Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH] [19/50] Experimental: detect if SVM is disabled by BIOS | Date | Mon, 1 Oct 2007 18:47:50 +0200 |
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On Saturday 22 September 2007 11:17:08 Joerg Roedel wrote: > I don't think we need this patch. When SVM is disabled KVM will tell on > module load.
The point is that people often want to know in advance (before they even try to use KVM or Xen) if their CPU and BIOS supports this.
> Further with SVM-lock it will be possible to re-enable SVM > even if it was disabled by BIOS using a key. In this case the user of > SVM has to clear the capability bit you set in this patch for all cpus.
Not sure I follow you. Can you clarify? What exactly needs to be done to do a full non reversible lock?
-Andi
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