linux-kernel - Re: [PATCH v3 03/37] KVM: nVMX: Invalidate all EPTP contexts when emulating INVEPT for L1

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Message-ID: <CALMp9eQ-rzdZHdM0DFzVyaynEhf0+e9rYGqi57fhN54VTFcNnA@mail.gmail.com>
Date:   Mon, 23 Mar 2020 17:12:04 -0700
From:   Jim Mattson <jmattson@...gle.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Sean Christopherson <sean.j.christopherson@...el.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Joerg Roedel <joro@...tes.org>, kvm list <kvm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ben Gardon <bgardon@...gle.com>,
        Junaid Shahid <junaids@...gle.com>,
        Liran Alon <liran.alon@...cle.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        John Haxby <john.haxby@...cle.com>,
        Miaohe Lin <linmiaohe@...wei.com>,
        Tom Lendacky <thomas.lendacky@....com>
Subject: Re: [PATCH v3 03/37] KVM: nVMX: Invalidate all EPTP contexts when
 emulating INVEPT for L1

On Mon, Mar 23, 2020 at 4:51 PM Paolo Bonzini <pbonzini@...hat.com> wrote:
>
> On 23/03/20 17:44, Sean Christopherson wrote:
> > So I think
> >
> >   Fixes: 14c07ad89f4d ("x86/kvm/mmu: introduce guest_mmu")
> >
> > would be appropriate?
> >
>
> Yes.

I think it was actually commit efebf0aaec3d ("KVM: nVMX: Do not flush
TLB on L1<->L2 transitions if L1 uses VPID and EPT").