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authorJeff Garzik <jgarzik@pretzel.yyz.us>2005-06-26 23:38:58 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-06-26 23:38:58 -0400
commit5696c1944a33b4434a9a1ebb6383b906afd43a10 (patch)
tree16fbe6ba431bcf949ee8645510b0c2fd39b5810f /include/linux/hardirq.h
parent66b04a80eea60cabf9d89fd34deb3234a740052f (diff)
parent020f46a39eb7b99a575b9f4d105fce2b142acdf1 (diff)
downloadblackbird-op-linux-5696c1944a33b4434a9a1ebb6383b906afd43a10.tar.gz
blackbird-op-linux-5696c1944a33b4434a9a1ebb6383b906afd43a10.zip
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 ebc712e91066..8336dba18971 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))
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