[PATCH] softirq: debug #2

[Ingo Molnar]

Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 include/linux/interrupt.h |    3 ++-
 kernel/softirq.c          |    7 +++++++
 2 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index e7bcfd7..cc1f529 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -271,7 +271,8 @@ asmlinkage void do_softirq(void);
 asmlinkage void __do_softirq(void);
 extern void open_softirq(int nr, void (*action)(struct softirq_action *));
 extern void softirq_init(void);
-#define __raise_softirq_irqoff(nr) do { or_softirq_pending(1UL << (nr)); } while (0)
+#define ___raise_softirq_irqoff(nr) do { or_softirq_pending(1UL << (nr)); } while (0)
+extern void __raise_softirq_irqoff(unsigned int nr);
 extern void raise_softirq_irqoff(unsigned int nr);
 extern void raise_softirq(unsigned int nr);
 
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 110cad0..431cb4f 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -302,6 +302,13 @@ void irq_exit(void)
 	preempt_enable_no_resched();
 }
 
+void __raise_softirq_irqoff(unsigned int nr)
+{
+	ftrace_printk("nr: %d\n", nr);
+	or_softirq_pending(1UL << nr);
+}
+EXPORT_SYMBOL_GPL(__raise_softirq_irqoff);
+
 /*
  * This function must run with irqs disabled!
  */
--
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