@@ -63,9 +63,6 @@ struct stackframe {
#endif
};
-extern int unwind_frame(struct task_struct *tsk, struct stackframe *frame);
-extern void walk_stackframe(struct task_struct *tsk, struct stackframe *frame,
- bool (*fn)(void *, unsigned long), void *data);
extern void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk,
const char *loglvl);
@@ -150,7 +147,4 @@ static inline bool on_accessible_stack(const struct task_struct *tsk,
return false;
}
-void start_backtrace(struct stackframe *frame, unsigned long fp,
- unsigned long pc);
-
#endif /* __ASM_STACKTRACE_H */
@@ -33,8 +33,8 @@
*/
-void start_backtrace(struct stackframe *frame, unsigned long fp,
- unsigned long pc)
+static void start_backtrace(struct stackframe *frame, unsigned long fp,
+ unsigned long pc)
{
frame->fp = fp;
frame->pc = pc;
@@ -63,7 +63,8 @@ void start_backtrace(struct stackframe *frame, unsigned long fp,
* records (e.g. a cycle), determined based on the location and fp value of A
* and the location (but not the fp value) of B.
*/
-int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame)
+static int notrace unwind_frame(struct task_struct *tsk,
+ struct stackframe *frame)
{
unsigned long fp = frame->fp;
struct stack_info info;
@@ -141,8 +142,9 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame)
}
NOKPROBE_SYMBOL(unwind_frame);
-void notrace walk_stackframe(struct task_struct *tsk, struct stackframe *frame,
- bool (*fn)(void *, unsigned long), void *data)
+static void notrace walk_stackframe(struct task_struct *tsk,
+ struct stackframe *frame,
+ bool (*fn)(void *, unsigned long), void *data)
{
while (1) {
int ret;