From 73a92ede54b97d62d288f35f6e355cf88bc2e497 Mon Sep 17 00:00:00 2001
From: yuchen <yuchen@tsinghua.edu.cn>
Date: Thu, 16 Apr 2015 11:16:34 +0800
Subject: [PATCH] update lab7_X

---
 related_info/labX/lab7_X.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/related_info/labX/lab7_X.md b/related_info/labX/lab7_X.md
index 7de4255..745c541 100644
--- a/related_info/labX/lab7_X.md
+++ b/related_info/labX/lab7_X.md
@@ -9,4 +9,7 @@ http://www.diybl.com/course/6_system/linux/Linuxjs/20081117/151814.html
 状态：未完成
 完成人：
 
+challenge3: 在内核中增加相应机制，能够探测死锁或破坏互斥现象
+状态：未完成
+完成人：