Re: [PATCH 4/7] KVM: SVM: hyper-v: Nested enlightenments in VMCB

[Vineeth Pillai <viremana@xxxxxxxxxxxxxxxxxxx>]

On 4/8/21 11:44 AM, Paolo Bonzini wrote:
> On 07/04/21 16:41, Vineeth Pillai wrote:
> > +#define VMCB_ALL_CLEAN_MASK (__CLEAN_MASK | (1U << 
> > VMCB_HV_NESTED_ENLIGHTENMENTS))
> > +#else
> > +#define VMCB_ALL_CLEAN_MASK __CLEAN_MASK
> > +#endif
>
> I think this should depend on whether KVM is running on top of 
> Hyper-V; not on whether KVM is *compiled* with Hyper-V support.
>
> So you should turn VMCB_ALL_CLEAN_MASK into a __read_mostly variable.
Will do.

Thanks,
Vineeth