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Date: Thu, 2 Nov 2017 19:25:14 -0700 From: Dan Williams <dan.j.williams@...el.com> To: Haozhong Zhang <haozhong.zhang@...el.com> Cc: KVM list <kvm@...r.kernel.org>, X86 ML <x86@...nel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Paolo Bonzini <pbonzini@...hat.com>, rkrcmar@...hat.com, Xiao Guangrong <xiaoguangrong.eric@...il.com>, "Cuevas Escareno, Ivan D" <ivan.d.cuevas.escareno@...el.com>, "Kumar, Karthik" <karthik.kumar@...el.com>, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, Olif Chapman <olif.chapman@...cle.com> Subject: Re: [PATCH v3 2/3] KVM: add converters between pfn_t and kvm_pfn_t On Thu, Nov 2, 2017 at 6:16 PM, Haozhong Zhang <haozhong.zhang@...el.com> wrote: > Signed-off-by: Haozhong Zhang <haozhong.zhang@...el.com> > --- > 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?
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