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RE: [Xen-ia64-devel] use of imp_va_msb in VTi
| To: | "Tristan Gingold" <Tristan.Gingold@xxxxxxxx>, <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-ia64-devel] use of imp_va_msb in VTi |
| From: | "Xu, Anthony" <anthony.xu@xxxxxxxxx> |
| Date: | Sat, 8 Apr 2006 00:32:52 +0800 |
| Delivery-date: | Fri, 07 Apr 2006 09:33:11 -0700 |
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| Thread-index: | AcZaTYX5LwL4y//bSiKmOhjzpaubegAEnEzw |
| Thread-topic: | [Xen-ia64-devel] use of imp_va_msb in VTi |
>From Tristan Gingold
>Sent: 2006?4?7? 22:18
>To: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
>Subject: [Xen-ia64-devel] use of imp_va_msb in VTi
>
>Hi,
>
>unimplemented_gva use imp_va_msb field of domain.arch:
>
>int unimplemented_gva(VCPU *vcpu,u64 vadr)
>{
> int bit=vcpu->domain->arch.imp_va_msb;
> u64 ladr =(vadr<<3)>>(3+bit);
> if(!ladr||ladr==(1U<<(61-bit))-1){
> return 0;
> }else{
> return 1;
> }
>}
>
>But I didn't find where it is written. Any hint ?
Good catch! Seems a bug,
Fortunately, it's not called.
Thanks,
anthony
>
>Thanks,
>Tristan.
>
>
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