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Date: Wed, 28 Jun 2023 16:02:05 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Yan Zhao <yan.y.zhao@...el.com>
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
pbonzini@...hat.com, chao.gao@...el.com, kai.huang@...el.com,
robert.hoo.linux@...il.com
Subject: Re: [PATCH v3 00/11] KVM: x86/mmu: refine memtype related mmu zap
On Fri, Jun 16, 2023, Yan Zhao wrote:
> This series refines mmu zap caused by EPT memory type update when guest
> MTRRs are honored.
...
> Yan Zhao (11):
> KVM: x86/mmu: helpers to return if KVM honors guest MTRRs
> KVM: x86/mmu: Use KVM honors guest MTRRs helper in
> kvm_tdp_page_fault()
> KVM: x86/mmu: Use KVM honors guest MTRRs helper when CR0.CD toggles
> KVM: x86/mmu: Use KVM honors guest MTRRs helper when update mtrr
> KVM: x86/mmu: zap KVM TDP when noncoherent DMA assignment starts/stops
> KVM: x86/mmu: move TDP zaps from guest MTRRs update to CR0.CD toggling
> KVM: VMX: drop IPAT in memtype when CD=1 for
> KVM_X86_QUIRK_CD_NW_CLEARED
> KVM: x86: move vmx code to get EPT memtype when CR0.CD=1 to x86 common
> code
> KVM: x86/mmu: serialize vCPUs to zap gfn when guest MTRRs are honored
> KVM: x86/mmu: fine-grained gfn zap when guest MTRRs are honored
> KVM: x86/mmu: split a single gfn zap range when guest MTRRs are
> honored
I got through the easy patches, I'll circle back for the last few patches in a
few weeks (probably 3+ weeks at this point).
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