[Xen-devel] [PATCH 16/16] xen idle: make xen-specific macro xen-specific

[Len Brown <lenb@xxxxxxxxxx>]

From: Len Brown <len.brown@xxxxxxxxx>

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@xxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
---
 arch/x86/include/asm/processor.h | 6 +++++-
 arch/x86/kernel/process.c        | 4 +++-
 arch/x86/xen/setup.c             | 2 +-
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 888184b..c2f7f47 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);
 
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index ceb05db..b86de21 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -390,7 +390,8 @@ 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 = !!x86_idle;
 
@@ -398,6 +399,7 @@ 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
--- 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;
-- 
1.8.1.3.535.ga923c31


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