linux-kernel - Re: [RFC] [PATCH 10/16] x86

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Date:	Mon, 13 Nov 2006 19:13:31 +0100
From:	Andi Kleen <ak@...e.de>
To:	vgoyal@...ibm.com
Cc:	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Reloc Kernel List <fastboot@...ts.osdl.org>,
	ebiederm@...ssion.com, akpm@...l.org, hpa@...or.com,
	magnus.damm@...il.com, lwang@...hat.com, dzickus@...hat.com,
	pavel@...e.cz, "Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [RFC] [PATCH 10/16] x86_64: 64bit PIC ACPI wakeup


> This code (verify_cpu) is called while we are still in real mode. So it has
> to be present in low 1MB. Now in trampoline has been designed to switch to
> 64bit mode and then jump to the kernel hence kernel can be loaded anywhere
> even beyond (4G). So if we move this code into say arch/x86_64/kernel/head.S
> then we can't even call it.

I didn't mean to call it. Just #include it from a common file

-Andi
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