KVM: Extend ioapic code to support iosapic

iosapic supports an additional mmio EOI register compared to ioapic.

Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/kvm/ioapic.c b/drivers/kvm/ioapic.c
index 0feae6f7fb2d..e7debfafca50 100644
--- a/drivers/kvm/ioapic.c
+++ b/drivers/kvm/ioapic.c
@@ -360,6 +360,11 @@ static void ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len,
         case IOAPIC_REG_WINDOW:
                 ioapic_write_indirect(ioapic, data);
                 break;
+#ifdef  CONFIG_IA64
+        case IOAPIC_REG_EOI:
+                kvm_ioapic_update_eoi(ioapic, data);
+                break;
+#endif
 
         default:
                 break;