Fix powerpc uatomic 4-byte cmpxchg (cmpd -> cmpw)

[urcu.git] / urcu-qsbr-static.h

diff --git a/urcu-qsbr-static.h b/urcu-qsbr-static.h
index 8822e050bac8aaa00a8c210dfb122193f2e90280..86f0fc507449451d70f276571d3c6aa1be61d98a 100644 (file)
--- a/urcu-qsbr-static.h
+++ b/urcu-qsbr-static.h
@@ -155,23 +155,13 @@ static inline void wake_up_gp(void)
        }
 }
 
-#if (BITS_PER_LONG < 64)
 static inline int rcu_gp_ongoing(unsigned long *ctr)
 {
        unsigned long v;
 
        v = LOAD_SHARED(*ctr);
-       return v && ((v ^ rcu_gp_ctr) & RCU_GP_CTR);
+       return v && (v != rcu_gp_ctr);
 }
-#else /* !(BITS_PER_LONG < 64) */
-static inline int rcu_gp_ongoing(unsigned long *ctr)
-{
-       unsigned long v;
-
-       v = LOAD_SHARED(*ctr);
-       return v && (v - rcu_gp_ctr > ULONG_MAX / 2);
-}
-#endif  /* !(BITS_PER_LONG < 64) */
 
 static inline void _rcu_read_lock(void)
 {