Re: [PATCH] KVM: x86/mmu: Skip MMIO SPTE invalidation if enable_mmio_caching=0
From: Sean Christopherson
Date: Wed Oct 15 2025 - 14:06:17 EST
On Fri, 26 Sep 2025 15:51:39 +0200, Dmytro Maluka wrote:
> If MMIO caching is disabled, there are no MMIO SPTEs to invalidate, so
> the costly zapping of all pages is unnecessary even in the unlikely case
> when the MMIO generation number has wrapped.
Applied to kvm-x86 mmu, thanks!
[1/1] KVM: x86/mmu: Skip MMIO SPTE invalidation if enable_mmio_caching=0
https://github.com/kvm-x86/linux/commit/b850841a53c5
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