linux-kernel - Re: [PATCH 05/12] kvm/svm: copy only necessary parts of the control area on vmrun/vmexit

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Message-ID: <20090729134714.GJ18313@amd.com>
Date:	Wed, 29 Jul 2009 15:47:14 +0200
From:	Joerg Roedel <joerg.roedel@....com>
To:	Alexander Graf <agraf@...e.de>
CC:	Avi Kivity <avi@...hat.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 05/12] kvm/svm: copy only necessary parts of the
 control area on vmrun/vmexit

On Wed, Jul 29, 2009 at 03:30:01PM +0200, Alexander Graf wrote:
> Joerg Roedel wrote:
> > Signed-off-by: Joerg Roedel <joerg.roedel@....com>
> >   
> 
> What's the reason behind this?
> 
> Acked-by: Alexander Graf <agraf@...e.de>

Reason is to not copy the reserved fields of the control area. These
fields sum up to size of 899 bytes which are unnecessarily copied.

	Joerg


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