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