37:18 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BEB022080F; Sun, 6 Oct 2019 17:37:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570383438; bh=Wm5o5GS0w1SM6itP8Ry0jGS2hvCfJY2Z44Hswv46aDc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AalMWeFTcYe5hP1yJrdYxGgDiqnWGfwoIYyCAsgNYt6bjNGKJTgeJf39ebxYc/sZv szWRYo49/tEHpri5SOUOeYuGnQ9fLwb0gJOOyoQaPgSa5Swk9fEvcg24BNBX9T7zNw 8Kpm96qDcsQr3G5ws7lR6jHtLnfhBJHjkEHevnZk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arnd Bergmann , Nick Desaulniers , Linus Walleij , Russell King , Sasha Levin Subject: [PATCH 5.2 104/137] ARM: 8875/1: Kconfig: default to AEABI w/ Clang Date: Sun, 6 Oct 2019 19:21:28 +0200 Message-Id: <20191006171217.601678408@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191006171209.403038733@linuxfoundation.org> References: <20191006171209.403038733@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 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(-) -- 2.20.1 diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 8869742a85df1..3539be8700558 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1545,8 +1545,9 @@ 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