Nit, s/Making/Make. On Tue, Jan 11, 2022, Like Xu wrote: > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c > index c194a8cbd25f..bff2ff8cb35f 100644 > --- a/arch/x86/kvm/x86.c > +++ b/arch/x86/kvm/x86.c > @@ -187,6 +187,11 @@ module_param(force_emulation_prefix, bool, S_IRUGO); > int __read_mostly pi_inject_timer = -1; > module_param(pi_inject_timer, bint, S_IRUGO | S_IWUSR); > > +/* Enable/disable PMU virtualization */ > +bool __read_mostly enable_pmu = true; > +EXPORT_SYMBOL_GPL(enable_pmu); > +module_param(enable_pmu, bool, 0444); I'm definitely in favor of enable_pmu instead of pmu for the KVM, variable, but I'd prefer we keep "pmu" for the module param, e.g. same as ept, vpid, etc...