fix sparc32 SMP build regression

PATCH Applied Robert Reif 2 participants 2 messages Mar 27, 2007 SPARC + UltraSPARC (sparc/sparc64)

lore

Share & tools

lore

Robert Reif

author

2007-03-27 02:03 UTC #0 lore raw

PATCH 1/1 fix sparc32 SMP build regression

commit b19cbe2a1695c09c74f83646c4b82b51123b3690 [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.

Compile tested only.

Signed-off-by Robert Reif <[email protected]>

arch/sparc/lib/atomic32.c +2 -0

index 53ddcd9..559335f 100644
@@ -52,6 +52,7 @@ int atomic_cmpxchg(atomic_t *v, int old,
 	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
 	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)

David Miller

maintainer Applied

2007-03-27 02:11 UTC #1 lore raw

From: Robert Reif <[email protected]>
Date: 26 Mar 2007 22:03:10 -0400

Quoted 10 lines

commit b19cbe2a1695c09c74f83646c4b82b51123b3690 [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.
Compile tested only.
Signed-off-by Robert Reif <[email protected]>

Applied, thanks Robert.