From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753116Ab2LPRrG (ORCPT ); Sun, 16 Dec 2012 12:47:06 -0500 Received: from mga02.intel.com ([134.134.136.20]:2923 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752154Ab2LPRpw (ORCPT ); Sun, 16 Dec 2012 12:45:52 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,294,1355126400"; d="scan'208";a="234790723" From: "Fenghua Yu" To: "H Peter Anvin" , "Ingo Molnar" , "Thomas Gleixner" , "Asit K Mallick" , "Tigran Aivazian" , "Andreas Herrmann" , "Borislav Petkov" , "Yinghai Lu" , "linux-kernel" , "x86" Cc: "Fenghua Yu" Subject: [PATCH v3 08/10] x86/head64.c: Early update ucode in 64-bit Date: Sun, 16 Dec 2012 02:43:27 -0800 Message-Id: <1355654609-16800-9-git-send-email-fenghua.yu@intel.com> X-Mailer: git-send-email 1.7.2 In-Reply-To: <1355654609-16800-1-git-send-email-fenghua.yu@intel.com> References: <1355654609-16800-1-git-send-email-fenghua.yu@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Fenghua Yu This updates ucode in 64-bit mode. Paging and virtual address are working now. Signed-off-by: Fenghua Yu --- arch/x86/kernel/head64.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 037df57..a512f56 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -25,6 +25,7 @@ #include #include #include +#include static void __init zap_identity_mappings(void) { @@ -73,6 +74,11 @@ void __init x86_64_start_kernel(char * real_mode_data) /* clear bss before set_intr_gate with early_idt_handler */ clear_bss(); + /* + * Load microcode early on BSP. + */ + load_ucode_bsp(real_mode_data); + /* Make NULL pointers segfault */ zap_identity_mappings(); -- 1.8.0.1