Re: [RFC] [PATCH 10/16] x86_64: 64bit PIC ACPI wakeup

From: Andi Kleen
Date: Mon Nov 13 2006 - 13:13:54 EST



> 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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