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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-28 21:14:43 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-28 21:14:43 +0200 |
| commit | 414f746d232d41ed6ae8632c4495ae795373c44b (patch) | |
| tree | 167f9bc8f139c6e82e6732b38c7a938b8a9d31cd /kernel/trace/trace_irqsoff.c | |
| parent | 5a7a201c51c324876d00a54e7208af6af12d1ca4 (diff) | |
| parent | c9272c4f9fbe2087beb3392f526dc5b19efaa56b (diff) | |
| download | op-kernel-dev-414f746d232d41ed6ae8632c4495ae795373c44b.zip op-kernel-dev-414f746d232d41ed6ae8632c4495ae795373c44b.tar.gz | |
Merge branch 'linus' into cpus4096
Diffstat (limited to 'kernel/trace/trace_irqsoff.c')
| -rw-r--r-- | kernel/trace/trace_irqsoff.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c index 421d6fe..ece6cfb 100644 --- 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 @@ -337,12 +339,14 @@ EXPORT_SYMBOL(trace_hardirqs_off_caller); #ifdef CONFIG_PREEMPT_TRACER void trace_preempt_on(unsigned long a0, unsigned long a1) { - stop_critical_timing(a0, a1); + if (preempt_trace()) + stop_critical_timing(a0, a1); } void trace_preempt_off(unsigned long a0, unsigned long a1) { - start_critical_timing(a0, a1); + if (preempt_trace()) + start_critical_timing(a0, a1); } #endif /* CONFIG_PREEMPT_TRACER */ |
