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Diffstat (limited to 'arch/arm64/include/asm/stacktrace.h')
-rw-r--r--arch/arm64/include/asm/stacktrace.h14
1 files changed, 3 insertions, 11 deletions
diff --git a/arch/arm64/include/asm/stacktrace.h b/arch/arm64/include/asm/stacktrace.h
index a4e046ef4568..e77cdef9ca29 100644
--- a/arch/arm64/include/asm/stacktrace.h
+++ b/arch/arm64/include/asm/stacktrace.h
@@ -48,8 +48,9 @@ struct stack_info {
* value of STACK_TYPE_UNKNOWN. This is used to detect a
* transition from one stack to another.
*
- * @graph: When FUNCTION_GRAPH_TRACER is selected, holds the index of a
- * replacement lr value in the ftrace graph stack.
+ * @kr_cur: When KRETPROBES is selected, holds the kretprobe instance
+ * associated with the most recently encountered replacement lr
+ * value.
*/
struct stackframe {
unsigned long fp;
@@ -57,17 +58,11 @@ struct stackframe {
DECLARE_BITMAP(stacks_done, __NR_STACK_TYPES);
unsigned long prev_fp;
enum stack_type prev_type;
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
- int graph;
-#endif
#ifdef CONFIG_KRETPROBES
struct llist_node *kr_cur;
#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);
@@ -152,7 +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 */