linux-kernel - Re: [PATCH] SVM: reliably detect if SVM was disabled by BIOS

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Date:	Fri, 22 Jun 2007 11:35:59 +0200
From:	"Joerg Roedel" <joerg.roedel@....com>
To:	"Avi Kivity" <avi@...ranet.com>
cc:	kvm-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] SVM: reliably detect if SVM was disabled by BIOS

On Fri, Jun 22, 2007 at 12:30:48PM +0300, Avi Kivity wrote:
> Joerg Roedel wrote:
> > From: Joerg Roedel <joerg.roedel@....com>
> >
> > This patch adds an implementation to the svm is_disabled function to
> > detect reliably if the BIOS disabled the SVM feature in the CPU. This
> > fixes the issues with kernel panics when loading the kvm-amd module on
> > machines where SVM is available but disabled.
> >
> >   
> 
> Applied; thanks.
> 
> Is this msr documented anywhere?  I assume it is implemented on all
> processors with svm?

Not in the public documentation yet. But it will be documented with one of
the next documentation updates. This MSR is implemented in all SVM
capable processors.

Regards,

Joerg

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