KVM: x86: Fix posted interrupt with CONFIG_SMP=n

->send_IPI_mask is not defined on UP.

Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index c84f0cb921f9..a05cca608848 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3946,10 +3946,12 @@ static void vmx_deliver_posted_interrupt(struct kvm_vcpu *vcpu, int vector)
 
         r = pi_test_and_set_on(&vmx->pi_desc);
         kvm_make_request(KVM_REQ_EVENT, vcpu);
+#ifdef CONFIG_SMP
         if (!r && (vcpu->mode == IN_GUEST_MODE))
                 apic->send_IPI_mask(get_cpu_mask(vcpu->cpu),
                                 POSTED_INTR_VECTOR);
         else
+#endif
                 kvm_vcpu_kick(vcpu);
 }