linD026
148fb013ee
Avoid unexpected concurrent access ( #94 )
...
In file {chardev,chardev2,sleep}.c, the variable to determine
the exclusive access was of integer type, which led to race
condition.
This patch rewrote the above with atomic CAS respectively
to eliminate the race.
Close #93
2021-09-07 23:42:06 +08:00
linD026
9289bfe59c
Fix the warnings raised by Sparse ( #92 )
...
Sparse[1] is a semantic parser, capable of finding out the potential
problems of Linux kernel code. This patch fixed the warnings.
[1] https://www.kernel.org/doc/html/latest/dev-tools/sparse.html
2021-09-04 17:53:29 +08:00
linD026
eef2bc4395
Enforce Linux kernel coding style ( #88 )
...
The only exception is to indent with four spaces rather than tabs
for sticking to compact layout of source listing.
Close #87
2021-09-02 15:15:07 +08:00
Jim Huang
10c7a9433a
Apply editorial changes
...
This patch makes source listing shorter and more compact, that helps
when browsing.
2021-08-08 01:24:59 +08:00
Jim Huang
d43259c553
Drop the deprecated init_module() and cleanup_module()
2021-08-08 00:29:24 +08:00
Jim Huang
1ac7bacfb8
Shorten chardev
2021-08-07 18:29:39 +08:00
demonsome
50e9d9176f
chardev: Revise comment on device node ( #23 )
...
The device file create in this example is "chardev".
So input command "sudo cat /dev/chardev" will get a valid message
"I already told you %d times Hello world!"
2021-07-31 23:03:16 +08:00
Jim Huang
64f791f274
Improve the compatibility with kernel version < 5.6
2021-07-22 07:17:31 +08:00
Jim Huang
50b8dfe6c2
Enforce the customized style for example code
...
Instead of using tab for indention, the style defaults to 4 spaces for
the sake of compact layout.
2021-07-22 06:58:13 +08:00
Jim Huang
2246e20809
Add LaTeX script and sample code
2021-07-22 06:35:24 +08:00
