summaryrefslogtreecommitdiff
path: root/kernel
diff options
context:
space:
mode:
authorYisheng Xie <xieyisheng1@huawei.com>2018-02-02 05:14:49 +0300
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2018-07-04 01:33:19 +0300
commit5ccba64a560fa6ca06008d4001f5d46ebeb34b41 (patch)
tree277ecfca831457d1422c1651e632a600f2665155 /kernel
parent26b68dd2f48fe7699a89f0cfbb9f4a650dc1c837 (diff)
downloadlinux-5ccba64a560fa6ca06008d4001f5d46ebeb34b41.tar.xz
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.com Suggested-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/trace/ftrace.c13
1 files changed, 1 insertions, 12 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index efed9c1cfb7e..caf9cbf35816 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -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;
}
/**