[IA64] xen_domu_defconfig: fix build issues/warnings

- drivers/xen/events.c did not compile
- xen_setup_hook caused a modpost section warning
- the use of u64 (instead of unsigned long long) together with a %llu
  in drivers/xen/balloon.c caused a compiler warning

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

2 files changed, 8 insertions, 6 deletions

diff --git a/arch/ia64/include/asm/idle.h b/arch/ia64/include/asm/idle.h
new file mode 100644
index 000000000000..b7685015a8ba
--- /dev/null
+++ b/arch/ia64/include/asm/idle.h
@@ -0,0 +1,7 @@
+#ifndef _ASM_IA64_IDLE_H
+#define _ASM_IA64_IDLE_H
+
+static inline void enter_idle(void) { }
+static inline void exit_idle(void) { }
+
+#endif /* _ASM_IA64_IDLE_H */
diff --git a/arch/ia64/include/asm/xen/events.h b/arch/ia64/include/asm/xen/events.h
index 73248781fba8..b8370c8b6198 100644
--- a/arch/ia64/include/asm/xen/events.h
+++ b/arch/ia64/include/asm/xen/events.h
@@ -36,14 +36,9 @@ static inline int xen_irqs_disabled(struct pt_regs *regs)
         return !(ia64_psr(regs)->i);
 }
 
-static inline void xen_do_IRQ(int irq, struct pt_regs *regs)
+static inline void handle_irq(int irq, struct pt_regs *regs)
 {
-        struct pt_regs *old_regs;
-        old_regs = set_irq_regs(regs);
-        irq_enter();
         __do_IRQ(irq);
-        irq_exit();
-        set_irq_regs(old_regs);
 }
 #define irq_ctx_init(cpu)       do { } while (0)