X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fmarker.c;h=b5a9fe1d50d5ce1c480ca7ca1777e55e6deb485e;hb=040378c1b24ace3b8945318a8c24ef218200912c;hp=041c33e3e95cc96283faf10e44ddc01c169098a9;hpb=7529963cb9c5db6821f0a00fc8426ebed79fc2e0;p=linux-2.6-omap-h63xx.git

diff --git a/kernel/marker.c b/kernel/marker.c
index 041c33e3e95..b5a9fe1d50d 100644
--- a/kernel/marker.c
+++ b/kernel/marker.c
@@ -23,12 +23,13 @@
 #include <linux/rcupdate.h>
 #include <linux/marker.h>
 #include <linux/err.h>
+#include <linux/slab.h>
 
 extern struct marker __start___markers[];
 extern struct marker __stop___markers[];
 
 /* Set to 1 to enable marker debug output */
-const int marker_debug;
+static const int marker_debug;
 
 /*
  * markers_mutex nests inside module_mutex. Markers mutex protects the builtin
@@ -671,6 +672,9 @@ int marker_probe_register(const char *name, const char *format,
 	entry->rcu_pending = 1;
 	/* write rcu_pending before calling the RCU callback */
 	smp_wmb();
+#ifdef CONFIG_PREEMPT_RCU
+	synchronize_sched();	/* Until we have the call_rcu_sched() */
+#endif
 	call_rcu(&entry->rcu, free_old_closure);
 end:
 	mutex_unlock(&markers_mutex);
@@ -714,6 +718,9 @@ int marker_probe_unregister(const char *name,
 	entry->rcu_pending = 1;
 	/* write rcu_pending before calling the RCU callback */
 	smp_wmb();
+#ifdef CONFIG_PREEMPT_RCU
+	synchronize_sched();	/* Until we have the call_rcu_sched() */
+#endif
 	call_rcu(&entry->rcu, free_old_closure);
 	remove_marker(name);	/* Ignore busy error message */
 	ret = 0;
@@ -792,6 +799,9 @@ int marker_probe_unregister_private_data(marker_probe_func *probe,
 	entry->rcu_pending = 1;
 	/* write rcu_pending before calling the RCU callback */
 	smp_wmb();
+#ifdef CONFIG_PREEMPT_RCU
+	synchronize_sched();	/* Until we have the call_rcu_sched() */
+#endif
 	call_rcu(&entry->rcu, free_old_closure);
 	remove_marker(entry->name);	/* Ignore busy error message */
 end: