linux-kernel - Re: [PATCH 0/7] KVM: Kernel-based Virtual Machine

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Message-ID: <453C0CEB.4050506@us.ibm.com>
Date:	Sun, 22 Oct 2006 19:29:31 -0500
From:	Anthony Liguori <aliguori@...ibm.com>
To:	Christoph Hellwig <hch@...radead.org>,
	Avi Kivity <avi@...ranet.com>, Arnd Bergmann <arnd@...db.de>,
	Muli Ben-Yehuda <muli@...ibm.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Anthony Liguori <aliguori@...ibm.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [PATCH 0/7] KVM: Kernel-based Virtual Machine

Christoph Hellwig wrote:
> On Sun, Oct 22, 2006 at 07:01:29PM +0200, Avi Kivity wrote:
>   
>>> What is the point of 32 bit hosts anyway? Isn't this only available
>>> on x86_64 type CPUs in the first place?
>>>  
>>>       
>> No, 32-bit hosts are fully supported (except a 32-bit host can't run a 
>> 32-bit guest).
>>     
>
> Again, what's the point?  All cpus shipped by Intel and AMD that have
> hardware virtualization extensions also support the 64bit mode.  Given
> that I don't see any point for supporting a 32bit host.
>   

I believe that the Intel Core Duo's only support 32bit mode and are VT 
enabled.

Regards,

Anthony Liguori


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