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-rw-r--r--arch/ia64/kernel/nr-irqs.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/ia64/kernel/nr-irqs.c b/arch/ia64/kernel/nr-irqs.c
new file mode 100644
index 0000000..1ae0491
--- /dev/null
+++ b/arch/ia64/kernel/nr-irqs.c
@@ -0,0 +1,24 @@
+/*
+ * calculate
+ * NR_IRQS = max(IA64_NATIVE_NR_IRQS, XEN_NR_IRQS, FOO_NR_IRQS...)
+ * depending on config.
+ * This must be calculated before processing asm-offset.c.
+ */
+
+#define ASM_OFFSETS_C 1
+
+#include <linux/kbuild.h>
+#include <linux/threads.h>
+#include <asm-ia64/native/irq.h>
+
+void foo(void)
+{
+ union paravirt_nr_irqs_max {
+ char ia64_native_nr_irqs[IA64_NATIVE_NR_IRQS];
+#ifdef CONFIG_XEN
+ char xen_nr_irqs[XEN_NR_IRQS];
+#endif
+ };
+
+ DEFINE(NR_IRQS, sizeof (union paravirt_nr_irqs_max));
+}
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