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authorJeff Garzik <jgarzik@pretzel.yyz.us>2005-06-22 13:10:49 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-06-22 13:10:49 -0400
commit80bd6d7f5e0d872a0f5a151473d2a39d95d210a8 (patch)
treeb3a36048d6b7de88f7e906624ecb4b98816bb736 /include/linux/hardirq.h
parent949d33e70f2c3e93bfe5265a50e40175b1ab1ec1 (diff)
parent2a5a68b840cbab31baab2d9b2e1e6de3b289ae1e (diff)
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'include/linux/hardirq.h')
-rw-r--r--include/linux/hardirq.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index ebc712e9106..8336dba1897 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -43,13 +43,17 @@
#define __IRQ_MASK(x) ((1UL << (x))-1)
#define PREEMPT_MASK (__IRQ_MASK(PREEMPT_BITS) << PREEMPT_SHIFT)
-#define HARDIRQ_MASK (__IRQ_MASK(HARDIRQ_BITS) << HARDIRQ_SHIFT)
#define SOFTIRQ_MASK (__IRQ_MASK(SOFTIRQ_BITS) << SOFTIRQ_SHIFT)
+#define HARDIRQ_MASK (__IRQ_MASK(HARDIRQ_BITS) << HARDIRQ_SHIFT)
#define PREEMPT_OFFSET (1UL << PREEMPT_SHIFT)
#define SOFTIRQ_OFFSET (1UL << SOFTIRQ_SHIFT)
#define HARDIRQ_OFFSET (1UL << HARDIRQ_SHIFT)
+#if PREEMPT_ACTIVE < (1 << (HARDIRQ_SHIFT + HARDIRQ_BITS))
+#error PREEMPT_ACTIVE is too low!
+#endif
+
#define hardirq_count() (preempt_count() & HARDIRQ_MASK)
#define softirq_count() (preempt_count() & SOFTIRQ_MASK)
#define irq_count() (preempt_count() & (HARDIRQ_MASK | SOFTIRQ_MASK))