linux-kernel - Re: [PATCH 1/4] KVM: nSVM: fix condition for filtering async PF

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Message-ID: <20200518150501.GA3632@linux.intel.com>
Date:   Mon, 18 May 2020 08:05:01 -0700
From:   Sean Christopherson <sean.j.christopherson@...el.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        peterx@...hat.com
Subject: Re: [PATCH 1/4] KVM: nSVM: fix condition for filtering async PF

On Sat, May 16, 2020 at 09:53:08AM -0400, Paolo Bonzini wrote:
> Async page faults have to be trapped in the host (L1 in this
> case), since the APC reason was passed from L0 to L1 and stored
> in the L1 APF data page.  This was completely reversed, as the
> page faults were passed to the guest (a L2 hypervisor).
> 
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
> ---

Reviewed-by: Sean Christopherson <sean.j.christopherson@...el.com>