patch-2.4.13 linux/include/asm-s390x/softirq.h

• Lines: 32
• Date: Thu Oct 11 09:43:38 2001
• Orig file: v2.4.12/linux/include/asm-s390x/softirq.h
• Orig date: Sun Sep 23 11:41:01 2001

diff -u --recursive --new-file v2.4.12/linux/include/asm-s390x/softirq.h linux/include/asm-s390x/softirq.h
@@ -18,22 +18,25 @@
 #include <asm/lowcore.h>
 
 #define __cpu_bh_enable(cpu) \
-		do { barrier(); local_bh_count(cpu)--; } while (0)
+                do { barrier(); local_bh_count(cpu)--; } while (0)
 #define cpu_bh_disable(cpu) \
-		do { local_bh_count(cpu)++; barrier(); } while (0)
+                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 in_softirq() (local_bh_count(smp_processor_id()) != 0)
 
+extern void do_call_softirq(void);
+
 #define local_bh_enable()			          	        \
 do {							                \
-	unsigned int *ptr = &local_bh_count(smp_processor_id());        \
-	barrier();                                                      \
-	if (!--*ptr)							\
+        unsigned int *ptr = &local_bh_count(smp_processor_id());        \
+        barrier();                                                      \
+        if (!--*ptr)							\
 		if (softirq_pending(smp_processor_id()))		\
-			do_softirq();					\
+			/* Use the async. stack for softirq */		\
+			do_call_softirq();				\
 } while (0)
 
 #endif	/* __ASM_SOFTIRQ_H */