KVM: X86: Don't block vCPU if there is pending exception

[sfrench/cifs-2.6.git] / arch / x86 / kvm / x86.c

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index b27f7f0020e3f7f9269f6563682b4e866078da40..bfda79fb102c459c05393311fd81633cd8ba45d6 100644 (file)
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -7231,6 +7231,10 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
                sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
 
        if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED)) {
+               if (kvm_run->immediate_exit) {
+                       r = -EINTR;
+                       goto out;
+               }
                kvm_vcpu_block(vcpu);
                kvm_apic_accept_events(vcpu);
                kvm_clear_request(KVM_REQ_UNHALT, vcpu);
@@ -7976,7 +7980,7 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
        BUG_ON(vcpu->kvm == NULL);
        kvm = vcpu->kvm;
 
-       vcpu->arch.apicv_active = kvm_x86_ops->get_enable_apicv();
+       vcpu->arch.apicv_active = kvm_x86_ops->get_enable_apicv(vcpu);
        vcpu->arch.pv.pv_unhalted = false;
        vcpu->arch.emulate_ctxt.ops = &emulate_ops;
        if (!irqchip_in_kernel(kvm) || kvm_vcpu_is_reset_bsp(vcpu))
@@ -8457,6 +8461,9 @@ static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu)
        if (vcpu->arch.pv.pv_unhalted)
                return true;
 
+       if (vcpu->arch.exception.pending)
+               return true;
+
        if (kvm_test_request(KVM_REQ_NMI, vcpu) ||
            (vcpu->arch.nmi_pending &&
             kvm_x86_ops->nmi_allowed(vcpu)))