linux-kernel - Re: Intel x86 Dual Core & Linux AMP

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Message-ID: <496CDDA2.8080206@zytor.com>
Date:	Tue, 13 Jan 2009 10:29:54 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Matias <linux@...dmangroup.com>
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Intel x86 Dual Core & Linux AMP

Matias wrote:
> Is there a way to boot a normal standard home x86 dual core PC with two
> different Linux Kernels without a hypervisor?
> The idea is of course to give the Kernels their own address space and
> their own rootfile systems, the devices would be unique for each kernel
> etc.
> 
> Can this be done with a standard BIOS and GRUB/LILO?

No.  There are way too many shared resources, such as address space and
interrupt system.  You need a central resource to arbitrate those
resources, i.e. a hypervisor.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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