From: Paolo Bonzini <pbonzini@redhat.com>
To: Sean Christopherson <seanjc@google.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>,
Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Ben Gardon <bgardon@google.com>,
Richard Herbert <rherbert@sympatico.ca>
Subject: Re: [PATCH 0/4] KVM: x86/mmu: Bug fixes and cleanups in get_mmio_spte()
Date: Mon, 21 Dec 2020 19:26:53 +0100 [thread overview]
Message-ID: <c706666a-3ef1-d4dc-bb3b-054867a80490@redhat.com> (raw)
In-Reply-To: <20201218003139.2167891-1-seanjc@google.com>
On 18/12/20 01:31, Sean Christopherson wrote:
> Two fixes for bugs that were introduced along with the TDP MMU (though I
> strongly suspect only the one reported by Richard, fixed in patch 2/4, is
> hittable in practice). Two additional cleanup on top to try and make the
> code a bit more readable and shave a few cycles.
>
> Sean Christopherson (4):
> KVM: x86/mmu: Use -1 to flag an undefined spte in get_mmio_spte()
> KVM: x86/mmu: Get root level from walkers when retrieving MMIO SPTE
> KVM: x86/mmu: Use raw level to index into MMIO walks' sptes array
> KVM: x86/mmu: Optimize not-present/MMIO SPTE check in get_mmio_spte()
>
> arch/x86/kvm/mmu/mmu.c | 53 +++++++++++++++++++++-----------------
> arch/x86/kvm/mmu/tdp_mmu.c | 9 ++++---
> arch/x86/kvm/mmu/tdp_mmu.h | 4 ++-
> 3 files changed, 39 insertions(+), 27 deletions(-)
>
Queued, thanks (and thanks for Ccing stable on the first two already :)).
Paolo
prev parent reply other threads:[~2020-12-21 18:28 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-18 0:31 [PATCH 0/4] KVM: x86/mmu: Bug fixes and cleanups in get_mmio_spte() Sean Christopherson
2020-12-18 0:31 ` [PATCH 1/4] KVM: x86/mmu: Use -1 to flag an undefined spte " Sean Christopherson
2020-12-18 8:58 ` Vitaly Kuznetsov
2020-12-21 17:05 ` Sean Christopherson
2020-12-18 0:31 ` [PATCH 2/4] KVM: x86/mmu: Get root level from walkers when retrieving MMIO SPTE Sean Christopherson
2020-12-18 9:10 ` Vitaly Kuznetsov
2020-12-21 18:24 ` Paolo Bonzini
2020-12-21 18:30 ` Sean Christopherson
2020-12-18 0:31 ` [PATCH 3/4] KVM: x86/mmu: Use raw level to index into MMIO walks' sptes array Sean Christopherson
2020-12-18 9:18 ` Vitaly Kuznetsov
2020-12-18 0:31 ` [PATCH 4/4] KVM: x86/mmu: Optimize not-present/MMIO SPTE check in get_mmio_spte() Sean Christopherson
2020-12-18 9:33 ` Vitaly Kuznetsov
[not found] ` <2346556.XAFRqVoOGU@starbug.dom>
2020-12-18 1:27 ` [PATCH 0/4] KVM: x86/mmu: Bug fixes and cleanups " Richard Herbert
2020-12-21 18:26 ` Paolo Bonzini [this message]
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