Changes between Version 18 and Version 19 of Dev/KernelHack/COINS/worklog/201111

Timestamp:

Nov 25, 2011 2:53:31 AM (13 years ago)

Author:

mitty

Comment:

--

Dev/KernelHack/COINS/worklog/201111

@@ -4084 +4084 @@
 stack: 0
 }}}
+
+ == test with i386 ==
+ * s0711489@ubuntu-lucid:~$ sudo insmod stackmod.ko
+ * s0711489@ubuntu-lucid:~$ cat /proc/stackmod
+{{{
+stack: 0
+}}}
+
+ * s0711489@ubuntu-lucid:~$ sudo mknod /dev/stack c 251 0
+ * s0711489@ubuntu-lucid:~$ sudo chmod 666 /dev/stack
+ * s0711489@ubuntu-lucid:~$ echo hoge > /dev/stack
+ * s0711489@ubuntu-lucid:~$ echo fuga > /dev/stack
+ * s0711489@ubuntu-lucid:~$ cat /proc/stackmod
+{{{
+stack: 2
+stack.data[0].length:      5
+stack.data[1].length:      5
+}}}
+ * s0711489@ubuntu-lucid:~$ cat /dev/stack
+{{{
+fuga
+hoge
+}}}
+ * s0711489@ubuntu-lucid:~$ dd if=/dev/zero of=/dev/stack bs=10
+{{{
+dd: writing `/dev/stack': No space left on device
+129+0 records in
+128+0 records out
+1280 bytes (1.3 kB) copied, 0.00711637 s, 180 kB/s
+}}}
+ * s0711489@ubuntu-lucid:~$ cat /proc/stackmod | tail
+{{{
+stack.data[118].length:     10
+stack.data[119].length:     10
+stack.data[120].length:     10
+stack.data[121].length:     10
+stack.data[122].length:     10
+stack.data[123].length:     10
+stack.data[124].length:     10
+stack.data[125].length:     10
+stack.data[126].length:     10
+stack.data[127].length:     10
+}}}
+ * s0711489@ubuntu-lucid:~$ cat /dev/stack
+ * s0711489@ubuntu-lucid:~$ cat /proc/stackmod
+{{{
+stack: 0
+}}}
+
+ == add author/description ==
+ * s0711489@ubuntu-lucid:~$ modinfo stackmod.ko
+{{{
+filename:       stackmod.ko
+license:        Dual BSD/GPL
+author:         Ken-ichi Mito, @mittyorz
+description:    Kernel Stack Module
+depends:
+vermagic:       2.6.35.14 SMP mod_unload 686
+parm:           entry:max entry number (int)
+}}}