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SubjectRe: [4/7] Xen VMM patch set : /dev/mem io_remap_page_range for CONFIG_XEN
On Tue, 30 Nov 2004 04:08:12 +0100
Andrea Arcangeli <> wrote:

> There's also an issue with io_remap_page_range where sparc has 6 args
> while everyone else has 5 args.

It's there to handle larger than 32-bit I/O physical addresses
on sparc32.

WLI's work on remap_pfn_range() was meant to eventually turn
the various io_remap_page_range() routines over the be pfn
based as well. Then sparc32 wouldn't need that extra arg
any longer.
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