linux/arch/ia64/kernel/nr-irqs.c
Isaku Yamahata 213060a4d6 [IA64] pvops: paravirtualize NR_IRQS
Make NR_IRQ overridable by each pv instances.
Pv instance may need each own number of irqs so that
NR_IRQS should be the maximum number of nr_irqs each
pv instances need.

Cc: Jes Sorensen <jes@sgi.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2008-05-27 15:09:30 -07:00

25 lines
499 B
C

/*
* 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));
}