1. A method for use in a computing system, the computing system having operating thereon a parent partition, a plurality of child partitions, and a hypervisor, wherein each of the plurality of child partitions has associated therewith a shared memory and a trigger page, the method comprising: receiving, by the hypervisor, a system event signal sent by a first child partition, the first child partition being one of the plurality of child partitions; accessing, by the hypervisor, a trigger page associated with the first child partition in response to receiving the system event; and determining whether the trigger page indicates that a shared memory associated with the first child partition contains data to be read by one of a group consisting of the parent partition and the first child partition.