RE: [Xen-devel] [patch] more correct pfn_valid()

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> OK, got it. Then, aside from para-virtualized linux, do you 
> agree that some change should be made to unmodified vmx 
> domain build and DM? When domain creation in CP and when DM 
> services other domain, they shouldn't operate DomN's memory 
> by simply acquiring a plain continuous page_array which has 
> no hole information. Either extra information about hole, or 
> the page_array itself containing hole, should be added thereafter...

vmx domains already have a virtually mapped pfn->mfn table stored within
Xen.
See phys_to_machine_mapping(gpfn)

Ian

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