On Thu, 2011-12-01 at 09:03 +0800, Luck, Tony wrote: > > 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". I see. So you think it is better to enclose page_is_ram() with #ifndef CONFIG_IA64 in the patch, so that only ioremap() is used? Best Regards, Huang Ying -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
