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From: Matthias Lange <mlange@sec.t-labs.tu-berlin.de>
To: kvm@vger.kernel.org
Subject: Re: [RFC][PATCH] Add support for the GUEST_SMBASE VMCS field for Intel VT-x.
Date: Tue, 5 Jun 2012 20:27:59 +0200	[thread overview]
Message-ID: <20120605182759.GA23670@rhea> (raw)
In-Reply-To: <4FCE050A.8070709@redhat.com>

On Tue, Jun 05, 2012 at 04:09:30PM +0300, Avi Kivity wrote:
> On 06/05/2012 02:59 PM, Matthias Lange wrote:
> > Do you mean the ABI defined in the Intel Software Developer's manual 3B? Or is
> > vmcs12 only an ABI internal to the kvm module?
> 
> The latter.  We want to be able to live migrate a guest with nested
> guests, and if the format of vmcs12 changes, the migration will break.

I'm trying to understand how the migration is implemented in kvm. Can you
point me to some sort of documentation or pieces of code where I can start
digging through the mechanism?

Thanks,
Matthias.


-- 
Dipl.-Inf. Matthias Lange <mlange@sec.t-labs.tu-berlin.de>
Security in Telecommunications
TU Berlin / Telekom Innovation Laboratories
Ernst-Reuter-Platz 7, 10587 Berlin
Phone: +49 - 30 - 8353 58 553
Mobile: +49 - 160 - 587 28 07
Web: http://www.t-labs.tu-berlin.de/sect

  reply	other threads:[~2012-06-05 18:28 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-18  9:34 [RFC][PATCH] Add support for the GUEST_SMBASE VMCS field for Intel VT-x Matthias Lange
2012-05-20 12:39 ` Avi Kivity
2012-06-05 11:59   ` Matthias Lange
2012-06-05 13:09     ` Avi Kivity
2012-06-05 18:27       ` Matthias Lange [this message]
2012-06-06  7:55         ` Avi Kivity

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