On Wed, Oct 13, 2021, Vitaly Kuznetsov wrote: > diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h > index 592217fd7d92..2cdf66e6d1b0 100644 > --- a/arch/x86/kvm/vmx/vmx.h > +++ b/arch/x86/kvm/vmx/vmx.h > @@ -148,6 +148,15 @@ struct nested_vmx { > bool need_vmcs12_to_shadow_sync; > bool dirty_vmcs12; > > + /* > + * Indicates whether MSR bitmap for L2 needs to be rebuilt due to > + * changes in MSR bitmap for L1 or switching to a different L2. Note, > + * this flag can only be used reliably in conjunction with a paravirt L1 > + * which informs L0 whether any changes to MSR bitmap for L2 were done > + * on its side. > + */ > + bool msr_bitmap_force_recalc; Belated bikeshedding... What about need_msr_bitmap_recalc to follow the above need_vmcs12_to_shadow_sync? > + > /* > * Indicates lazily loaded guest state has not yet been decached from > * vmcs02. > -- > 2.31.1 >