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SubjectRe: [PATCH 2/4] KVM: x86/mmu: Defer "full" MMU setup until after vendor hardware_setup()
On Fri, Jun 24, 2022 at 11:27:33PM +0000, Sean Christopherson wrote:
> @@ -11937,6 +11932,10 @@ int kvm_arch_hardware_setup(void *opaque)
>
> kvm_ops_update(ops);
>
> + r = kvm_mmu_hardware_setup();
> + if (r)
> + goto out_unsetup;
> +
> kvm_register_perf_callbacks(ops->handle_intel_pt_intr);
>
> if (!kvm_cpu_cap_has(X86_FEATURE_XSAVES))
> @@ -11960,12 +11959,18 @@ int kvm_arch_hardware_setup(void *opaque)
> kvm_caps.default_tsc_scaling_ratio = 1ULL << kvm_caps.tsc_scaling_ratio_frac_bits;
> kvm_init_msr_list();
> return 0;
> +
> +out_unsetup:
> + static_call(kvm_x86_hardware_unsetup)();

Should this be kvm_mmu_hardware_unsetup()? Or did I miss something?..

--
Peter Xu

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