Re: [tip:perfcounters/urgent] x86: atomic64: Move the 32-bit atomic64_t implementation to a .c file

[Paul Mackerras]

tip-bot for Ingo Molnar writes:

> Also, while at it, rename all uses of 'unsigned long long' to
> the much shorter u64.
> 
> This makes the appearance of the prototypes a lot nicer - and
> it also uncovered a few bugs where (yet unused) API variants
> had 'long' as their return type instead of u64.

Did you consider making atomic64_t a signed type on 32-bit x86 like it
is on all 64-bit platforms, and like atomic_t is everywhere?

Paul.
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