arch/ia64/kernel/nr-irqs.c

   1 /*
   2  * calculate
   3  * NR_IRQS = max(IA64_NATIVE_NR_IRQS, XEN_NR_IRQS, FOO_NR_IRQS...)
   4  * depending on config.
   5  * This must be calculated before processing asm-offset.c.
   6  */
   7
   8 #define ASM_OFFSETS_C 1
   9
  10 #include <linux/kbuild.h>
  11 #include <linux/threads.h>
  12 #include <asm/native/irq.h>
  13 #include <asm/xen/irq.h>
  14
  15 void foo(void)
  16 {
  17         union paravirt_nr_irqs_max {
  18                 char ia64_native_nr_irqs[IA64_NATIVE_NR_IRQS];
  19 #ifdef CONFIG_XEN
  20                 char xen_nr_irqs[XEN_NR_IRQS];
  21 #endif
  22         };
  23
  24         DEFINE(NR_IRQS, sizeof (union paravirt_nr_irqs_max));
  25 }