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-rw-r--r--arch/arm/oprofile/common.c12
-rw-r--r--include/linux/oprofile.h9
2 files changed, 11 insertions, 10 deletions
diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c
index 8aa974491dfc..2b663918c464 100644
--- a/arch/arm/oprofile/common.c
+++ b/arch/arm/oprofile/common.c
@@ -10,8 +10,6 @@
10 */ 10 */
11 11
12#include <linux/cpumask.h> 12#include <linux/cpumask.h>
13#include <linux/err.h>
14#include <linux/errno.h>
15#include <linux/init.h> 13#include <linux/init.h>
16#include <linux/mutex.h> 14#include <linux/mutex.h>
17#include <linux/oprofile.h> 15#include <linux/oprofile.h>
@@ -46,6 +44,7 @@ char *op_name_from_perf_id(void)
46 return NULL; 44 return NULL;
47 } 45 }
48} 46}
47#endif
49 48
50static int report_trace(struct stackframe *frame, void *d) 49static int report_trace(struct stackframe *frame, void *d)
51{ 50{
@@ -111,6 +110,7 @@ static void arm_backtrace(struct pt_regs * const regs, unsigned int depth)
111 110
112int __init oprofile_arch_init(struct oprofile_operations *ops) 111int __init oprofile_arch_init(struct oprofile_operations *ops)
113{ 112{
113 /* provide backtrace support also in timer mode: */
114 ops->backtrace = arm_backtrace; 114 ops->backtrace = arm_backtrace;
115 115
116 return oprofile_perf_init(ops); 116 return oprofile_perf_init(ops);
@@ -120,11 +120,3 @@ void __exit oprofile_arch_exit(void)
120{ 120{
121 oprofile_perf_exit(); 121 oprofile_perf_exit();
122} 122}
123#else
124int __init oprofile_arch_init(struct oprofile_operations *ops)
125{
126 pr_info("oprofile: hardware counters not available\n");
127 return -ENODEV;
128}
129void __exit oprofile_arch_exit(void) {}
130#endif /* CONFIG_HW_PERF_EVENTS */
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index 54c83827f913..1ca64113efe8 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -16,6 +16,8 @@
16#include <linux/types.h> 16#include <linux/types.h>
17#include <linux/spinlock.h> 17#include <linux/spinlock.h>
18#include <linux/init.h> 18#include <linux/init.h>
19#include <linux/errno.h>
20#include <linux/printk.h>
19#include <asm/atomic.h> 21#include <asm/atomic.h>
20 22
21/* Each escaped entry is prefixed by ESCAPE_CODE 23/* Each escaped entry is prefixed by ESCAPE_CODE
@@ -190,6 +192,13 @@ int oprofile_write_commit(struct op_entry *entry);
190int __init oprofile_perf_init(struct oprofile_operations *ops); 192int __init oprofile_perf_init(struct oprofile_operations *ops);
191void oprofile_perf_exit(void); 193void oprofile_perf_exit(void);
192char *op_name_from_perf_id(void); 194char *op_name_from_perf_id(void);
195#else
196static inline int __init oprofile_perf_init(struct oprofile_operations *ops)
197{
198 pr_info("oprofile: hardware counters not available\n");
199 return -ENODEV;
200}
201static inline void oprofile_perf_exit(void) { }
193#endif /* CONFIG_HW_PERF_EVENTS */ 202#endif /* CONFIG_HW_PERF_EVENTS */
194 203
195#endif /* OPROFILE_H */ 204#endif /* OPROFILE_H */