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Message-ID: <8d99cdf0-606a-f4df-35e7-3b856bb3ea0e@redhat.com>
Date: Tue, 24 Mar 2020 00:50:53 +0100
From: Paolo Bonzini <pbonzini@...hat.com>
To: Sean Christopherson <sean.j.christopherson@...el.com>,
Jim Mattson <jmattson@...gle.com>
Cc: 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 23/03/20 17:44, Sean Christopherson wrote:
> So I think
>
> Fixes: 14c07ad89f4d ("x86/kvm/mmu: introduce guest_mmu")
>
> would be appropriate?
>
Yes. I changed it and also added the comment
+ /*
+ * Nested EPT roots are always held through guest_mmu,
+ * not root_mmu.
+ */
which isn't unlike what you suggested elsewhere in the thread.
Paolo
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