Re: [PATCH] KVM: x86/mmu: Exempt nested EPT page tables from !USER, CR0.WP=0 logic

[Sean Christopherson]

On Mon, 02 Jun 2025 16:48:51 -0700, Sean Christopherson wrote:
> Exempt nested EPT shadow pages tables from the CR0.WP=0 handling of
> supervisor writes, as EPT doesn't have a U/S bit and isn't affected by
> CR0.WP (or CR4.SMEP in the exception to the exception).
> 
> Opportunistically refresh the comment to explain what KVM is doing, as
> the only record of why KVM shoves in WRITE and drops USER is buried in
> years-old changelogs.
> 
> [...]

Applied to kvm-x86 mmu, thanks!

[1/1] KVM: x86/mmu: Exempt nested EPT page tables from !USER, CR0.WP=0 logic
      https://github.com/kvm-x86/linux/commit/ffced8922050

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https://github.com/kvm-x86/kvm-unit-tests/tree/next