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Date:	Tue, 18 Dec 2012 19:44:55 -0800
From:	Yinghai Lu <>
To:	Borislav Petkov <>, Yinghai Lu <>,
	Thomas Gleixner <>,
	Ingo Molnar <>, "H. Peter Anvin" <>,
	"Eric W. Biederman" <>,
	Andrew Morton <>,, Matt Fleming <>
Subject: Re: [PATCH v6 03/27] x86, boot: move verify_cpu.S and no_longmode
 after 0x200

On Sat, Dec 15, 2012 at 9:06 AM, Borislav Petkov <> wrote:
> On Thu, Dec 13, 2012 at 02:01:57PM -0800, Yinghai Lu wrote:
>> We are short of space before 0x200 that is entry for startup_64.
> And you're moving this down because of the couple of bytes the next
> patch is adding? If so, then explain that here.


Subject: [PATCH] x86, boot: move verify_cpu.S and no_longmode down

We need to move some code with 32bit section in following patch:

   x86, boot: Move lldt/ltr out of 64bit code section

but that will push startup_64 down from 0x200.

According to hpa, we can not change startup_64 to other offset and
that become ABI now.

We could move function verify_cpu and no_longmode down, because
verify_cpu is used via function call and no_longmode will not
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