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, 3 insertions, 1 deletions

diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 2ed787f15bf0..7ed9f6b08ba0 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -396,7 +396,8 @@ void default_idle(void)
 EXPORT_SYMBOL(default_idle);
 #endif
 
-bool set_pm_idle_to_default(void)
+#ifdef CONFIG_XEN
+bool xen_set_default_idle(void)
 {
         bool ret = !!pm_idle;
 
@@ -404,6 +405,7 @@ bool set_pm_idle_to_default(void)
 
         return ret;
 }
+#endif
 void stop_this_cpu(void *dummy)
 {
         local_irq_disable();