signal-based urcu: rename force_mb_all_threads -> force_mb_all_readers
authorMathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Wed, 13 Jan 2010 16:37:14 +0000 (11:37 -0500)
committerMathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Wed, 13 Jan 2010 16:37:14 +0000 (11:37 -0500)
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
urcu-static.h
urcu.c

index bd11be8d212fbd942d42ba00fd33711347b04c39..0708df7c344038682595a39b3eb0fe977200d859 100644 (file)
@@ -216,7 +216,7 @@ static inline void _rcu_read_lock(void)
                _STORE_SHARED(rcu_reader.ctr, _LOAD_SHARED(rcu_gp_ctr));
                /*
                 * Set active readers count for outermost nesting level before
-                * accessing the pointer. See force_mb_all_threads().
+                * accessing the pointer. See force_mb_all_readers().
                 */
                reader_barrier();
        } else {
@@ -231,7 +231,7 @@ static inline void _rcu_read_unlock(void)
        tmp = rcu_reader.ctr;
        /*
         * Finish using rcu before decrementing the pointer.
-        * See force_mb_all_threads().
+        * See force_mb_all_readers().
         */
        if (likely((tmp & RCU_GP_CTR_NEST_MASK) == RCU_GP_COUNT)) {
                reader_barrier();
diff --git a/urcu.c b/urcu.c
index c4b2b428787fbc519031f2c696773cd3300767bb..3132e59277bf782f9e2e03cb3b0f862981b80a2a 100644 (file)
--- a/urcu.c
+++ b/urcu.c
@@ -126,7 +126,7 @@ static void force_mb_single_thread(struct rcu_reader *index)
 }
 #endif //0
 
-static void force_mb_all_threads(void)
+static void force_mb_all_readers(void)
 {
        smp_mb();
 }
@@ -156,7 +156,7 @@ static void force_mb_single_thread(struct rcu_reader *index)
 }
 #endif //0
 
-static void force_mb_all_threads(void)
+static void force_mb_all_readers(void)
 {
        struct rcu_reader *index;
 
@@ -206,7 +206,7 @@ static void force_mb_all_threads(void)
 static void wait_gp(void)
 {
        /* Read reader_gp before read futex */
-       force_mb_all_threads();
+       force_mb_all_readers();
        if (uatomic_read(&gp_futex) == -1)
                futex_async(&gp_futex, FUTEX_WAIT, -1,
                      NULL, NULL, 0);
@@ -228,7 +228,7 @@ void wait_for_quiescent_state(void)
                if (wait_loops == RCU_QS_ACTIVE_ATTEMPTS) {
                        uatomic_dec(&gp_futex);
                        /* Write futex before read reader_gp */
-                       force_mb_all_threads();
+                       force_mb_all_readers();
                }
 
                list_for_each_entry_safe(index, tmp, &registry, head) {
@@ -240,7 +240,7 @@ void wait_for_quiescent_state(void)
                if (list_empty(&registry)) {
                        if (wait_loops == RCU_QS_ACTIVE_ATTEMPTS) {
                                /* Read reader_gp before write futex */
-                               force_mb_all_threads();
+                               force_mb_all_readers();
                                uatomic_set(&gp_futex, 0);
                        }
                        break;
@@ -258,7 +258,7 @@ void wait_for_quiescent_state(void)
                if (list_empty(&registry)) {
                        if (wait_loops == RCU_QS_ACTIVE_ATTEMPTS) {
                                /* Read reader_gp before write futex */
-                               force_mb_all_threads();
+                               force_mb_all_readers();
                                uatomic_set(&gp_futex, 0);
                        }
                        break;
@@ -268,7 +268,7 @@ void wait_for_quiescent_state(void)
                                wait_gp();
                                break; /* only escape switch */
                        case KICK_READER_LOOPS:
-                               force_mb_all_threads();
+                               force_mb_all_readers();
                                wait_loops = 0;
                                break; /* only escape switch */
                        default:
@@ -289,7 +289,7 @@ void synchronize_rcu(void)
         * where new ptr points to. Must be done within internal_rcu_lock
         * because it iterates on reader threads.*/
        /* Write new ptr before changing the qparity */
-       force_mb_all_threads();
+       force_mb_all_readers();
 
        switch_next_rcu_qparity();      /* 0 -> 1 */
 
@@ -353,7 +353,7 @@ void synchronize_rcu(void)
        /* Finish waiting for reader threads before letting the old ptr being
         * freed. Must be done within internal_rcu_lock because it iterates on
         * reader threads. */
-       force_mb_all_threads();
+       force_mb_all_readers();
 
        internal_rcu_unlock();
 }
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