Re: [RFC PATCH 0/9] KVM: x86/mmu: Preserve Accessed bits on PROT changes

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Subject: Re: [RFC PATCH 0/9] KVM: x86/mmu: Preserve Accessed bits on PROT changes
From: David Matlack <dmatlack@xxxxxxxxxx>
Date: Mon, 5 Aug 2024 09:45:27 -0700
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>, kvm@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20240801183453.57199-1-seanjc@google.com>
References: <20240801183453.57199-1-seanjc@google.com>

On Thu, Aug 1, 2024 at 11:35 AM Sean Christopherson <seanjc@xxxxxxxxxx> wrote:
>
> This applies on top of the massive "follow pfn" rework[*].  The gist is to
> avoid losing accessed information, e.g. because NUMA balancing mucks with
> PTEs,

What do you mean by "NUMA balancing mucks with PTEs"?

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  - From: Sean Christopherson

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