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Date: Sun, 5 Jul 2009 13:25:45 +0200 From: Ingo Molnar <mingo@...e.hu> To: Paul Mackerras <paulus@...ba.org> Cc: mingo@...hat.com, hpa@...or.com, acme@...hat.com, linux-kernel@...r.kernel.org, eric.dumazet@...il.com, torvalds@...ux-foundation.org, a.p.zijlstra@...llo.nl, efault@....de, arnd@...db.de, fweisbec@...il.com, dhowells@...hat.com, akpm@...ux-foundation.org, tglx@...utronix.de, linux-tip-commits@...r.kernel.org Subject: Re: [tip:perfcounters/urgent] x86: atomic64: Move the 32-bit atomic64_t implementation to a .c file * Paul Mackerras <paulus@...ba.org> wrote: > 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? That did not occur to me and it makes sense - this would clean up a few explicit s64 casts we do there currently. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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