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-rw-r--r--include/asm-m68k/irq.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-m68k/irq.h b/include/asm-m68k/irq.h
index 127ad190cf2..325c86f8512 100644
--- a/include/asm-m68k/irq.h
+++ b/include/asm-m68k/irq.h
@@ -23,6 +23,15 @@
#endif
/*
+ * The hardirq mask has to be large enough to have
+ * space for potentially all IRQ sources in the system
+ * nesting on a single CPU:
+ */
+#if (1 << HARDIRQ_BITS) < NR_IRQS
+# error HARDIRQ_BITS is too low!
+#endif
+
+/*
* Interrupt source definitions
* General interrupt sources are the level 1-7.
* Adding an interrupt service routine for one of these sources