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authorJames Morris <jmorris@namei.org>2011-11-16 12:39:48 +1100
committerJames Morris <jmorris@namei.org>2011-11-16 12:39:48 +1100
commit24942c8e5cc8696064ee207ff29d4cf21f70dafc (patch)
tree08a8221eb72ec3da7746d7d76f6f5915ce77cde7 /kernel/trace/ftrace.c
parente163bc8e4a0cd1cdffadb58253f7651201722d56 (diff)
parentff0ff78068dd8a962358dbbdafa9d6f24540d3e5 (diff)
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Merge branch 'master'; commit 'v3.2-rc2' into next
Diffstat (limited to 'kernel/trace/ftrace.c')
-rw-r--r--kernel/trace/ftrace.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index c3e4575e7829..900b409543db 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -22,6 +22,7 @@
#include <linux/hardirq.h>
#include <linux/kthread.h>
#include <linux/uaccess.h>
+#include <linux/module.h>
#include <linux/ftrace.h>
#include <linux/sysctl.h>
#include <linux/slab.h>
@@ -3863,6 +3864,14 @@ void ftrace_kill(void)
}
/**
+ * Test if ftrace is dead or not.
+ */
+int ftrace_is_dead(void)
+{
+ return ftrace_disabled;
+}
+
+/**
* register_ftrace_function - register a function for profiling
* @ops - ops structure that holds the function for profiling.
*