linux-kernel - Re: [PATCH v2] kvm: nVMX: check vmcs12 for valid activity state

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Message-ID: <20130416212246.GA21566@amt.cnet>
Date:	Tue, 16 Apr 2013 18:22:46 -0300
From:	Marcelo Tosatti <mtosatti@...hat.com>
To:	Paolo Bonzini <pbonzini@...hat.com>
Cc:	linux-kernel@...r.kernel.org, gnatapov@...hat.com,
	jan.kiszka@...mens.com, kvm@...r.kernel.org
Subject: Re: [PATCH v2] kvm: nVMX: check vmcs12 for valid activity state

On Mon, Apr 15, 2013 at 03:00:27PM +0200, Paolo Bonzini wrote:
> KVM does not use the activity state VMCS field, and does not support
> it in nested VMX either (the corresponding bits in the misc VMX feature
> MSR are zero).  Fail entry if the activity state is set to anything but
> "active".
> 
> Since the value will always be the same for L1 and L2, we do not need
> to read and write the corresponding VMCS field on L1/L2 transitions,
> either.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>

Applied, thanks.

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