diff options
Diffstat (limited to 'arch/arm64/include/asm/stacktrace.h')
| -rw-r--r-- | arch/arm64/include/asm/stacktrace.h | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/arm64/include/asm/stacktrace.h b/arch/arm64/include/asm/stacktrace.h index 8aebc00c1718..e77cdef9ca29 100644 --- a/arch/arm64/include/asm/stacktrace.h +++ b/arch/arm64/include/asm/stacktrace.h @@ -9,6 +9,7 @@ #include <linux/sched.h> #include <linux/sched/task_stack.h> #include <linux/types.h> +#include <linux/llist.h> #include <asm/memory.h> #include <asm/ptrace.h> @@ -47,8 +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; @@ -56,14 +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; +#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); @@ -148,7 +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 */ |