xen idle: make xen-specific macro xen-specific

This macro is only invoked by Xen,
so make its definition specific to Xen.

> set_pm_idle_to_default()
< xen_set_default_idle()

Signed-off-by: Len Brown <len.brown@intel.com>
Cc: xen-devel@lists.xensource.com

1 files changed, 5 insertions, 1 deletions

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 888184b2fc85..c2f7f472275e 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -998,7 +998,11 @@ extern unsigned long arch_align_stack(unsigned long sp);
 extern void free_init_pages(char *what, unsigned long begin, unsigned long end);
 
 void default_idle(void);
-bool set_pm_idle_to_default(void);
+#ifdef  CONFIG_XEN
+bool xen_set_default_idle(void);
+#else
+#define xen_set_default_idle 0
+#endif
 
 void stop_this_cpu(void *dummy);