ftrace: fix modular build

Ingo Molnar · Ingo Molnar · commit 1fe371044b21 · 2008-07-26T15:08:22.000+02:00
fix:

 ERROR: "start_critical_timings" [drivers/acpi/processor.ko] undefined!
 ERROR: "stop_critical_timings" [drivers/acpi/processor.ko] undefined!

Signed-off-by: Ingo Molnar &lt;mingo@elte.hu&gt;
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
@@ -253,12 +253,14 @@ void start_critical_timings(void)
 	if (preempt_trace() || irq_trace())
 		start_critical_timing(CALLER_ADDR0, CALLER_ADDR1);
 }
+EXPORT_SYMBOL_GPL(start_critical_timings);
 
 void stop_critical_timings(void)
 {
 	if (preempt_trace() || irq_trace())
 		stop_critical_timing(CALLER_ADDR0, CALLER_ADDR1);
 }
+EXPORT_SYMBOL_GPL(stop_critical_timings);
 
 #ifdef CONFIG_IRQSOFF_TRACER
 #ifdef CONFIG_PROVE_LOCKING

Original file line number	Diff line number	Diff line change
`@@ -253,12 +253,14 @@ void start_critical_timings(void)`
`253`	`253`	`if (preempt_trace() \|\| irq_trace())`
`254`	`254`	`start_critical_timing(CALLER_ADDR0, CALLER_ADDR1);`
`255`	`255`	`}`
	`256`	`+EXPORT_SYMBOL_GPL(start_critical_timings);`
`256`	`257`
`257`	`258`	`void stop_critical_timings(void)`
`258`	`259`	`{`
`259`	`260`	`if (preempt_trace() \|\| irq_trace())`
`260`	`261`	`stop_critical_timing(CALLER_ADDR0, CALLER_ADDR1);`
`261`	`262`	`}`
	`263`	`+EXPORT_SYMBOL_GPL(stop_critical_timings);`
`262`	`264`
`263`	`265`	`#ifdef CONFIG_IRQSOFF_TRACER`
`264`	`266`	`#ifdef CONFIG_PROVE_LOCKING`