Re: [PATCH v3 2/3] KVM: add converters between pfn_t and kvm_pfn_t

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On 11/02/17 19:25 -0700, Dan Williams wrote:
> On Thu, Nov 2, 2017 at 6:16 PM, Haozhong Zhang <haozhong.zhang@xxxxxxxxx> wrote:
> > Signed-off-by: Haozhong Zhang <haozhong.zhang@xxxxxxxxx>
> > ---
> >  include/linux/kvm_host.h | 3 +++
> >  1 file changed, 3 insertions(+)
> >
> > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
> > index 6882538eda32..759fe498c89e 100644
> > --- a/include/linux/kvm_host.h
> > +++ b/include/linux/kvm_host.h
> > @@ -67,6 +67,9 @@
> >  #define KVM_PFN_ERR_HWPOISON   (KVM_PFN_ERR_MASK + 1)
> >  #define KVM_PFN_ERR_RO_FAULT   (KVM_PFN_ERR_MASK + 2)
> >
> > +#define kvm_pfn_to_pfn(x) ((pfn_t){ .val = (x)})
> > +#define pfn_to_kvm_pfn(x) ((kvm_pfn_t)((x).val))
> 
> Shouldn't this mask off the kvm_pfn_t and  pfn_t specific bits when
> converting between the two?

Yes, I'll fix it.

Thanks,
Haozhong



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