arch: Move smp_mb__{before,after}_atomic_{inc,dec}.h into asm/atomic.h
Move the barriers functions that depend on the atomic implementation into the atomic implementation. Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Vineet Gupta <vgupta@synopsys.com> [for arch/arc bits] Cc: Peter Zijlstra <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/20131213150640.786183683@infradead.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Ingo Molnar

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@@ -160,8 +160,12 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
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#define atomic_sub_and_test(i, v) (atomic_sub_return(i, (v)) == 0)
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#define atomic_add_negative(i, v) (atomic_add_return(i, (v)) < 0)
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#define atomic_inc_return(v) (atomic_add_return(1, v))
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#define atomic_dec_return(v) (atomic_sub_return(1, v))
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#define smp_mb__before_atomic_dec() barrier()
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#define smp_mb__after_atomic_dec() barrier()
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#define smp_mb__before_atomic_inc() barrier()
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#define smp_mb__after_atomic_inc() barrier()
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#endif
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