patch-2.4.7 linux/include/asm-arm/softirq.h

• Lines: 26
• Date: Mon Jul 9 16:04:24 2001
• Orig file: v2.4.6/linux/include/asm-arm/softirq.h
• Orig date: Mon May 15 12:00:34 2000

diff -u --recursive --new-file v2.4.6/linux/include/asm-arm/softirq.h linux/include/asm-arm/softirq.h
@@ -4,12 +4,22 @@
 #include <asm/atomic.h>
 #include <asm/hardirq.h>
 
-#define cpu_bh_disable(cpu)	do { local_bh_count(cpu)++; barrier(); } while (0)
-#define cpu_bh_enable(cpu)	do { barrier(); local_bh_count(cpu)--; } while (0)
+#define __cpu_bh_enable(cpu) \
+		do { barrier(); local_bh_count(cpu)--; } while (0)
+#define cpu_bh_disable(cpu) \
+		do { local_bh_count(cpu)++; barrier(); } while (0)
 
 #define local_bh_disable()	cpu_bh_disable(smp_processor_id())
-#define local_bh_enable()	cpu_bh_enable(smp_processor_id())
+#define __local_bh_enable()	__cpu_bh_enable(smp_processor_id())
+#define __cpu_raise_softirq(cpu,nr) set_bit((nr), &softirq_pending(cpu))
 
 #define in_softirq()		(local_bh_count(smp_processor_id()) != 0)
+
+#define local_bh_enable()						\
+do {									\
+	unsigned int *ptr = &local_bh_count(smp_processor_id());	\
+	if (!--*ptr && ptr[-2])						\
+		__asm__("bl%? __do_softirq": : : "lr");/* out of line */\
+} while (0)
 
 #endif	/* __ASM_SOFTIRQ_H */