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[PULL 05/31] vhost: Drop unused eventfd_add|del hooks


From: Michael S. Tsirkin
Subject: [PULL 05/31] vhost: Drop unused eventfd_add|del hooks
Date: Tue, 25 Apr 2023 03:45:01 -0400

From: Peter Xu <peterx@redhat.com>

These hooks were introduced in:

80a1ea3748 ("memory: move ioeventfd ops to MemoryListener", 2012-02-29)

But they seem to be never used.  Drop them.

Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20230306193209.516011-1-peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 hw/virtio/vhost.c | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index a266396576..746d130c74 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1291,18 +1291,6 @@ void vhost_virtqueue_stop(struct vhost_dev *dev,
                        0, virtio_queue_get_desc_size(vdev, idx));
 }
 
-static void vhost_eventfd_add(MemoryListener *listener,
-                              MemoryRegionSection *section,
-                              bool match_data, uint64_t data, EventNotifier *e)
-{
-}
-
-static void vhost_eventfd_del(MemoryListener *listener,
-                              MemoryRegionSection *section,
-                              bool match_data, uint64_t data, EventNotifier *e)
-{
-}
-
 static int vhost_virtqueue_set_busyloop_timeout(struct vhost_dev *dev,
                                                 int n, uint32_t timeout)
 {
@@ -1457,8 +1445,6 @@ int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
         .log_sync = vhost_log_sync,
         .log_global_start = vhost_log_global_start,
         .log_global_stop = vhost_log_global_stop,
-        .eventfd_add = vhost_eventfd_add,
-        .eventfd_del = vhost_eventfd_del,
         .priority = 10
     };
 
-- 
MST




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