xen: use _PAGE_IOMAP in ioremap to do machine mappings

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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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Jeremy Fitzhardinge 2010-02-04 14:46:34 -08:00 • committed by Konrad Rzeszutek Wilk

parent e40152ee1e

commit c0011dbfce

2 changed files with 71 additions and 8 deletions

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8

arch/x86/include/asm/xen/page.h

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71

arch/x86/xen/mmu.c

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