提交 5ccba64a 编写于 作者: Y Yisheng Xie 提交者: Steven Rostedt (VMware)

ftrace: Nuke clear_ftrace_function

clear_ftrace_function is not used outside of ftrace.c and is not help to
use a function, so nuke it per Steve's suggestion.

Link: http://lkml.kernel.org/r/1517537689-34947-1-git-send-email-xieyisheng1@huawei.comSuggested-by: NSteven Rostedt <rostedt@goodmis.org>
Signed-off-by: NYisheng Xie <xieyisheng1@huawei.com>
Signed-off-by: NSteven Rostedt (VMware) <rostedt@goodmis.org>
上级 26b68dd2
......@@ -223,7 +223,6 @@ extern enum ftrace_tracing_type_t ftrace_tracing_type;
*/
int register_ftrace_function(struct ftrace_ops *ops);
int unregister_ftrace_function(struct ftrace_ops *ops);
void clear_ftrace_function(void);
extern void ftrace_stub(unsigned long a0, unsigned long a1,
struct ftrace_ops *op, struct pt_regs *regs);
......@@ -239,7 +238,6 @@ static inline int ftrace_nr_registered_ops(void)
{
return 0;
}
static inline void clear_ftrace_function(void) { }
static inline void ftrace_kill(void) { }
static inline void ftrace_free_init_mem(void) { }
static inline void ftrace_free_mem(struct module *mod, void *start, void *end) { }
......
......@@ -192,17 +192,6 @@ static void ftrace_pid_func(unsigned long ip, unsigned long parent_ip,
op->saved_func(ip, parent_ip, op, regs);
}
/**
* clear_ftrace_function - reset the ftrace function
*
* This NULLs the ftrace function and in essence stops
* tracing. There may be lag
*/
void clear_ftrace_function(void)
{
ftrace_trace_function = ftrace_stub;
}
static void ftrace_sync(struct work_struct *work)
{
/*
......@@ -6689,7 +6678,7 @@ void ftrace_kill(void)
{
ftrace_disabled = 1;
ftrace_enabled = 0;
clear_ftrace_function();
ftrace_trace_function = ftrace_stub;
}
/**
......
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