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-rw-r--r--include/linux/ftrace.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index f0c0e8a..9da5dad 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -351,8 +351,12 @@ static inline void __ftrace_enabled_restore(int enabled)
extern void trace_preempt_on(unsigned long a0, unsigned long a1);
extern void trace_preempt_off(unsigned long a0, unsigned long a1);
#else
- static inline void trace_preempt_on(unsigned long a0, unsigned long a1) { }
- static inline void trace_preempt_off(unsigned long a0, unsigned long a1) { }
+/*
+ * Use defines instead of static inlines because some arches will make code out
+ * of the CALLER_ADDR, when we really want these to be a real nop.
+ */
+# define trace_preempt_on(a0, a1) do { } while (0)
+# define trace_preempt_off(a0, a1) do { } while (0)
#endif
#ifdef CONFIG_FTRACE_MCOUNT_RECORD