commit 5e5bf483986ad86ad25f25eec5299c86eb2d1c57
author Frederic Weisbecker <fweisbec@gmail.com> Wed Jul 29 17:11:12 2009 +0200
committer Frederic Weisbecker <fweisbec@gmail.com> Thu Aug 06 07:28:05 2009 +0200
tree 51ca52240afe82bab1366b1677d9f8a55bbee6fb
parent 07868b086cca784f4b532fc2ab574ec3a73b468a

tracing/core: Turn ftrace_cpu_disabled into a global var

In order to prepare the moving of the function graph tracer insertion
helpers from trace.c to trace_functions_graph.c, we need to export the
ftrace_cpu_disabled variable.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>

kernel/trace/trace.c

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 38a4a3e..b6211d6 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -89,7 +89,7 @@
  */
 static int tracing_disabled = 1;
 
-static DEFINE_PER_CPU(local_t, ftrace_cpu_disabled);
+DEFINE_PER_CPU(local_t, ftrace_cpu_disabled);
 
 static inline void ftrace_disable_cpu(void)
 {

kernel/trace/trace.h

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 758b0db..c7e9273 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -519,6 +519,7 @@
 
 extern int ring_buffer_expanded;
 extern bool tracing_selftest_disabled;
+DECLARE_PER_CPU(local_t, ftrace_cpu_disabled);
 
 #ifdef CONFIG_FTRACE_STARTUP_TEST
 extern int trace_selftest_startup_function(struct tracer *trace,