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-rw-r--r--include/litmus/feather_trace.h25
1 files changed, 12 insertions, 13 deletions
diff --git a/include/litmus/feather_trace.h b/include/litmus/feather_trace.h
index eef8af7a414e..7d27e763406f 100644
--- a/include/litmus/feather_trace.h
+++ b/include/litmus/feather_trace.h
@@ -1,6 +1,7 @@
1#ifndef _FEATHER_TRACE_H_ 1#ifndef _FEATHER_TRACE_H_
2#define _FEATHER_TRACE_H_ 2#define _FEATHER_TRACE_H_
3 3
4#include <asm/atomic.h>
4#include <asm/feather_trace.h> 5#include <asm/feather_trace.h>
5 6
6int ft_enable_event(unsigned long id); 7int ft_enable_event(unsigned long id);
@@ -8,6 +9,17 @@ int ft_disable_event(unsigned long id);
8int ft_is_event_enabled(unsigned long id); 9int ft_is_event_enabled(unsigned long id);
9int ft_disable_all_events(void); 10int ft_disable_all_events(void);
10 11
12/* atomic_* funcitons are inline anyway */
13static inline int fetch_and_inc(int *val)
14{
15 return atomic_add_return(1, (atomic_t*) val) - 1;
16}
17
18static inline int fetch_and_dec(int *val)
19{
20 return atomic_sub_return(1, (atomic_t*) val) + 1;
21}
22
11#ifndef __ARCH_HAS_FEATHER_TRACE 23#ifndef __ARCH_HAS_FEATHER_TRACE
12/* provide default implementation */ 24/* provide default implementation */
13 25
@@ -32,19 +44,6 @@ extern int ft_events[MAX_EVENTS];
32#define ft_event3(id, callback, p, p2, p3) \ 44#define ft_event3(id, callback, p, p2, p3) \
33 if (ft_events[id]) callback(id, p, p2, p3); 45 if (ft_events[id]) callback(id, p, p2, p3);
34 46
35#include <asm/atomic.h>
36
37static inline int fetch_and_inc(int *val)
38{
39 return atomic_add_return(1, (atomic_t*) val) - 1;
40}
41
42static inline int fetch_and_dec(int *val)
43{
44 return atomic_sub_return(1, (atomic_t*) val) + 1;
45}
46
47#endif 47#endif
48 48
49
50#endif 49#endif