This commit was manufactured by cvs2svn to create tag

[linux-2.6.git] / include / asm-arm26 / hardirq.h

diff --git a/include/asm-arm26/hardirq.h b/include/asm-arm26/hardirq.h
index bb5a5fa..52feb95 100644 (file)
--- a/include/asm-arm26/hardirq.h
+++ b/include/asm-arm26/hardirq.h
@@ -15,8 +15,23 @@ typedef struct {
 
 #include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
 
+/*
+ * We put the hardirq and softirq counter into the preemption
+ * counter.  The bitmask has the following meaning:
+ *
+ * - bits 0-7 are the preemption count (max depth: 256)
+ * - bits 8-15 are the softirq count (max # of softirqs: 256)
+ * - bits 16-23 are the hardirq count (max # of hardirqs: 256)
+ * - bit 26 is the PREEMPT_ACTIVE flag
+ */
+#define PREEMPT_BITS   8
+#define SOFTIRQ_BITS   8
 #define HARDIRQ_BITS   8
 
+#define PREEMPT_SHIFT  0
+#define SOFTIRQ_SHIFT  (PREEMPT_SHIFT + PREEMPT_BITS)
+#define HARDIRQ_SHIFT  (SOFTIRQ_SHIFT + SOFTIRQ_BITS)
+
 /*
  * The hardirq mask has to be large enough to have space
  * for potentially all IRQ sources in the system nesting