Re: [PATCH 01/23] KVM: MMU: pass uses_nx directly to reset_shadow_zero_bits_mask

From: Paolo Bonzini
Date: Sat Feb 05 2022 - 09:52:29 EST


On 2/4/22 18:59, David Matlack wrote:
+ reset_shadow_zero_bits_mask(vcpu, context, is_efer_nx(context));

Out of curiousity, how does KVM mitigate iTLB multi-hit when shadowing
NPT and the guest has not enabled EFER.NX?

You got me worried for a second but iTLB multihit is Intel-only, isn't it?

Paolo