patch-2.1.40 linux/include/asm-m68k/hardirq.h

• Lines: 16
• Date: Sun May 18 17:10:38 1997
• Orig file: v2.1.39/linux/include/asm-m68k/hardirq.h
• Orig date: Tue May 13 22:41:17 1997

diff -u --recursive --new-file v2.1.39/linux/include/asm-m68k/hardirq.h linux/include/asm-m68k/hardirq.h
@@ -1,11 +1,13 @@
 #ifndef __M68K_HARDIRQ_H
 #define __M68K_HARDIRQ_H
 
+#include <linux/tasks.h>
+
 extern unsigned int local_irq_count[NR_CPUS];
 #define in_interrupt()	(local_irq_count[smp_processor_id()] != 0)
 
-#define hardirq_trylock(cpu)	((cpu)==0)	/* always true */
-#define hardirq_endlock(cpu)	do { } while (0)
+#define hardirq_trylock(cpu)	(++local_irq_count[cpu], (cpu) == 0)
+#define hardirq_endlock(cpu)	(--local_irq_count[cpu])
 
 #define hardirq_enter(cpu)	(local_irq_count[cpu]++)
 #define hardirq_exit(cpu)	(local_irq_count[cpu]--)