#ifdef CONFIG_KALLSYMS
extern int raw_show_trace;
extern unsigned long unwind_stack(struct task_struct *task, unsigned long *sp,
- unsigned long pc, unsigned long ra);
+ unsigned long pc, unsigned long *ra);
#else
#define raw_show_trace 1
-#define unwind_stack(task, sp, pc, ra) 0
+static inline unsigned long unwind_stack(struct task_struct *task,
+ unsigned long *sp, unsigned long pc, unsigned long *ra)
+{
+ return 0;
+}
#endif
static __always_inline void prepare_frametrace(struct pt_regs *regs)