Re: [PATCH 0/3] KVM: Performance and correctness fixes for CLEAR_DIRTY_LOG

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On Tue, Nov 7, 2023 at 4:05 PM Sean Christopherson <seanjc@xxxxxxxxxx> wrote:
>
> On Fri, Oct 27, 2023, David Matlack wrote:
> > This series reduces the impact of CLEAR_DIRTY_LOG on guest performance
> > (Patch 3) and fixes 2 minor bugs found along the way (Patches 1 and 2).
> > David Matlack (3):
> >   KVM: x86/mmu: Fix off-by-1 when splitting huge pages during CLEAR
> >   KVM: x86/mmu: Check for leaf SPTE when clearing dirty bit in the TDP
> >     MMU
> >   KVM: Aggressively drop and reacquire mmu_lock during CLEAR_DIRTY_LOG
>
> Is there an actual dependency between 1-2 and 3?  AFAICT, no?  I ask because I
> can take the first two as soon as -rc1 is out, but the generic change definitely
> needs testing and acks from other architectures.

No, there isn't any dependency between any of the commits. Feel free
to grab 1-2 independent of 3.





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