From patchwork Sun Oct 6 17:21:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 175287 Delivered-To: patch@linaro.org Received: by 2002:a92:7e96:0:0:0:0:0 with SMTP id q22csp3297917ill; Sun, 6 Oct 2019 10:30:29 -0700 (PDT) X-Google-Smtp-Source: APXvYqxvEhBcEVcOoXJfNN+0ctEnScX6G87sw6nDxni1NFmsxAhi4l18CPJFaDMVRxWCbQjocUKL X-Received: by 2002:a17:906:2f10:: with SMTP id v16mr20262706eji.247.1570383028111; Sun, 06 Oct 2019 10:30:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1570383028; cv=none; d=google.com; s=arc-20160816; b=v8eSZUre5pcJo4+Eq9r70Pyd9t1WsXyQK2crb3QANaKkprK2Uiyh9NN3a76AMTiWRt hmzb2vDYky/VzeymCgsC5GCbh6JNSRb1d3ItmX3szwIUS+DHerlCqUCv7iWjLQb2kpbo aZph2v6UORQpdlwhftBcogDlVsUg0TqUAd/9mlg88lW8uhodE6eVkeMqJhiveqFdEXRu sl09PslVUo2niJU+3D7e+jPhX+eF1iuj0Zb9AJq8VcMJ4dk/ZvSPw6t8t83Ukl9vOmT0 NPT0MDZhyLJlb79wk4zYiBs6L09kRm9k3CloZT3zjNbtbZ6fpDurjKvsZtBFryudWUrg T+dA== 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=kjfhxqC/dT0l6TqRCFJyDtDMrACA8UIZnr/wjEwhfpo=; b=Rbv8g6Z6/5ZoEvm4oa5+BlqPX17pLdQTp7jQIzRCCEliCv1F8G+oxd66sxg94lbHWt 03dxMMd2jjlUFTW4K3h8VEOzgXe19d53FILlAF4YJciDt3JzHRZoW0HyIxxgezWs/pvL PIh/yfTMpNE1HWO6lPhMO1J5pD52p9t2PacazVKFMfgTffabMnC8mRzthvOqGfwm0toM SmBBNJtMPylnWpbfEy1qwkY1ZzjX9L3HRFYTQZgHyFHFSswcob91Qb1hchvByN/XYEkV lBGIK+VaCq32jcwC/iwWCK8Pa//kxewPR1N6bGui0cnFIURsMKjKScMCAVVgo0Y6yWkv xtyA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=LRZjk+72; 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 d1si6595664edr.446.2019.10.06.10.30.27; Sun, 06 Oct 2019 10:30:28 -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=LRZjk+72; 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 S1729233AbfJFRa0 (ORCPT + 27 others); Sun, 6 Oct 2019 13:30:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:56262 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729216AbfJFRaW (ORCPT ); Sun, 6 Oct 2019 13:30:22 -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 7DB092133F; Sun, 6 Oct 2019 17:30:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570383022; bh=hfNg8Nm40zRI8TDF/Icp+MSffb6Vg+BWyaWKFeR4cw4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LRZjk+728IAntQ3/DJQxRUoWlzEafzlLf4ERhTICJUy0wZVMIc9ipb3CppTMF2VXG X02GnqX9Y4TQEAXOzVAdBygDc4sh3rj6s7FA/3+HYePTdJlNFswJ90z0HRIEDz97Qj dGf/56050kvO3k1f+402S068F37B/alv8WcH9YGo= 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 4.19 057/106] ARM: 8875/1: Kconfig: default to AEABI w/ Clang Date: Sun, 6 Oct 2019 19:21:03 +0200 Message-Id: <20191006171147.869327445@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191006171124.641144086@linuxfoundation.org> References: <20191006171124.641144086@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 51794c7fa6d5b..185e552f14610 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1586,8 +1586,9 @@ 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