xen: move smp setup into smp.c

Move all the smp_ops setup into smp.c, allowing a lot of things to
become static.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

3 files changed, 32 insertions, 34 deletions

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index ada2e1a141df..a85f447b8d00 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1237,21 +1237,6 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = {
         .set_fixmap = xen_set_fixmap,
 };
 
-#ifdef CONFIG_SMP
-static const struct smp_ops xen_smp_ops __initdata = {
-        .smp_prepare_boot_cpu = xen_smp_prepare_boot_cpu,
-        .smp_prepare_cpus = xen_smp_prepare_cpus,
-        .cpu_up = xen_cpu_up,
-        .smp_cpus_done = xen_smp_cpus_done,
-
-        .smp_send_stop = xen_smp_send_stop,
-        .smp_send_reschedule = xen_smp_send_reschedule,
-
-        .send_call_func_ipi = xen_smp_send_call_function_ipi,
-        .send_call_func_single_ipi = xen_smp_send_call_function_single_ipi,
-};
-#endif  /* CONFIG_SMP */
-
 static void xen_reboot(int reason)
 {
         struct sched_shutdown r = { .reason = reason };
@@ -1340,9 +1325,7 @@ asmlinkage void __init xen_start_kernel(void)
         have_vcpu_info_placement = 0;
 #endif
 
-#ifdef CONFIG_SMP
-        smp_ops = xen_smp_ops;
-#endif
+        xen_smp_init();
 
         /* Get mfn list */
         if (!xen_feature(XENFEAT_auto_translated_physmap))
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 233156f39b7f..91fae8ff756e 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -152,7 +152,7 @@ void __init xen_fill_possible_map(void)
         }
 }
 
-void __init xen_smp_prepare_boot_cpu(void)
+static void __init xen_smp_prepare_boot_cpu(void)
 {
         int cpu;
 
@@ -176,7 +176,7 @@ void __init xen_smp_prepare_boot_cpu(void)
         xen_setup_vcpu_info_placement();
 }
 
-void __init xen_smp_prepare_cpus(unsigned int max_cpus)
+static void __init xen_smp_prepare_cpus(unsigned int max_cpus)
 {
         unsigned cpu;
 
@@ -276,7 +276,7 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
         return 0;
 }
 
-int __cpuinit xen_cpu_up(unsigned int cpu)
+static int __cpuinit xen_cpu_up(unsigned int cpu)
 {
         struct task_struct *idle = idle_task(cpu);
         int rc;
@@ -319,7 +319,7 @@ int __cpuinit xen_cpu_up(unsigned int cpu)
         return 0;
 }
 
-void xen_smp_cpus_done(unsigned int max_cpus)
+static void xen_smp_cpus_done(unsigned int max_cpus)
 {
 }
 
@@ -335,12 +335,12 @@ static void stop_self(void *v)
         BUG();
 }
 
-void xen_smp_send_stop(void)
+static void xen_smp_send_stop(void)
 {
         smp_call_function(stop_self, NULL, 0);
 }
 
-void xen_smp_send_reschedule(int cpu)
+static void xen_smp_send_reschedule(int cpu)
 {
         xen_send_IPI_one(cpu, XEN_RESCHEDULE_VECTOR);
 }
@@ -355,7 +355,7 @@ static void xen_send_IPI_mask(cpumask_t mask, enum ipi_vector vector)
                 xen_send_IPI_one(cpu, vector);
 }
 
-void xen_smp_send_call_function_ipi(cpumask_t mask)
+static void xen_smp_send_call_function_ipi(cpumask_t mask)
 {
         int cpu;
 
@@ -370,7 +370,7 @@ void xen_smp_send_call_function_ipi(cpumask_t mask)
         }
 }
 
-void xen_smp_send_call_function_single_ipi(int cpu)
+static void xen_smp_send_call_function_single_ipi(int cpu)
 {
         xen_send_IPI_mask(cpumask_of_cpu(cpu), XEN_CALL_FUNCTION_SINGLE_VECTOR);
 }
@@ -394,3 +394,21 @@ static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id)
 
         return IRQ_HANDLED;
 }
+
+static const struct smp_ops xen_smp_ops __initdata = {
+        .smp_prepare_boot_cpu = xen_smp_prepare_boot_cpu,
+        .smp_prepare_cpus = xen_smp_prepare_cpus,
+        .cpu_up = xen_cpu_up,
+        .smp_cpus_done = xen_smp_cpus_done,
+
+        .smp_send_stop = xen_smp_send_stop,
+        .smp_send_reschedule = xen_smp_send_reschedule,
+
+        .send_call_func_ipi = xen_smp_send_call_function_ipi,
+        .send_call_func_single_ipi = xen_smp_send_call_function_single_ipi,
+};
+
+void __init xen_smp_init(void)
+{
+        smp_ops = xen_smp_ops;
+}
diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
index 77354d204257..81a779fc9b26 100644
--- a/arch/x86/xen/xen-ops.h
+++ b/arch/x86/xen/xen-ops.h
@@ -47,17 +47,14 @@ void xen_mark_init_mm_pinned(void);
 void __init xen_fill_possible_map(void);
 
 void __init xen_setup_vcpu_info_placement(void);
-void xen_smp_prepare_boot_cpu(void);
-void xen_smp_prepare_cpus(unsigned int max_cpus);
-int xen_cpu_up(unsigned int cpu);
-void xen_smp_cpus_done(unsigned int max_cpus);
 
-void xen_smp_send_stop(void);
-void xen_smp_send_reschedule(int cpu);
-void xen_smp_send_call_function_ipi(cpumask_t mask);
-void xen_smp_send_call_function_single_ipi(int cpu);
+#ifdef CONFIG_SMP
+void xen_smp_init(void);
 
 extern cpumask_t xen_cpu_initialized_map;
+#else
+static inline void xen_smp_init(void) {}
+#endif
 
 
 /* Declare an asm function, along with symbols needed to make it