From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Yang, Sheng" Subject: Re: [PATCH] kvm: bios: Put AP boot up code to 0x1000 Date: Thu, 31 Jul 2008 14:00:11 +0800 Message-ID: <200807311400.11644.sheng.yang@intel.com> References: <200807311043.20880.sheng.yang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: Avi Kivity To: kvm@vger.kernel.org Return-path: Received: from mga03.intel.com ([143.182.124.21]:20298 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752500AbYGaF6D (ORCPT ); Thu, 31 Jul 2008 01:58:03 -0400 In-Reply-To: <200807311043.20880.sheng.yang@intel.com> Content-Disposition: inline Sender: kvm-owner@vger.kernel.org List-ID: On Thursday 31 July 2008 10:43:20 Yang, Sheng wrote: > From ba05b3c821400127074f65ee4d172fabbe3524cd Mon Sep 17 00:00:00 > 2001 From: Sheng Yang > Date: Thu, 31 Jul 2008 10:39:24 +0800 > Subject: [PATCH] kvm: bios: Put AP boot up code to 0x1000 > > Rather than 0x10000, which can be overrided by userspace program > like grub. Not good enough. It's still in userspace available memory region. Try to find a better place... -- regards Yang, Sheng > > Signed-off-by: Sheng Yang > --- > bios/rombios32.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/bios/rombios32.c b/bios/rombios32.c > index 2dc1d25..f7a4234 100755 > --- a/bios/rombios32.c > +++ b/bios/rombios32.c > @@ -60,7 +60,7 @@ typedef unsigned long long uint64_t; > > #define APIC_ENABLED 0x0100 > > -#define AP_BOOT_ADDR 0x10000 > +#define AP_BOOT_ADDR 0x1000 > > #define MPTABLE_MAX_SIZE 0x00002000 > #define SMI_CMD_IO_ADDR 0xb2 > -- > 1.5.6