kvm: x86: do not use KVM_REQ_EVENT for APICv interrupt injection

[linux-block.git] / arch / x86 / kvm / vmx.c

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index d03cb62b70d228f5b8b6170f679d9f4f846d7df6..fd8cd50e9dc62081c18b217a0c538f2d5dcf4642 100644 (file)
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -5051,9 +5051,11 @@ static void vmx_deliver_posted_interrupt(struct kvm_vcpu *vcpu, int vector)
        if (pi_test_and_set_pir(vector, &vmx->pi_desc))
                return;
 
-       r = pi_test_and_set_on(&vmx->pi_desc);
-       kvm_make_request(KVM_REQ_EVENT, vcpu);
-       if (r || !kvm_vcpu_trigger_posted_interrupt(vcpu))
+       /* If a previous notification has sent the IPI, nothing to do.  */
+       if (pi_test_and_set_on(&vmx->pi_desc))
+               return;
+
+       if (!kvm_vcpu_trigger_posted_interrupt(vcpu))
                kvm_vcpu_kick(vcpu);
 }