[PULL 01/33] accel/kvm: add PIO ioeventfds only in case kvm_eventfds_allowed is true

[Stefan Hajnoczi <stefanha@xxxxxxxxxx>]

From: Elena Afanasova <eafanasova@xxxxxxxxx>

Signed-off-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
Signed-off-by: Elena Afanasova <eafanasova@xxxxxxxxx>
Message-Id: <20201017210102.26036-1-eafanasova@xxxxxxxxx>
Signed-off-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
---
 accel/kvm/kvm-all.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index 9ef5daf4c5..baaa54249d 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -2239,8 +2239,10 @@ static int kvm_init(MachineState *ms)
 
     kvm_memory_listener_register(s, &s->memory_listener,
                                  &address_space_memory, 0);
-    memory_listener_register(&kvm_io_listener,
-                             &address_space_io);
+    if (kvm_eventfds_allowed) {
+        memory_listener_register(&kvm_io_listener,
+                                 &address_space_io);
+    }
     memory_listener_register(&kvm_coalesced_pio_listener,
                              &address_space_io);
 
-- 
2.28.0