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    SubjectRe: [4/7] Xen VMM patch set : /dev/mem io_remap_page_range for CONFIG_XEN
    On Fri, Nov 19, 2004 at 11:22:51PM +0000, Ian Pratt wrote:
    > This patch modifies /dev/mem to call io_remap_page_range rather than
    > remap_pfn_range under CONFIG_XEN. This is required because in arch
    > xen we need to use a different function for mapping MMIO space vs
    > mapping psueudo-physical memory. This allows the X server and other
    > programs that use /dev/mem for MMIO to work under Xen.
    > Signed-off-by: ian.pratt@cl.cam.ac.uk

    This is safe from the io_remap_page_range() calling convention skew.
    All good.


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