linux-kernel - Re: [PATCH 1/9] KVM: SVM: Notify nested hypervisor of lost event injections

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Date:	Thu, 08 Oct 2009 18:12:28 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Joerg Roedel <joerg.roedel@....com>
CC:	Marcelo Tosatti <mtosatti@...hat.com>,
	Alexander Graf <agraf@...e.de>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/9] KVM: SVM: Notify nested hypervisor of lost event
 injections

On 10/08/2009 12:03 PM, Joerg Roedel wrote:
> From: Alexander Graf<agraf@...e.de>
>
> If event_inj is valid on a #vmexit the host CPU would write
> the contents to exit_int_info, so the hypervisor knows that
> the event wasn't injected.
>
> We don't do this in nested SVM by now which is a bug and
> fixed by this patch.
>    

We need to start thinking about regression tests for these bugs.  It 
would be relatively easy to set up something with save->cr3 == cr3 (i.e. 
no isolation, mmu virtualization, etc.).


-- 
error compiling committee.c: too many arguments to function

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