From 4ac32eb37bf1ccaa084e4ad8cb2ab2e9992778be Mon Sep 17 00:00:00 2001
From: gatieme <gatieme@163.com>
Date: Sun, 5 Jun 2016 12:26:58 +0800
Subject: [PATCH] =?UTF-8?q?=E5=86=85=E6=A0=B8=E7=BA=BF=E7=A8=8B=E7=9A=84?=
 =?UTF-8?q?=E5=AD=A6=E4=B9=A0...?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../02-create/07-kernel_thead/README.md        |  2 ++
 .../kthread_run/test_kthread_run.c             | 18 +++++++++++-------
 .../02-create/08-do_execve/README.md           |  9 +++++++++
 3 files changed, 22 insertions(+), 7 deletions(-)
 create mode 100644 study/kernel/01-process/02-create/08-do_execve/README.md

diff --git a/study/kernel/01-process/02-create/07-kernel_thead/README.md b/study/kernel/01-process/02-create/07-kernel_thead/README.md
index e4c713e..9c06549 100644
--- a/study/kernel/01-process/02-create/07-kernel_thead/README.md
+++ b/study/kernel/01-process/02-create/07-kernel_thead/README.md
@@ -223,6 +223,7 @@ struct task_struct *kthread_create_on_node(int (*threadfn)(void *data),
 #define kthread_create(threadfn, data, namefmt, arg...) \
        kthread_create_on_node(threadfn, data, NUMA_NO_NODE, namefmt, ##arg)
 ```
+
 创建内核更常用的方法是辅助函数kthread_create，该函数创建一个新的内核线程。最初线程是停止的，需要使用wake_up_process启动它。
 
 
@@ -251,3 +252,4 @@ struct task_struct *kthread_create_on_node(int (*threadfn)(void *data),
 ```
 
 使用kthread_run，与kthread_create不同的是，其创建新线程后立即唤醒它，其本质就是先用kthread_create创建一个内核线程，然后通过wake_up_process唤醒它
+
diff --git a/study/kernel/01-process/02-create/07-kernel_thead/kthread_run/test_kthread_run.c b/study/kernel/01-process/02-create/07-kernel_thead/kthread_run/test_kthread_run.c
index dfe4192..7bcd9f3 100644
--- a/study/kernel/01-process/02-create/07-kernel_thead/kthread_run/test_kthread_run.c
+++ b/study/kernel/01-process/02-create/07-kernel_thead/kthread_run/test_kthread_run.c
@@ -6,15 +6,18 @@
 #include <linux/delay.h>  // error: implicit declaration of function ‘msleep’
 
 
-static struct task_struct *tsk;
+static struct task_struct *ptask;
 
 static int thread_function(void *data)
 {
     int time_count = 0;
-    do {
+    do
+    {
         printk(KERN_INFO "thread_function: %d times", ++time_count);
         msleep(1000);
-    }while(!kthread_should_stop() && time_count<=30);
+    }while(!kthread_should_stop()
+        && time_count<=30);
+
     return time_count;
 }
 
@@ -22,9 +25,9 @@ static int test_kthread_run_init(void)
 {
     printk(KERN_INFO "test_kthread_run, world!\n");
 
-    tsk = kthread_run(thread_function, NULL, "mythread%d", 1);
+    ptask = kthread_run(thread_function, NULL, "mythread%d", 1);
 
-    if (IS_ERR(tsk))
+    if (IS_ERR(ptask))
     {
         printk(KERN_INFO "create kthread failed!\n");
     }
@@ -39,9 +42,10 @@ static int test_kthread_run_init(void)
 static void test_kthread_run_exit(void)
 {
     printk(KERN_INFO "test_kthread_run, exit!\n");
-    if (!IS_ERR(tsk))
+ 
+    if (!IS_ERR(ptask))
     {
-        int ret = kthread_stop(tsk);
+        int ret = kthread_stop(ptask);
         printk(KERN_INFO "thread function has run %ds\n", ret);
     }
 }
diff --git a/study/kernel/01-process/02-create/08-do_execve/README.md b/study/kernel/01-process/02-create/08-do_execve/README.md
new file mode 100644
index 0000000..8a84d8b
--- /dev/null
+++ b/study/kernel/01-process/02-create/08-do_execve/README.md
@@ -0,0 +1,9 @@
+Linux进程启动过程do_execve详解
+=======
+
+
+| 日期 | 内核版本 | 架构| 作者 | GitHub| CSDN |
+| ------------- |:-------------:|:-------------:|:-------------:|:-------------:|:-------------:|
+| 2016-06-04 | [Linux-4.5](http://lxr.free-electrons.com/source/?v=4.5) | X86 & arm | [gatieme](http://blog.csdn.net/gatieme) | [LinuxDeviceDrivers](https://github.com/gatieme/LDD-LinuxDeviceDrivers) | [Linux进程管理与调度-之-进程的描述](http://blog.csdn.net/gatieme/article/category/6225543) |
+
+