Re: [Xen-devel] Re: [Xen-changelog] New memory_op subops which return the apparent or actual physical address map.

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 26 May 2006, at 10:23, Chris Wright wrote:

> > +    case XENMEM_memory_map:
> > +    {
> > +        return -ENOSYS;
> > +    }
> Is this meant to be a place holder?  Did you plan to replace the
> hardcoded single entry map later?
It will be properly defined for mini-xen, where it will return the real 
physical memory map. It could also be properly defined for 
auto-translate guests (where Xen manages the pseudo-physical space and 
therefore it is reasonable for Xen to provide the pseuophys e820 map). 
It could also be properly defined for all guests if the guest loader 
could poke down e820 maps.
 -- Keir


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