On Thursday, February 13, 2014 11:34:45 PM Luck, Tony wrote:
> > All definitions are equal except ACPI_UINT64_MAX for CONFIG_IA64. It
> > is changed from sizeof(unsigned long) to sizeof(unsigned long long).
> > By investigation, 64bit Linux kernel build is LP64 compliant, i.e.,
> > sizeof(long) and (pointer) are 64. As sizeof(unsigned long) equals to
> > sizeof(unsigned long long) on IA64 platform where CONFIG_64BIT cannot be
> > disabled, this change actually will not affect the value of
> > ACPI_UINT64_MAX on IA64 platforms.
>
> This all looks correct to me - it really shouldn't make any difference
> to ia64 whether we use "long" or "long long" ... both are 8-byte entities.
> The compiler would complain in some places if you mixed & matched
> incorrectly (e.g. printk("val = %ld\n", val); will give a warning if val has
> been switched from "long" to "long long" and the format would need
> to change to "%lld"). But it looks like nothing like that happens as a
> result of this patch. All my ia64 configs build with no new warnings.
>
> Boots OK too.
Great, thanks for the confirmation!
I'm going to queue this up for 3.15.
Rafael
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