linux-kernel - Re: [PATCH v3 0/6] KVM: MMU: performance tweaks for heavy CR0.WP users

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Date:   Mon, 6 Mar 2023 10:07:02 -0800
From:   Sean Christopherson <seanjc@...gle.com>
To:     Mathias Krause <minipli@...ecurity.net>
Cc:     kvm@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/6] KVM: MMU: performance tweaks for heavy CR0.WP users

On Mon, Mar 06, 2023, Mathias Krause wrote:
> On 01.02.23 20:45, Mathias Krause wrote:
> > Mathias Krause (5):
> >   KVM: VMX: Avoid retpoline call for control register caused exits
> >   KVM: x86: Do not unload MMU roots when only toggling CR0.WP
> >   KVM: x86: Make use of kvm_read_cr*_bits() when testing bits
> >   KVM: x86/mmu: Fix comment typo
> >   KVM: VMX: Make CR0.WP a guest owned bit
> > 
> > Paolo Bonzini (1):
> >   KVM: x86/mmu: Avoid indirect call for get_cr3
> > 
> >  arch/x86/kvm/kvm_cache_regs.h   |  3 ++-
> >  arch/x86/kvm/mmu/mmu.c          | 31 ++++++++++++++++++++-----------
> >  arch/x86/kvm/mmu/paging_tmpl.h  |  2 +-
> >  arch/x86/kvm/mmu/spte.c         |  2 +-
> >  arch/x86/kvm/pmu.c              |  4 ++--
> >  arch/x86/kvm/vmx/capabilities.h |  1 +
> >  arch/x86/kvm/vmx/nested.c       |  4 ++--
> >  arch/x86/kvm/vmx/vmx.c          | 15 ++++++++++++---
> >  arch/x86/kvm/vmx/vmx.h          |  8 ++++++++
> >  arch/x86/kvm/x86.c              |  9 +++++++++
> >  10 files changed, 58 insertions(+), 21 deletions(-)
> 
> Ping!
> 
> Anything I can do to help getting this series reviewed and hopefully merged?

I'm slowly getting there...

https://lore.kernel.org/kvm/Y%2Fk+n6HqfLNmmmtM@google.com