patch-2.3.49 linux/include/asm-i386/hardirq.h

• Lines: 23
• Date: Thu Mar 2 14:01:21 2000
• Orig file: v2.3.48/linux/include/asm-i386/hardirq.h
• Orig date: Sat Feb 26 22:31:55 2000

diff -u --recursive --new-file v2.3.48/linux/include/asm-i386/hardirq.h linux/include/asm-i386/hardirq.h
@@ -4,6 +4,22 @@
 #include <linux/threads.h>
 #include <linux/irq.h>
 
+typedef struct {
+	unsigned int __local_irq_count;
+	unsigned int __local_bh_count;
+	atomic_t __nmi_counter;
+	unsigned int __pad[5];
+} ____cacheline_aligned irq_cpustat_t;
+
+extern irq_cpustat_t irq_stat [NR_CPUS];
+
+/*
+ * Simple wrappers reducing source bloat
+ */
+#define local_irq_count(cpu) (irq_stat[(cpu)].__local_irq_count)
+#define local_bh_count(cpu) (irq_stat[(cpu)].__local_bh_count)
+#define nmi_counter(cpu) (irq_stat[(cpu)].__nmi_counter)
+
 /*
  * Are we in an interrupt context? Either doing bottom half
  * or hardware interrupt processing?