linux-kernel - Re: [PATCH 0/8 v3] KVM support for 1GB pages

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Message-ID: <20090622094953.GE5139@amd.com>
Date:	Mon, 22 Jun 2009 11:49:53 +0200
From:	Joerg Roedel <joerg.roedel@....com>
To:	Avi Kivity <avi@...hat.com>
CC:	Marcelo Tosatti <marcelo@...ck.org>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/8 v3] KVM support for 1GB pages

On Mon, Jun 22, 2009 at 12:43:40PM +0300, Avi Kivity wrote:
> On 06/22/2009 12:40 PM, Joerg Roedel wrote:
>>> Can you describe how the code fails with shadow paging?
>>>      
>>
>> After the rework it even fails to boot a guest with gbpages enabled. This week
>> is a bit tight but I will debug this further next week.
>>    
>
> Does the failure happen only when both guest/host use gbpages, or does  
> it also happen if gbpages is disabled on either one?

It happens only when the guest uses gbpages. If I disable them at boot the
linux guest boots fine and runs stable.

Joerg

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