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Re: [Xen-devel] pfn to mfn mapping for HVM domains?
| To: | "Bryan D. Payne" <bryan@xxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] pfn to mfn mapping for HVM domains? |
| From: | Steven Smith <sos22-xen@xxxxxxxxxxxxx> |
| Date: | Sun, 1 Oct 2006 18:50:22 +0100 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx, sos22@xxxxxxxxxxxxx |
| Delivery-date: | Sun, 01 Oct 2006 10:50:49 -0700 |
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> live_shinfo = xa_mmap_mfn(
> instance, PROT_READ, instance->info.shared_info_frame);
> if (live_shinfo == NULL){
> goto error_exit;
> }
>
> /* live_shinfo->arch.pfn_to_mfn_frame_list_list == NULL here for HVM
> domains */
Yes, that's expected. The P2M table in HVM domains is managed
entirely by the hypervisor, whereas it's mostly a guest-controlled
thing in PV domains. Try using xc_translate_gpfn_list instead, which
does P2M translation on HVM domains.
Steven.
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