x86: unify smp_send_stop

function definition is moved to common header.
x86_64 version is now called native_smp_send_stop
Signed-off-by: NGlauber Costa <gcosta@redhat.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86/kernel/smp_64.c

@@ -421,7 +421,7 @@ static void stop_this_cpu(void *dummy)
 	for (;;);
 }
 
-void smp_send_stop(void)
+void native_smp_send_stop(void)
 {
 	int nolock;
 	unsigned long flags;
@@ -482,6 +482,7 @@ struct smp_ops smp_ops = {
 	.smp_prepare_cpus = native_smp_prepare_cpus,
 	.smp_cpus_done = native_smp_cpus_done,
 
+	.smp_send_stop = native_smp_send_stop,
 	.smp_send_reschedule = native_smp_send_reschedule,
 	.smp_call_function_mask = native_smp_call_function_mask,
 	.cpu_up = native_cpu_up,

include/asm-x86/smp.h

@@ -25,6 +25,11 @@ struct smp_ops {
 #ifdef CONFIG_SMP
 extern struct smp_ops smp_ops;
 
+static inline void smp_send_stop(void)
+{
+	smp_ops.smp_send_stop();
+}
+
 static inline void smp_prepare_boot_cpu(void)
 {
 	smp_ops.smp_prepare_boot_cpu();

include/asm-x86/smp_32.h

@@ -39,11 +39,6 @@ extern void remove_siblinginfo(int cpu);
 extern void set_cpu_sibling_map(int cpu);
 
 #ifdef CONFIG_SMP
-static inline void smp_send_stop(void)
-{
-	smp_ops.smp_send_stop();
-}
-
 #ifndef CONFIG_PARAVIRT
 #define startup_ipi_hook(phys_apicid, start_eip, start_esp) do { } while (0)
 #endif