kvm: x86: fix a compile warning

fix a "warning: no previous prototype".

Cc: stable@vger.kernel.org
Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8f108131d85d8baa38527ec5a78f1275b063a60b..b2ff74b12ec45f9b8a126c0606ab17219df47363 100644 (file)
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7943,7 +7943,7 @@ int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int idt_index,
 }
 EXPORT_SYMBOL_GPL(kvm_task_switch);
 
-int kvm_valid_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
+static int kvm_valid_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
 {
        if ((sregs->efer & EFER_LME) && (sregs->cr0 & X86_CR0_PG)) {
                /*