Re: [Xen-devel] Regressions in v3.3-rc1 introduced by "xen/granttable: Grant tables V2 implementation"

[Paul Durrant <Paul.Durrant@xxxxxxxxxx>]

> -----Original Message-----
> 
> On HVM for gnttab_shared we make an add_to_physmap call with
> XENMAPSPACE_grant_table (in gnttab_map). I don't see any support call to
> do something similar for the status array though and I don't see a
> XENMAPSPACE_* specifically for that case either in the hypervisor either.
> 

There is no map-space for the status pages. To map them you use the standard 
map space but OR a bit (top bit IIRC) into in the idx. It's a bit icky, but 
that's how it is.

  Paul

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