> In the original acpi_read/write, we just call ioremap blindly, so the
> code in the below patch will not introduce new issue for ia64. Do you
> agree?
See arch/ia64/mm/ioremap.c ... ioremap() on ia64 is smart and looks
at attributes and makes new mapping match existing ones
That doesn't deal with long-lived mappings and changes that I just
mentioned in last e-mail - but it does mean that callers of ioremap()
don't need to worry ... they can call "blindly".
-Tony
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