aboutsummaryrefslogtreecommitdiffstats
path: root/virt/kvm/eventfd.c
diff options
context:
space:
mode:
Diffstat (limited to 'virt/kvm/eventfd.c')
-rw-r--r--virt/kvm/eventfd.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index b637965746bb..518421e65b0d 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -238,20 +238,17 @@ static void irqfd_update(struct kvm *kvm, struct kvm_kernel_irqfd *irqfd)
238{ 238{
239 struct kvm_kernel_irq_routing_entry *e; 239 struct kvm_kernel_irq_routing_entry *e;
240 struct kvm_kernel_irq_routing_entry entries[KVM_NR_IRQCHIPS]; 240 struct kvm_kernel_irq_routing_entry entries[KVM_NR_IRQCHIPS];
241 int i, n_entries; 241 int n_entries;
242 242
243 n_entries = kvm_irq_map_gsi(kvm, entries, irqfd->gsi); 243 n_entries = kvm_irq_map_gsi(kvm, entries, irqfd->gsi);
244 244
245 write_seqcount_begin(&irqfd->irq_entry_sc); 245 write_seqcount_begin(&irqfd->irq_entry_sc);
246 246
247 irqfd->irq_entry.type = 0;
248
249 e = entries; 247 e = entries;
250 for (i = 0; i < n_entries; ++i, ++e) { 248 if (n_entries == 1)
251 /* Only fast-path MSI. */ 249 irqfd->irq_entry = *e;
252 if (e->type == KVM_IRQ_ROUTING_MSI) 250 else
253 irqfd->irq_entry = *e; 251 irqfd->irq_entry.type = 0;
254 }
255 252
256 write_seqcount_end(&irqfd->irq_entry_sc); 253 write_seqcount_end(&irqfd->irq_entry_sc);
257} 254}