From: Sean Christopherson <seanjc@google.com>
To: David Matlack <dmatlack@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Yosry Ahmed <yosryahmed@google.com>,
Mingwei Zhang <mizhang@google.com>,
Ben Gardon <bgardon@google.com>
Subject: Re: [PATCH v2 4/6] KVM: x86/mmu: Track the number of TDP MMU pages, but not the actual pages
Date: Mon, 25 Jul 2022 23:27:19 +0000 [thread overview]
Message-ID: <Yt8m1xWgwLP1Ecw9@google.com> (raw)
In-Reply-To: <Yt8lZGrU0wqrPi5j@google.com>
On Mon, Jul 25, 2022, David Matlack wrote:
> > diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
> > index 246b69262b93..5c269b2556d6 100644
> > --- a/arch/x86/include/asm/kvm_host.h
> > +++ b/arch/x86/include/asm/kvm_host.h
> > @@ -1271,6 +1271,9 @@ struct kvm_arch {
> > */
> > bool tdp_mmu_enabled;
> >
> > + /* The number of TDP MMU pages across all roots. */
> > + atomic64_t tdp_mmu_pages;
>
> This is the number of non-root TDP MMU pages, right?
Yes.
next prev parent reply other threads:[~2022-07-25 23:27 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-23 1:23 [PATCH v2 0/6] KVM: x86: Apply NX mitigation more precisely Sean Christopherson
2022-07-23 1:23 ` [PATCH v2 1/6] KVM: x86/mmu: Tag disallowed NX huge pages even if they're not tracked Sean Christopherson
2022-07-25 22:49 ` David Matlack
2022-07-25 23:26 ` Sean Christopherson
2022-07-25 23:45 ` David Matlack
2022-07-26 0:01 ` Sean Christopherson
2022-07-28 22:11 ` Paolo Bonzini
2022-07-23 1:23 ` [PATCH v2 2/6] KVM: x86/mmu: Properly account NX huge page workaround for nonpaging MMUs Sean Christopherson
2022-07-25 23:05 ` David Matlack
2022-07-25 23:08 ` David Matlack
2022-07-28 20:15 ` Paolo Bonzini
2022-07-23 1:23 ` [PATCH v2 3/6] KVM: x86/mmu: Set disallowed_nx_huge_page in TDP MMU before setting SPTE Sean Christopherson
2022-07-25 23:16 ` David Matlack
2022-07-23 1:23 ` [PATCH v2 4/6] KVM: x86/mmu: Track the number of TDP MMU pages, but not the actual pages Sean Christopherson
2022-07-25 23:21 ` David Matlack
2022-07-25 23:27 ` Sean Christopherson [this message]
2022-07-27 2:41 ` Yan Zhao
2022-07-27 19:04 ` Sean Christopherson
2022-07-29 1:02 ` Yan Zhao
2022-07-23 1:23 ` [PATCH v2 5/6] KVM: x86/mmu: Add helper to convert SPTE value to its shadow page Sean Christopherson
2022-07-25 23:23 ` David Matlack
2022-07-25 23:33 ` Sean Christopherson
2022-07-23 1:23 ` [PATCH v2 6/6] KVM: x86/mmu: explicitly check nx_hugepage in disallowed_hugepage_adjust() Sean Christopherson
2022-07-25 23:28 ` David Matlack
2022-07-26 5:37 ` [PATCH v2 0/6] KVM: x86: Apply NX mitigation more precisely Mingwei Zhang
2022-07-26 16:40 ` Sean Christopherson
2022-07-26 17:21 ` Sean Christopherson
2022-07-28 20:17 ` Paolo Bonzini
2022-07-28 21:20 ` Sean Christopherson
2022-07-28 21:41 ` Mingwei Zhang
2022-07-28 22:09 ` Paolo Bonzini
2022-07-28 22:15 ` Sean Christopherson
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