patch-2.1.106 linux/include/asm-arm/hardirq.h

• Lines: 13
• Date: Sat Jun 13 13:11:12 1998
• Orig file: v2.1.105/linux/include/asm-arm/hardirq.h
• Orig date: Tue Apr 14 14:29:25 1998

diff -u --recursive --new-file v2.1.105/linux/include/asm-arm/hardirq.h linux/include/asm-arm/hardirq.h
@@ -5,6 +5,12 @@
 
 extern unsigned int local_irq_count[NR_CPUS];
 
+/*
+ * Are we in an interrupt context? Either doing bottom half
+ * or hardware interrupt processing?
+ */
+#define in_interrupt() (local_irq_count[smp_processor_id()] + local_bh_count[smp_processor_id()] != 0)
+
 #ifndef __SMP__
 
 #define hardirq_trylock(cpu)	(local_irq_count[cpu] == 0)