From: "Yang, Sheng" <sheng.yang@intel.com>
To: Avi Kivity <avi@qumranet.com>
Cc: kvm@vger.kernel.org
Subject: Re: [PATCH] kvm: bios: Put AP boot up code to 0x1000
Date: Thu, 31 Jul 2008 17:09:29 +0800 [thread overview]
Message-ID: <200807311709.29198.sheng.yang@intel.com> (raw)
In-Reply-To: <48915E80.8010406@qumranet.com>
On Thursday 31 July 2008 14:41:04 Avi Kivity wrote:
> Yang, Sheng wrote:
> > On Thursday 31 July 2008 10:43:20 Yang, Sheng wrote:
> >> From ba05b3c821400127074f65ee4d172fabbe3524cd Mon Sep 17
> >> 00:00:00 2001 From: Sheng Yang <sheng.yang@intel.com>
> >> 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.
>
> How about 0xex000? And avoid copying the bios to low memory?
>
> Gleb tried it and it worked. We'd have to change qemu to mark the
> memory as RAM, not ROM, but that's what real hardware does as well
> (shadowing the ROM into RAM).
I tried 0xea000, and it's fine. But avoid copying is better.
But I don't understand the RAM/ROM issue in qemu here...
And do you mean you have patch on hand now? :)
--
regards
Yang, Sheng
next prev parent reply other threads:[~2008-07-31 9:07 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-31 2:43 [PATCH] kvm: bios: Put AP boot up code to 0x1000 Yang, Sheng
2008-07-31 6:00 ` Yang, Sheng
2008-07-31 6:41 ` Avi Kivity
2008-07-31 9:09 ` Yang, Sheng [this message]
2008-07-31 9:46 ` Avi Kivity
2008-08-01 15:49 ` H. Peter Anvin
2008-07-31 21:15 ` Sebastian Herbszt
2008-08-01 1:19 ` Yang, Sheng
2008-08-02 19:30 ` Sebastian Herbszt
2008-08-05 8:14 ` Yang, Sheng
2008-08-06 21:56 ` Sebastian Herbszt
2008-08-10 7:50 ` Avi Kivity
2008-08-13 23:00 ` Sebastian Herbszt
2008-08-14 6:08 ` Avi Kivity
2008-08-17 22:35 ` [PATCH] kvm: bios: end AP boot code execution in rombios Sebastian Herbszt
2008-08-18 2:33 ` Anthony Liguori
2008-08-18 2:45 ` Yang, Sheng
2008-08-18 10:21 ` Avi Kivity
2008-08-18 10:22 ` Avi Kivity
2008-08-19 23:06 ` Sebastian Herbszt
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