From patchwork Fri Apr 9 09:53:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 418168 Delivered-To: patch@linaro.org Received: by 2002:a02:8562:0:0:0:0:0 with SMTP id g89csp1430531jai; Fri, 9 Apr 2021 03:07:21 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw0l/c8DsxMW6BvWyxaIzomvtmtleO1dvsbEKr4iDltxfKfX27MppdH+G02npR8lDF5pje1 X-Received: by 2002:a50:eb45:: with SMTP id z5mr16888697edp.243.1617962841449; Fri, 09 Apr 2021 03:07:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1617962841; cv=none; d=google.com; s=arc-20160816; b=hoYiKKgPN0Fnio+NWabn1uzYZCq3A09NX+PTAimwsfTPFJ+1n2wPlvQOQGbQzikdRC x+Ocq1T2y1aR+oCBeMNaHyPLyXDW9coco7GPmPuk+gTGeCIpqc+zhGMERXp0juuyFAbd IRjpdZxQHM60h5pfxrFjpSsdVwwtOAn16lHZnt3KDl0FM0xM02LivdyEBdKDtHCUHVrl YJZJOSlxMLAMU2uHLJI2+5lxrTKP0Z/0nIazPMs07vRm3mYbop9NJ+y8cwu8K0NCJyCH dOZYDKYlHjgyQMM85N5+c5LK9CClDTeVwi09XhTqvgltdMOQGCwCCBO+M3meyvbRuQJ6 bmAw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=xAcOJyqKNDmswop1YXYGQzisl2iQCuxvoPpv9dh8X14=; b=xU3pjdRuCtIvvDr4KM2KCkXdYb6euInEsUDrK+qKkGyNoBcDuLQdbDnHwc+02b3cVO HFh0kqdmtmQ3PyFf2bAomT3Ycqt7sGPinCLu71EJJc0lDeQ9ACAywEvsQ/a1LEur2ApB Dq/yuu5M+B/JjhK7k+pfdLy9/TnEH2nWjp0YRCAo77XOeZUg+Ht0QBOYNORe0lm8mJ6u s0e0GI1QArQD3lM3GQhwtns4jDg3JNPXkuVzWVneSRZWFNFtv6hiXext+HX9/BmOjyGp 4KYvlvOIuHXIUSGw8IuXbSjAjVvDrqUL7KEuJGi3o57yWiNg6lt+im20II6fZzeCBXYh EOYw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=FSUZ1BcR; spf=pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id gf19si1636716ejb.462.2021.04.09.03.07.21; Fri, 09 Apr 2021 03:07:21 -0700 (PDT) Received-SPF: pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=FSUZ1BcR; spf=pass (google.com: domain of stable-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=stable-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233153AbhDIKHP (ORCPT + 12 others); Fri, 9 Apr 2021 06:07:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:50990 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234043AbhDIKET (ORCPT ); Fri, 9 Apr 2021 06:04:19 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 41CBF61284; Fri, 9 Apr 2021 10:00:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1617962459; bh=czFULzrX0pbg8fLjls/S30NW/0cabqVjxQNGwIYIuEs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FSUZ1BcRp3fM8stg3H/GKxaawYVy7l8RsJSnl3YnLeZ2GuvJj92ILvt9qdXh4H94/ JvjyDhdBxYgM4dZpNc1S810/9dFiAlBGYUM1R2scWA6MYmQejV1ewTXa68EUP0FZZQ lnCPQYB0IyRJfUiG0yyT8mlQiU7uX396RFvXp5Io= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arnd Bergmann , Ingo Molnar , Sasha Levin Subject: [PATCH 5.11 23/45] x86/build: Turn off -fcf-protection for realmode targets Date: Fri, 9 Apr 2021 11:53:49 +0200 Message-Id: <20210409095306.162939565@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210409095305.397149021@linuxfoundation.org> References: <20210409095305.397149021@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Arnd Bergmann [ Upstream commit 9fcb51c14da2953de585c5c6e50697b8a6e91a7b ] The new Ubuntu GCC packages turn on -fcf-protection globally, which causes a build failure in the x86 realmode code: cc1: error: ‘-fcf-protection’ is not compatible with this target Turn it off explicitly on compilers that understand this option. Signed-off-by: Arnd Bergmann Signed-off-by: Ingo Molnar Link: https://lore.kernel.org/r/20210323124846.1584944-1-arnd@kernel.org Signed-off-by: Sasha Levin --- arch/x86/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.30.2 diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 30920d70b48b..828f24d547b2 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -27,7 +27,7 @@ endif REALMODE_CFLAGS := -m16 -g -Os -DDISABLE_BRANCH_PROFILING \ -Wall -Wstrict-prototypes -march=i386 -mregparm=3 \ -fno-strict-aliasing -fomit-frame-pointer -fno-pic \ - -mno-mmx -mno-sse + -mno-mmx -mno-sse $(call cc-option,-fcf-protection=none) REALMODE_CFLAGS += -ffreestanding REALMODE_CFLAGS += -fno-stack-protector