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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 2399DC5DF60 for ; Fri, 8 Nov 2019 19:22:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F063A207FA for ; Fri, 8 Nov 2019 19:22:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573240973; bh=BUTuqTi7EGNrt+/TX54y9XivWt9zhd35Hvj5orNffp8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=H9aej7E5R+Urw5X/xScK8znkcw9Wml4q0cqFlv7cPgy29Osd4wNSJyeaGJgyNx6nh e2UrMo8d9MYudKuqfFC1jeuB0dv2CYiG6xlKJcFxYEj3WJPUtUvh3c+voEtFv3Y+FI bnmsGW2snL5u3LrBvlh95skT25JiCFPxlO2gEMN8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387450AbfKHSzb (ORCPT ); Fri, 8 Nov 2019 13:55:31 -0500 Received: from mail.kernel.org ([198.145.29.99]:52864 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387543AbfKHSzb (ORCPT ); Fri, 8 Nov 2019 13:55:31 -0500 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 370E220865; Fri, 8 Nov 2019 18:55:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573239330; bh=BUTuqTi7EGNrt+/TX54y9XivWt9zhd35Hvj5orNffp8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=o12XQ2hiU6rdy3vh6lzVwxB8KHkUpg/IAKKR1qf5kooJ2Dl9RHRFW9Ldvy3VqBIQN 2bBW8ebAlla6BFYyehh7uU9HIl23bpHkpfj4F+UXyfxHQ8IUfcNAjuz3VdIZr7pGLE U1y71kJ3RIKBuQzlf0dK+V2SaCVAPqjDKIQEV5Nc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Greg Kroah-Hartman , "linus.walleij@linaro.org, rmk+kernel@armlinux.org.uk, Ard Biesheuvel" , Russell King , Florian Fainelli , Tony Lindgren , Marc Zyngier , "David A. Long" , Ard Biesheuvel Subject: [PATCH 4.4 41/75] ARM: bugs: prepare processor bug infrastructure Date: Fri, 8 Nov 2019 19:49:58 +0100 Message-Id: <20191108174749.239886670@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191108174708.135680837@linuxfoundation.org> References: <20191108174708.135680837@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Russell King Commit a5b9177f69329314721aa7022b7e69dab23fa1f0 upstream. Prepare the processor bug infrastructure so that it can be expanded to check for per-processor bugs. Signed-off-by: Russell King Reviewed-by: Florian Fainelli Boot-tested-by: Tony Lindgren Reviewed-by: Tony Lindgren Acked-by: Marc Zyngier Signed-off-by: David A. Long Signed-off-by: Greg Kroah-Hartman Signed-off-by: Ard Biesheuvel Signed-off-by: Greg Kroah-Hartman --- arch/arm/include/asm/bugs.h | 4 ++-- arch/arm/kernel/Makefile | 1 + arch/arm/kernel/bugs.c | 9 +++++++++ 3 files changed, 12 insertions(+), 2 deletions(-) --- a/arch/arm/include/asm/bugs.h +++ b/arch/arm/include/asm/bugs.h @@ -10,10 +10,10 @@ #ifndef __ASM_BUGS_H #define __ASM_BUGS_H -#ifdef CONFIG_MMU extern void check_writebuffer_bugs(void); -#define check_bugs() check_writebuffer_bugs() +#ifdef CONFIG_MMU +extern void check_bugs(void); #else #define check_bugs() do { } while (0) #endif --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile @@ -30,6 +30,7 @@ else obj-y += entry-armv.o endif +obj-$(CONFIG_MMU) += bugs.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_ISA_DMA_API) += dma.o obj-$(CONFIG_FIQ) += fiq.o fiqasm.o --- /dev/null +++ b/arch/arm/kernel/bugs.c @@ -0,0 +1,9 @@ +// SPDX-Identifier: GPL-2.0 +#include +#include +#include + +void __init check_bugs(void) +{ + check_writebuffer_bugs(); +}