From 00fd61aee10533e003f2f00ab7163207660a4051 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Fri, 15 Aug 2008 21:40:04 -0400 Subject: [PATCH] ftrace: do not init module on ftrace disabled If one of the self tests of ftrace has disabled the function tracer, do not run the code to convert the mcount calls in modules. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/ftrace.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index eadd0eaea9b6..11d94f2dc485 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -307,7 +307,7 @@ void ftrace_release(void *start, unsigned long size) unsigned long e = s + size; int i; - if (!start) + if (ftrace_disabled || !start) return; /* No interrupt should call this */ @@ -1567,7 +1567,7 @@ static int ftrace_convert_nops(unsigned long *start, void ftrace_init_module(unsigned long *start, unsigned long *end) { - if (start == end) + if (ftrace_disabled || start == end) return; ftrace_convert_nops(start, end); } -- 2.39.5