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tracing/core: Turn ftrace_cpu_disabled into a global var

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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>
This commit is contained in:
Frederic Weisbecker
2009-07-29 17:11:12 +02:00
parent 07868b086c
commit 5e5bf48398
2 changed files with 2 additions and 1 deletions
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2
kernel/trace/trace.c
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@@ -89,7 +89,7 @@ static int dummy_set_flag(u32 old_flags, u32 bit, int set)
*/ */
static int tracing_disabled = 1; 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) static inline void ftrace_disable_cpu(void)
{ {

1
kernel/trace/trace.h
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@@ -519,6 +519,7 @@ extern int DYN_FTRACE_TEST_NAME(void);
extern int ring_buffer_expanded; extern int ring_buffer_expanded;
extern bool tracing_selftest_disabled; extern bool tracing_selftest_disabled;
DECLARE_PER_CPU(local_t, ftrace_cpu_disabled);
#ifdef CONFIG_FTRACE_STARTUP_TEST #ifdef CONFIG_FTRACE_STARTUP_TEST
extern int trace_selftest_startup_function(struct tracer *trace, extern int trace_selftest_startup_function(struct tracer *trace,