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ftrace: fix modular build

fix:

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

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Ingo Molnar 17 years ago
parent
dcf3099745
commit
1fe371044b
1 changed files with 2 additions and 0 deletions
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  1. 2 0
      kernel/trace/trace_irqsoff.c

+ 2 - 0
kernel/trace/trace_irqsoff.c
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@@ -253,12 +253,14 @@ void start_critical_timings(void)
 
 	if (preempt_trace() || irq_trace())
 
 	if (preempt_trace() || irq_trace())
 
 		start_critical_timing(CALLER_ADDR0, CALLER_ADDR1);
 
 		start_critical_timing(CALLER_ADDR0, CALLER_ADDR1);
 
 }
 
 }
 
+EXPORT_SYMBOL_GPL(start_critical_timings);
 
 
 
 void stop_critical_timings(void)
 
 void stop_critical_timings(void)
 
 {
 
 {
 
 	if (preempt_trace() || irq_trace())
 
 	if (preempt_trace() || irq_trace())
 
 		stop_critical_timing(CALLER_ADDR0, CALLER_ADDR1);
 
 		stop_critical_timing(CALLER_ADDR0, CALLER_ADDR1);
 
 }
 
 }
 
+EXPORT_SYMBOL_GPL(stop_critical_timings);
 
 
 
 #ifdef CONFIG_IRQSOFF_TRACER
 
 #ifdef CONFIG_IRQSOFF_TRACER
 
 #ifdef CONFIG_PROVE_LOCKING
 
 #ifdef CONFIG_PROVE_LOCKING