x86: remove unused parameter from smp_prepare_cpus

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
Release-acked-by: Juergen Gross <jgross@suse.com>

xen/arch/x86/setup.c

@@ -1595,7 +1595,7 @@ void __init noreturn __start_xen(unsigned long mbi_p)
 
     iommu_setup();    /* setup iommu if available */
 
-    smp_prepare_cpus(max_cpus);
+    smp_prepare_cpus();
 
     spin_debug_enable();
 

xen/arch/x86/smpboot.c

@@ -1022,7 +1022,7 @@ static struct notifier_block cpu_smpboot_nfb = {
     .notifier_call = cpu_smpboot_callback
 };
 
-void __init smp_prepare_cpus(unsigned int max_cpus)
+void __init smp_prepare_cpus(void)
 {
     int rc;
 

xen/include/xen/smp.h

@@ -17,7 +17,7 @@ extern void smp_send_state_dump(unsigned int cpu);
 /*
  * Prepare machine for booting other CPUs.
  */
-extern void smp_prepare_cpus(unsigned int max_cpus);
+extern void smp_prepare_cpus(void);
 
 /*
  * Final polishing of CPUs