diff options
| -rw-r--r-- | arch/x86/kvm/irq.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c index ecebd150c2f7..bc9ebd893566 100644 --- a/arch/x86/kvm/irq.c +++ b/arch/x86/kvm/irq.c @@ -618,6 +618,10 @@ void kvm_arch_update_irqfd_routing(struct kvm_kernel_irqfd *irqfd, struct kvm_kernel_irq_routing_entry *old, struct kvm_kernel_irq_routing_entry *new) { + if (new->type != KVM_IRQ_ROUTING_MSI && + old->type != KVM_IRQ_ROUTING_MSI) + return; + if (old->type == KVM_IRQ_ROUTING_MSI && new->type == KVM_IRQ_ROUTING_MSI && !memcmp(&old->msi, &new->msi, sizeof(new->msi))) |