Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756345AbaKSWO5 (ORCPT ); Wed, 19 Nov 2014 17:14:57 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:56061 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932660AbaKSUyS (ORCPT ); Wed, 19 Nov 2014 15:54:18 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Richard Hendershot , Borislav Petkov Subject: [PATCH 3.17 100/141] x86, microcode: Fix accessing dis_ucode_ldr on 32-bit Date: Wed, 19 Nov 2014 12:52:03 -0800 Message-Id: <20141119205153.916605840@linuxfoundation.org> X-Mailer: git-send-email 2.1.3 In-Reply-To: <20141119205150.700188369@linuxfoundation.org> References: <20141119205150.700188369@linuxfoundation.org> User-Agent: quilt/0.63-1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Borislav Petkov commit 85be07c32496dc264661308e4d9d4e9ccaff8072 upstream. We should be accessing it through a pointer, like on the BSP. Tested-by: Richard Hendershot Fixes: 65cef1311d5d ("x86, microcode: Add a disable chicken bit") Signed-off-by: Borislav Petkov Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/cpu/microcode/core_early.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/kernel/cpu/microcode/core_early.c +++ b/arch/x86/kernel/cpu/microcode/core_early.c @@ -124,7 +124,7 @@ void __init load_ucode_bsp(void) static bool check_loader_disabled_ap(void) { #ifdef CONFIG_X86_32 - return __pa_nodebug(dis_ucode_ldr); + return *((bool *)__pa_nodebug(&dis_ucode_ldr)); #else return dis_ucode_ldr; #endif -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/