[RFC PATCH] x86/kvm: kvm_hyperv_tsc_notifier() can be static

[kbuild test robot]

Fixes: ce386b0e39a0 ("x86/kvm: support Hyper-V reenlightenment")
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---
 x86.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 94f28e6..27e590a 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5933,7 +5933,7 @@ static void tsc_khz_changed(void *data)
 	__this_cpu_write(cpu_tsc_khz, khz);
 }
 
-void kvm_hyperv_tsc_notifier(void)
+static void kvm_hyperv_tsc_notifier(void)
 {
 #ifdef CONFIG_X86_64
 	struct kvm *kvm;