function_graph: Remove unused task_curr_ret_stack() (23621fac) · Commits · 戴 / test

The static inline function task_curr_ret_stack() is unused, remove it. Reviewed-by:

include/linux/ftrace.h

+0 −10

Original line number	Diff line number	Diff line
		@@ -809,11 +809,6 @@ extern void ftrace_graph_init_task(struct task_struct *t);
		extern void ftrace_graph_exit_task(struct task_struct *t);
		extern void ftrace_graph_init_idle_task(struct task_struct *t, int cpu);

		static inline int task_curr_ret_stack(struct task_struct *t)
		{
		return t->curr_ret_stack;
		}

		static inline void pause_graph_tracing(void)
		{
		atomic_inc(&current->tracing_graph_pause);
		@@ -838,11 +833,6 @@ static inline int register_ftrace_graph(trace_func_graph_ret_t retfunc,
		}
		static inline void unregister_ftrace_graph(void) { }

		static inline int task_curr_ret_stack(struct task_struct *tsk)
		{
		return -1;
		}

		static inline unsigned long
		ftrace_graph_ret_addr(struct task_struct task, int idx, unsigned long ret,
		unsigned long *retp)