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

From: Len Brown
Date: Sun Feb 10 2013 - 00:59:15 EST


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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