---

yaml --- r: 116634 b: refs/heads/master c: 9a1e969 h: refs/heads/master v: v3
git-mirror · Oct 14, 2008 · 288dbb0 · 288dbb0
1 parent 0cc6f28
commit 288dbb0
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ca2db6cf30d6a45798b7a760d0c4f7735b16799d
+refs/heads/master: 9a1e9693f534174945154197fec4ec92f168ce21
diff --git a/trunk/kernel/tracepoint.c b/trunk/kernel/tracepoint.c
@@ -356,6 +356,8 @@ int tracepoint_probe_register(const char *name, void *probe)
 	mutex_lock(&tracepoints_mutex);
 	entry = get_tracepoint(name);
 	WARN_ON(!entry);
+	if (entry->rcu_pending)
+		rcu_barrier_sched();
 	tracepoint_entry_free_old(entry, old);
 end:
 	mutex_unlock(&tracepoints_mutex);
@@ -392,6 +394,8 @@ int tracepoint_probe_unregister(const char *name, void *probe)
 	entry = get_tracepoint(name);
 	if (!entry)
 		goto end;
+	if (entry->rcu_pending)
+		rcu_barrier_sched();
 	tracepoint_entry_free_old(entry, old);
 	remove_tracepoint(name);	/* Ignore busy error message */
 	ret = 0;