Re: [PATCH v18 032/121] KVM: x86/mmu: introduce config for PRIVATE KVM MMU

From: Paolo Bonzini
Date: Tue Feb 13 2024 - 11:49:47 EST


On Tue, Feb 13, 2024 at 3:57 AM Sean Christopherson <seanjc@xxxxxxxxxx> wrote:
> The only thing that even so much as approaches being a hot path is
> kvm_gfn_shared_mask(), and if that needs to be optimized, then we'd probably be
> better off with a static_key, a la kvm_has_noapic_vcpu (though I'm *extremely*
> skeptical that that adds any measurable benefit).

I'm okay with killing it altogether.

Paolo