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Subject[PATCH 14/20] docs/zh_CN: volatile doc format changes
Date
make it readble as rst format for html etc doc making.

Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Harry Wei <harryxiyou@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Bryan Wu <bryan.wu@analog.com>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Coly Li <colyli@suse.de>
---
.../process/volatile-considered-harmful.rst | 35 ++++++++-----------
1 file changed, 14 insertions(+), 21 deletions(-)

diff --git a/Documentation/translations/zh_CN/process/volatile-considered-harmful.rst b/Documentation/translations/zh_CN/process/volatile-considered-harmful.rst
index 475125967197..48b32ce58ef1 100644
--- a/Documentation/translations/zh_CN/process/volatile-considered-harmful.rst
+++ b/Documentation/translations/zh_CN/process/volatile-considered-harmful.rst
@@ -1,30 +1,23 @@
-Chinese translated version of Documentation/process/volatile-considered-harmful.rst
+.. _cn_volatile_considered_harmful:

-If you have any comment or update to the content, please contact the
-original document maintainer directly. However, if you have a problem
-communicating in English you can also ask the Chinese maintainer for
-help. Contact the Chinese maintainer if this translation is outdated
-or if there is a problem with the translation.
+.. include:: ../disclaimer-zh_CN.rst

-Maintainer: Jonathan Corbet <corbet@lwn.net>
-Chinese maintainer: Bryan Wu <bryan.wu@analog.com>
----------------------------------------------------------------------
-Documentation/process/volatile-considered-harmful.rst 的中文翻译
+:Original: :ref:`Documentation/process/volatile-considered-harmful.rst
+ <volatile_considered_harmful>`

如果想评论或更新本文的内容,请直接联系原文档的维护者。如果你使用英文
交流有困难的话,也可以向中文版维护者求助。如果本翻译更新不及时或者翻
-译存在问题,请联系中文版维护者。
+译存在问题,请联系中文版维护者::

-英文版维护者: Jonathan Corbet <corbet@lwn.net>
-中文版维护者: 伍鹏 Bryan Wu <bryan.wu@analog.com>
-中文版翻译者: 伍鹏 Bryan Wu <bryan.wu@analog.com>
-中文版校译者: 张汉辉 Eugene Teo <eugeneteo@kernel.sg>
- 杨瑞 Dave Young <hidave.darkstar@gmail.com>
-以下为正文
----------------------------------------------------------------------
+ 英文版维护者: Jonathan Corbet <corbet@lwn.net>
+ 中文版维护者: 伍鹏 Bryan Wu <bryan.wu@analog.com>
+ 中文版翻译者: 伍鹏 Bryan Wu <bryan.wu@analog.com>
+ 中文版校译者: 张汉辉 Eugene Teo <eugeneteo@kernel.sg>
+ 杨瑞 Dave Young <hidave.darkstar@gmail.com>
+ 时奎亮 Alex Shi <alex.shi@linux.alibaba.com>

为什么不应该使用“volatile”类型
-------------------------------
+==============================

C程序员通常认为volatile表示某个变量可以在当前执行的线程之外被改变;因此,在内核
中用到共享数据结构时,常常会有C程序员喜欢使用volatile这类变量。换句话说,他们经
@@ -41,7 +34,7 @@ C程序员通常认为volatile表示某个变量可以在当前执行的线程
必要再使用volatile。如果仍然必须使用volatile,那么几乎可以肯定在代码的某处有一
个bug。在正确设计的内核代码中,volatile能带来的仅仅是使事情变慢。

-思考一下这段典型的内核代码:
+思考一下这段典型的内核代码::

spin_lock(&the_lock);
do_something_on(&shared_data);
@@ -66,7 +59,7 @@ volatile的存储类型最初是为那些内存映射的I/O寄存器而定义。
是必需的。

另一种引起用户可能使用volatile的情况是当处理器正忙着等待一个变量的值。正确执行一
-个忙等待的方法是:
+个忙等待的方法是::

while (my_variable != what_i_want)
cpu_relax();
--
2.19.1.856.g8858448bb
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