xen: make CPU hotplug functions static

There's no need for these functions to be accessed from outside of xen/smp.c

Signed-off-by: Alex Nixon <alex.nixon@citrix.com>
Acked-by: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 6 insertions, 6 deletions

diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index bf51a466d62c..d77da613b1d2 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -333,7 +333,7 @@ static void xen_smp_cpus_done(unsigned int max_cpus)
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
-int xen_cpu_disable(void)
+static int xen_cpu_disable(void)
 {
         unsigned int cpu = smp_processor_id();
         if (cpu == 0)
@@ -345,7 +345,7 @@ int xen_cpu_disable(void)
         return 0;
 }
 
-void xen_cpu_die(unsigned int cpu)
+static void xen_cpu_die(unsigned int cpu)
 {
         while (HYPERVISOR_vcpu_op(VCPUOP_is_up, cpu, NULL)) {
                 current->state = TASK_UNINTERRUPTIBLE;
@@ -362,7 +362,7 @@ void xen_cpu_die(unsigned int cpu)
                 alternatives_smp_switch(0);
 }
 
-void xen_play_dead(void)
+static void xen_play_dead(void)
 {
         play_dead_common();
         HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL);
@@ -370,17 +370,17 @@ void xen_play_dead(void)
 }
 
 #else /* !CONFIG_HOTPLUG_CPU */
-int xen_cpu_disable(void)
+static int xen_cpu_disable(void)
 {
         return -ENOSYS;
 }
 
-void xen_cpu_die(unsigned int cpu)
+static void xen_cpu_die(unsigned int cpu)
 {
         BUG();
 }
 
-void xen_play_dead(void)
+static void xen_play_dead(void)
 {
         BUG();
 }