Re: [PATCH v2 05/11] KVM: x86: emulator: stop using raw host flags

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On Sat, 2023-01-28 at 00:58 +0000, Sean Christopherson wrote:
> On Tue, Nov 29, 2022, Maxim Levitsky wrote:
> > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> > index f18f579ebde81c..85d2a12c214dda 100644
> > --- a/arch/x86/kvm/x86.c
> > +++ b/arch/x86/kvm/x86.c
> > @@ -8138,9 +8138,14 @@ static void emulator_set_nmi_mask(struct x86_emulate_ctxt *ctxt, bool masked)
> >  	static_call(kvm_x86_set_nmi_mask)(emul_to_vcpu(ctxt), masked);
> >  }
> >  
> > -static unsigned emulator_get_hflags(struct x86_emulate_ctxt *ctxt)
> > +static bool emulator_in_smm(struct x86_emulate_ctxt *ctxt)
> >  {
> > -	return emul_to_vcpu(ctxt)->arch.hflags;
> > +	return emul_to_vcpu(ctxt)->arch.hflags & HF_SMM_MASK;
> 
> This needs to be is_smm() as HF_SMM_MASK is undefined if CONFIG_KVM_SMM=n.
> 
> > +}
> > +
> > +static bool emulator_in_guest_mode(struct x86_emulate_ctxt *ctxt)
> > +{
> > +	return emul_to_vcpu(ctxt)->arch.hflags & HF_GUEST_MASK;
> 
> And just use is_guest_mode() here.
> 

Makes sense.




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