Extend commit 9aedeaed6fc6 ("tracing, hardirq: No moar _rcuidle()
tracing") to also cover trace_preempt_{on,off}() which were
mysteriously untouched.
Fixes: 9aedeaed6fc6 ("tracing, hardirq: No moar _rcuidle() tracing")
Reported-by: Mark Rutland <mark.rutland@xxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Tested-by: Mark Rutland <mark.rutland@xxxxxxx>
Link: https://lkml.kernel.org/r/Y9D5AfnOukWNOZ5q@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
---
kernel/trace/trace_preemptirq.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
--- a/kernel/trace/trace_preemptirq.c
+++ b/kernel/trace/trace_preemptirq.c
@@ -15,10 +15,6 @@
#define CREATE_TRACE_POINTS
#include <trace/events/preemptirq.h>
-#ifdef CONFIG_TRACE_IRQFLAGS
-/* Per-cpu variable to prevent redundant calls when IRQs already off */
-static DEFINE_PER_CPU(int, tracing_irq_cpu);
-
/*
* Use regular trace points on architectures that implement noinstr
* tooling: these calls will only happen with RCU enabled, which can
@@ -33,6 +29,10 @@ static DEFINE_PER_CPU(int, tracing_irq_c
#define trace(point) if (!in_nmi()) trace_##point##_rcuidle
#endif
+#ifdef CONFIG_TRACE_IRQFLAGS
+/* Per-cpu variable to prevent redundant calls when IRQs already off */
+static DEFINE_PER_CPU(int, tracing_irq_cpu);
+
/*
* Like trace_hardirqs_on() but without the lockdep invocation. This is
* used in the low level entry code where the ordering vs. RCU is important
@@ -100,15 +100,13 @@ NOKPROBE_SYMBOL(trace_hardirqs_off);
void trace_preempt_on(unsigned long a0, unsigned long a1)
{
- if (!in_nmi())
- trace_preempt_enable_rcuidle(a0, a1);
+ trace(preempt_enable)(a0, a1);
tracer_preempt_on(a0, a1);
}
void trace_preempt_off(unsigned long a0, unsigned long a1)
{
- if (!in_nmi())
- trace_preempt_disable_rcuidle(a0, a1);
+ trace(preempt_disable)(a0, a1);
tracer_preempt_off(a0, a1);
}
#endif
_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linuxfoundation.org/mailman/listinfo/virtualization
