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This adds extra condition to wake up data reader: do it only when number of readable bytes >= SO_RCVLOWAT. Otherwise, there is no sense to kick user, because it will wait until SO_RCVLOWAT bytes will be dequeued. This check is performed in vsock_data_ready(). Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru> Reviewed-by: Vishnu Dasa <vdasa@vmware.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>