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8 changes: 4 additions & 4 deletions source/prog_guide/env_abstraction_layer.rst
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Expand Up @@ -53,9 +53,9 @@ EAL提供的典型服务有：

* CPU特征辨识：用于决定CPU运行时的一些特殊功能，决定当前CPU支持的特性，以便编译对应的二进制文件。

* 中断处理：提供接口用于向中断注册/解注册回掉函数。
* 中断处理：提供接口用于向中断注册/解注册回调函数。

* 告警功能：提供接口用于设置/取消指定时间环境下运行的毁掉函数。
* 告警功能：提供接口用于设置/取消指定时间环境下运行的回调函数。

Linux环境下的EAL
----------------
Expand Down Expand Up @@ -162,8 +162,8 @@ EAL可以在运行时查询CPU状态（使用rte_cpu_get_feature()接口），
+ 主线程中的用户空间中断和警告处理

EAL创建一个主线程用于轮询UIO设备描述文件以检测中断。
可以通过EAL提供的函数为特定的中断事件注册/解注册回掉函数，回掉函数在主线程中被异步调用。
EAL同时也允许像NIC中断那样定时调用回掉函数。
可以通过EAL提供的函数为特定的中断事件注册/解注册回调函数，回调函数在主线程中被异步调用。
EAL同时也允许像NIC中断那样定时调用回调函数。

.. note::

Expand Down