kvm: x86: make a function in x86.c static to avoid compiling warning

kvm_emulate_wbinvd_noskip is only used in x86.c, and should be
static to avoid compiling warning when with -Wmissing-prototypes
option.

Signed-off-by: Jiang Biao <jiang.biao2@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 83990ad3710e38f94ccbdaf959dd74effa782b6a..7eb099222c50ebf025f85989a4e52dffdf8c78e0 100644 (file)
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4795,7 +4795,7 @@ static void emulator_invlpg(struct x86_emulate_ctxt *ctxt, ulong address)
        kvm_mmu_invlpg(emul_to_vcpu(ctxt), address);
 }
 
-int kvm_emulate_wbinvd_noskip(struct kvm_vcpu *vcpu)
+static int kvm_emulate_wbinvd_noskip(struct kvm_vcpu *vcpu)
 {
        if (!need_emulate_wbinvd(vcpu))
                return X86EMUL_CONTINUE;