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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2014-06-25 11:54:03 -0400
committerSteven Rostedt <rostedt@goodmis.org>2014-07-18 13:57:00 -0400
commit1d48d5960f9f24b8afd5b1dbb10bfe17b5f29a35 (patch)
treeaf1835d8028612abcf0282d499ee0baecab2f022 /kernel/trace
parent1820122a76c6d64adc6e2a7ff438029ffb8d7cb4 (diff)
ftrace: Remove function_trace_stop check from list func
function_trace_stop is no longer used to stop function tracing. Remove the check from __ftrace_ops_list_func(). Also, call FTRACE_WARN_ON() instead of setting function_trace_stop if a ops has no func to call. Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/ftrace.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 0fa1b87db95c..70abf97d6e84 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -4720,9 +4720,6 @@ __ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip,
struct ftrace_ops *op;
int bit;
- if (function_trace_stop)
- return;
-
bit = trace_test_and_set_recursion(TRACE_LIST_START, TRACE_LIST_MAX);
if (bit < 0)
return;
@@ -4734,9 +4731,8 @@ __ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip,
preempt_disable_notrace();
do_for_each_ftrace_op(op, ftrace_ops_list) {
if (ftrace_ops_test(op, ip, regs)) {
- if (WARN_ON(!op->func)) {
- function_trace_stop = 1;
- printk("op=%p %pS\n", op, op);
+ if (FTRACE_WARN_ON(!op->func)) {
+ pr_warn("op=%p %pS\n", op, op);
goto out;
}
op->func(ip, parent_ip, op, regs);