RE: [Xen-devel] VMX status report Nov.29 changset 8090

To:	"Nakajima, Jun" <jun.nakajima@xxxxxxxxx>, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, <aball@xxxxxxxxxx>
Subject:	RE: [Xen-devel] VMX status report Nov.29 changset 8090
From:	"Shi, Kuiliang" <kuiliang.shi@xxxxxxxxx>
Date:	Wed, 30 Nov 2005 09:51:14 +0800
Cc:	xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date:	Wed, 30 Nov 2005 01:51:14 +0000
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
List-help:	<mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id:	Xen developer discussion <xen-devel.lists.xensource.com>
List-post:	<mailto:xen-devel@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index:	AcX0/s26ZGG6g9vVRYmp3DDTKYriVgAR94UAAABd7uAAAdXH8A==
Thread-topic:	[Xen-devel] VMX status report Nov.29 changset 8090


Nakajima, Jun wrote:
> Shi, Kuiliang wrote:
>> Keir Fraser wrote:
>>> On 29 Nov 2005, at 15:39, Andrew D. Ball wrote:
>>> 
>>>> Please pardon my ignorance, but what do you mean by IA32E?  x86_64?
>>>> x86 + PAE ?
>>> 
>>> It's Intel's name for 64-bit mode (or long mode, or x86/64, or
>>> whatever you want to call it).
>>> 
>>>   -- Keir
>> 
>> IA32E is x86_64 mode, not x86 + PAE, not IA64. It is a official name
>> in Intel. :)
> 
> IA-32e is the name for an architectural mode; there is no mode like
> x86_64. Since IA-32e mode (added by Intel Extended Memory 64
> Technology) operates in one of two sub-modes, i.e. 64-bit mode or
> compatibility mode, using "64-bit (mode)" is clearer.   
> 
yes, Jun is correct.

EM64T(Extended Memory 64 Technology) have 2 modes, one is leacy IA32
mode and other is IA32E mode.

Thank you, Jun.

>> 
>> Kuiliang
>> 
> 
> 
> Jun
> ---
> Intel Open Source Technology Center

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel