On Mon, 2014-04-14 at 13:55 -0400, Pranith Kumar wrote: Are there some benchmark comparison results you neglected to attach?
> diff --git a/arch/arm64/include/asm/atomic.h b/arch/arm64/include/asm/atomic.h [] > @@ -235,6 +244,7 @@ static inline long atomic64_cmpxchg(atomic64_t > *ptr, long old, long new) > unsigned long res; > > smp_mb(); > + prefetchw(&v->counter); Does this compile? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
