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Commit 74e61dee authored by Robert Reif's avatar Robert Reif Committed by David S. Miller
Browse files

[SPARC32]: Fix SMP build regression 



commit b19cbe2a [BRIDGE]: Fix fdb RCU
race

breaks sparc SMP build because atomic_add_unless is not exported.

This patch exports atomic_add_unless and atomic_cmpxchg.

Signed-off-by: default avatarRobert Reif <reif@earthlink.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b82f87f6

arch/sparc/lib/atomic32.c

+2 −0
Original line number Diff line number Diff line
@@ -52,6 +52,7 @@ int atomic_cmpxchg(atomic_t *v, int old, int new) 
	spin_unlock_irqrestore(ATOMIC_HASH(v), flags);

	return ret;

}

EXPORT_SYMBOL(atomic_cmpxchg);



int atomic_add_unless(atomic_t *v, int a, int u)

{
@@ -65,6 +66,7 @@ int atomic_add_unless(atomic_t *v, int a, int u) 
	spin_unlock_irqrestore(ATOMIC_HASH(v), flags);

	return ret != u;

}

EXPORT_SYMBOL(atomic_add_unless);



/* Atomic operations are already serializing */

void atomic_set(atomic_t *v, int i)