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qdev: add HotplugHandler->post_plug() callback

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The ->pre_plug() callback is invoked before the device is realized.  The
->plug() callback is invoked when the device is being realized but
before it is reset.

This patch adds a ->post_plug() callback which is invoked after the
device has been reset.  This callback is needed by HotplugHandlers that
need to wait until after ->reset().

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20180716083732.3347-2-stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2018-07-16 09:37:31 +01:00 • committed by Paolo Bonzini
parent f3575af130
commit 25e8978817
3 changed files with 25 additions and 0 deletions
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4
hw/core/qdev.c
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@ -867,6 +867,10 @@ static void device_set_realized(Object *obj, bool value, Error **errp)
device_reset(dev);
}
dev->pending_deleted_event = false;
if (hotplug_ctrl) {
hotplug_handler_post_plug(hotplug_ctrl, dev);
}
} else if (!value && dev->realized) {
Error **local_errp = NULL;
QLIST_FOREACH(bus, &dev->child_bus, sibling) {