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xen: use _PAGE_IOMAP in ioremap to do machine mappings
authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Thu, 4 Feb 2010 22:46:34 +0000 (14:46 -0800)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Mon, 7 Jun 2010 18:32:33 +0000 (14:32 -0400)
In a Xen domain, ioremap operates on machine addresses, not
pseudo-physical addresses.  We use _PAGE_IOMAP to determine whether a
mapping is intended for machine addresses.

[ Impact: allow Xen domain to map real hardware ]

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

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