tree 17d52ad1d7ae43007d8b664bbdba2a50db7dbb81
parent d8ac3dd41aea245f65465449efc35dd3ac71e91d
author David Vrabel <david.vrabel@citrix.com> 1420467221 +0000
committer David Vrabel <david.vrabel@citrix.com> 1422453790 +0000

xen/grant-table: pre-populate kernel unmap ops for xen_gnttab_unmap_refs()

When unmapping grants, instead of converting the kernel map ops to
unmap ops on the fly, pre-populate the set of unmap ops.

This allows the grant unmap for the kernel mappings to be trivially
batched in the future.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>