linux-kernel - Re: i686 quirk for AMD Geode

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Message-ID: <4AF9435F.2070103@redhat.com>
Date:	Tue, 10 Nov 2009 12:41:35 +0200
From:	Avi Kivity <avi@...hat.com>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Willy Tarreau <w@....eu>, Alan Cox <alan@...rguk.ukuu.org.uk>,
	Pavel Machek <pavel@....cz>,
	Matteo Croce <technoboy85@...il.com>,
	Sven-Haegar Koch <haegar@...net.de>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: i686 quirk for AMD Geode

On 11/10/2009 08:02 AM, H. Peter Anvin wrote:
> On 11/09/2009 09:27 PM, Willy Tarreau wrote:
>    
>> Also, I think that if we start adding emulation, a global and per-task
>> counter would immensely help to know what processes make intensive use
>> of emulation.
>>
>>      
> Agreed.
>
> My first question would be if the interpreter in KVM can be reused in
> any way.
>
>    

In theory yes.  There would need to be a bit of work to disassociate it 
from kvm, but nothing too difficult.

Note that the kvm x86 emulator is more general than need be (emulates 
real mode code and cpl 0 instructions) and less general than needed 
(many instructions are not emulated, for example nopl).

-- 
error compiling committee.c: too many arguments to function

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