patch-2.4.19 linux-2.4.19/include/asm-ppc64/softirq.h

• Lines: 30
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/include/asm-ppc64/softirq.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/include/asm-ppc64/softirq.h linux-2.4.19/include/asm-ppc64/softirq.h
@@ -0,0 +1,29 @@
+#ifndef __ASM_SOFTIRQ_H
+#define __ASM_SOFTIRQ_H
+
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <asm/atomic.h>
+#include <asm/hardirq.h>
+
+
+#define local_bh_disable()	do { local_bh_count(smp_processor_id())++; barrier(); } while (0)
+#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();                           \
+        }                                               \
+} while (0)
+
+
+#define in_softirq() (local_bh_count(smp_processor_id()) != 0)
+
+#endif	/* __ASM_SOFTIRQ_H */