refer to orignal plan posted by Marcelo Tosatti, http://lists.gnu.org/archive/html/qemu-devel/2012-06/msg04315.html
These patches protect DeviceState's rd from reclaimer. It is neccessary when no qemu_global_lock protects between them. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
