A child or nested task is put on a local queue that is specific to the thread on which the parent task is executing.
子任务或嵌套任务将放入一个本地队列，该队列特定于父任务在其上执行的线程。
This task must not be nested within a DatabaseConnectionTask and opens its own connection to the database.
该任务不能嵌套在DatabaseConnectionTask中并打开它自己的到数据库的连接。
Specific to virtualization, the KVM additions add support for nested paging and x86 hardware task switching. ZDNet also points out.
具体到虚拟化，K VM新增了对嵌套分页和x86硬件任务切换的支持。
应用推荐