Signed-off-by: Wei Liu <wei.l...@citrix.com>
---
 xen/arch/x86/setup.c   | 2 +-
 xen/arch/x86/smpboot.c | 2 +-
 xen/include/xen/smp.h  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index c0b97a748a..49cf963d7a 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -1576,7 +1576,7 @@ 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();
 
diff --git a/xen/arch/x86/smpboot.c b/xen/arch/x86/smpboot.c
index 98873df429..5daa7936aa 100644
--- a/xen/arch/x86/smpboot.c
+++ b/xen/arch/x86/smpboot.c
@@ -1030,7 +1030,7 @@ 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;
 
diff --git a/xen/include/xen/smp.h b/xen/include/xen/smp.h
index c55f57f09e..a64c9b3882 100644
--- a/xen/include/xen/smp.h
+++ b/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
-- 
2.11.0


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