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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,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 83457C5DF60 for ; Fri, 8 Nov 2019 12:36:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 59BF122459 for ; Fri, 8 Nov 2019 12:36:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573216603; bh=CjZZQLkqkd/0K96SFT87+Wjht42XKStn+JqPpx70uGw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=PyGUqOMTYATKcALJE0gabf+WHTA4cBkEhTmkDXNsDuimB2uUVEs6WuLuLNpjgoKLA Y0cJMSGDTZco6hL/DDL4WKaYukUsyKv1miOz904QWf3UKXhEvDuzjGtDZj94gDTdGb nZS150VRrftU5tei72KswG7NmSnYFiTpy6Dd28wQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727001AbfKHMgn (ORCPT ); Fri, 8 Nov 2019 07:36:43 -0500 Received: from mail.kernel.org ([198.145.29.99]:44252 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726121AbfKHMgm (ORCPT ); Fri, 8 Nov 2019 07:36:42 -0500 Received: from localhost.localdomain (lfbn-mar-1-550-151.w90-118.abo.wanadoo.fr [90.118.131.151]) (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 D47ED224BD; Fri, 8 Nov 2019 12:36:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573216601; bh=CjZZQLkqkd/0K96SFT87+Wjht42XKStn+JqPpx70uGw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qfDx9OzlsaZ/WQsl8pzLZ1VwiYDNrLMQsoFPA4uxjOlhslaYdW5IRQWqFmMk9Ktg+ LMIj/aNXqCJSh+W3jsesoCMJ1gszJG2zqHyfJqr7fnm5zLDwetJ9imrcOjzIvJkzCe oYvUYk/5sLz/3KP9rHmYMhNb41HuEHoqgfqZXCHA= From: Ard Biesheuvel To: stable@vger.kernel.org Cc: linus.walleij@linaro.org, rmk+kernel@armlinux.org.uk, Ard Biesheuvel Subject: [PATCH for-stable-4.4 18/50] ARM: bugs: prepare processor bug infrastructure Date: Fri, 8 Nov 2019 13:35:22 +0100 Message-Id: <20191108123554.29004-19-ardb@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191108123554.29004-1-ardb@kernel.org> References: <20191108123554.29004-1-ardb@kernel.org> MIME-Version: 1.0 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 --- 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(-) diff --git a/arch/arm/include/asm/bugs.h b/arch/arm/include/asm/bugs.h index a97f1ea708d1..ed122d294f3f 100644 --- 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 diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 82bdac0f2804..649bc3300c93 100644 --- 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 diff --git a/arch/arm/kernel/bugs.c b/arch/arm/kernel/bugs.c new file mode 100644 index 000000000000..88024028bb70 --- /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(); +} -- 2.20.1