2.4.13

 include

 asm-s390x

diff -u --recursive --new-file v2.4.12/linux/include/asm-s390x/softirq.h linux/include/asm-s390x/softirq.h
--- v2.4.12/linux/include/asm-s390x/softirq.h   Sun Sep 23 11:41:01 2001
+++ linux/include/asm-s390x/softirq.h   Thu Oct 11 09:43:38 2001
@@ -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 */