--- zzzz-none-000/linux-2.6.28.10/arch/arm/kernel/irq.c	2009-05-02 18:54:43.000000000 +0000
+++ fusiv-7390-686/linux-2.6.28.10/arch/arm/kernel/irq.c	2010-05-21 11:40:46.000000000 +0000
@@ -41,6 +41,9 @@
 #include <asm/mach/irq.h>
 #include <asm/mach/time.h>
 
+#if defined(CONFIG_AVM_SIMPLE_PROFILING) 
+#include <linux/avm_profile.h>
+#endif /*--- #if defined(CONFIG_AVM_SIMPLE_PROFILING) ---*/ 
 /*
  * No architecture-specific irq_finish function defined in arm/arch/irqs.h.
  */
@@ -104,6 +107,7 @@
 	.lock = SPIN_LOCK_UNLOCKED
 };
 
+extern int cpu_wait_end(void);
 /*
  * do_IRQ handles all hardware IRQ's.  Decoded IRQs should not
  * come via this function.  Instead, they should provide their
@@ -114,6 +118,12 @@
 	struct pt_regs *old_regs = set_irq_regs(regs);
 
 	irq_enter();
+    cpu_wait_end();
+
+#if defined(CONFIG_AVM_SIMPLE_PROFILING) 
+    avm_simple_profiling(regs, irq);
+    avm_simple_profiling_log(avm_profile_data_type_hw_irq_begin, (unsigned int)(irq_desc + irq), irq);
+#endif /*--- #if defined(CONFIG_AVM_SIMPLE_PROFILING) ---*/ 
 
 	/*
 	 * Some hardware gives randomly wrong interrupts.  Rather
@@ -124,6 +134,10 @@
 	else
 		generic_handle_irq(irq);
 
+#if defined(CONFIG_AVM_SIMPLE_PROFILING) 
+    avm_simple_profiling_log(avm_profile_data_type_hw_irq_end, (unsigned int)(irq_desc + irq), irq);
+#endif /*--- #if defined(CONFIG_AVM_SIMPLE_PROFILING) ---*/ 
+
 	/* AT91 specific workaround */
 	irq_finish(irq);