patch-2.4.8 linux/include/asm-s390/softirq.h

• Lines: 33
• Date: Wed Jul 25 14:12:02 2001
• Orig file: v2.4.7/linux/include/asm-s390/softirq.h
• Orig date: Fri Aug 4 16:15:37 2000

diff -u --recursive --new-file v2.4.7/linux/include/asm-s390/softirq.h linux/include/asm-s390/softirq.h
@@ -17,11 +17,28 @@
 #include <asm/hardirq.h>
 #include <asm/lowcore.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 local_bh_disable()			\
+do {						\
+	local_bh_count(smp_processor_id())++;	\
+	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()			\
+do {						\
+	barrier();				\
+	local_bh_count(smp_processor_id())--;	\
+} while (0)
+
+#define local_bh_enable()				\
+do {							\
+	if (!--local_bh_count(smp_processor_id())	\
+	    && softirq_pending(smp_processor_id())) {	\
+		do_softirq();				\
+		__sti();				\
+	}						\
+} while (0)
+
+#define __cpu_raise_softirq(cpu, nr) (softirq_pending(cpu) |= (1<<nr))
 
 #define in_softirq() (local_bh_count(smp_processor_id()) != 0)