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

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 888184b..c2f7f47 100644 (file)
--- 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);
 

diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 2ed787f..7ed9f6b 100644 (file)
--- 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();

diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index 8971a26..2b73b5c 100644 (file)
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -561,7 +561,7 @@ void __init xen_arch_setup(void)
 #endif
        disable_cpuidle();
        disable_cpufreq();
-       WARN_ON(set_pm_idle_to_default());
+       WARN_ON(xen_set_default_idle());
        fiddle_vdso();
 #ifdef CONFIG_NUMA
        numa_off = 1;