linux-kernel - Re: [PATCH 0/12] Nested SVM cleanups

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Message-ID: <4A704EAC.6070201@suse.de>
Date:	Wed, 29 Jul 2009 15:29:16 +0200
From:	Alexander Graf <agraf@...e.de>
To:	Avi Kivity <avi@...hat.com>
Cc:	Joerg Roedel <joerg.roedel@....com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/12] Nested SVM cleanups

Avi Kivity wrote:
> On 07/29/2009 04:09 PM, Joerg Roedel wrote:
>>> I seem to recall nested smp used to be broken.  Am I mistaken, or do
>>> these patches fix rather than clean up?
>>>      
>>
>> Nested SMP was broken in one of the early version of the nested SVM
>> code. In the current upstream version it works quite well.
>>    
>
> In that case, the next interesting target is nested npt.  This may
> actually make nsvm perform well.  Any plans?

IMHO the next interesting target is nested Hyper-V :-).

But yes, nested NPT is really interesting too and more on the lines of
what Joerg's precious time should be spent on ;-). I'll try and see if I
can get nested Hyper-V running until LPC.

Alex

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