linux-kernel - Re: [PATCH 4.9 STABLE] kvm: mmu: Don't read PDPTEs when paging is not enabled

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Message-ID: <20191113011828.GL8496@sasha-vm>
Date:   Tue, 12 Nov 2019 20:18:28 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     Sean Christopherson <sean.j.christopherson@...el.com>
Cc:     stable@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Junaid Shahid <junaids@...gle.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4.9 STABLE] kvm: mmu: Don't read PDPTEs when paging is
 not enabled

On Mon, Nov 11, 2019 at 03:50:19PM -0800, Sean Christopherson wrote:
>From: Junaid Shahid <junaids@...gle.com>
>
>Upstream commit d35b34a9a70edae7ef923f100e51b8b5ae9fe899.
>
>kvm should not attempt to read guest PDPTEs when CR0.PG = 0 and
>CR4.PAE = 1.
>
>Signed-off-by: Junaid Shahid <junaids@...gle.com>
>Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
>Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>

Queued up for 4.9, thank you.

-- 
Thanks,
Sasha