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xen: privcmd: support autotranslated physmap guests.
PVH and ARM only support the batch interface. To map a foreign page to a process, the PFN must be allocated and the autotranslated path uses ballooning for that purpose. The returned PFN is then mapped to the foreign page. xen_unmap_domain_mfn_range() is introduced to unmap these pages via the privcmd close call. Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Mukesh Rathor <mukesh.rathor@oracle.com> [v1: Fix up privcmd_close] Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Ian Campbell <ian.campbell@citrix.com> [v2: used for ARM too]
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Mukesh Rathor
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Ian Campbell
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Nov 29, 2012
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