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870b26fa2d
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8 Commits

Author SHA1 Message Date
fennecJ
870b26fa2d Update several example code for newer kernel 
Known issues with current example code:
If you using newer kernel(e.g linux 5.11.x) to compile the example code,
you may meet following error:
1. syscall.c:83:50: error: ‘ksys_close’ undeclared;
2. cryptosk.c:17:24: error: field ‘sg’ has incomplete type
3. cryptosk.c:143:9: error: implicit declaration of function
‘get_random_bytes’
4. error: macro "DECLARE_TASKLET" passed 3 arguments, but takes just 2

Solutions/workaround:
1. In syscall.c, replace #include <linux/syscalls.h> with
#include <linux/fdtable.h> and replace  ksys_close with close_fd
if the kernel version >= 5.11. [1][2]
2. Add #include <linux/scatterlist.h> into cryptosk.c
3. Add #include <linux/random.h> into cryptosk.c
4. In bottomhalf.c and example_tasklet.c, replace DECLARE_TASKLET
with DECLARE_TASKLET_OLD and dispose third argument(0L). [3]

[1] - https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1572bfdf21d4d50e51941498ffe0b56c2289f783
[2] - https://www.mail-archive.com/meta-arago@arago-project.org//msg11939.html
[3] - https://patchwork.kernel.org/project/kernel-hardening/patch/20200716030847.1564131-3-keescook@chromium.org/
 2021-08-23 21:30:43 +08:00
fennecj
0bf15a0286 Remove _minted-lkmpg directory after compiled pdf 
The _minted-lkmpg directory should be removed AFTER all compile work is
done.
 2021-08-09 02:14:24 +08:00
Hsin-Hsiang Peng
8f32341bee
Fix alignment problem in code block (#45) 
In rendered HTML, the line number should be right aligned, and
code should be left aligned accordingly.

In addition, this patch added the basic build instructions, so that
someone can generated the PDF and HTML files.

Close #44
 2021-08-08 01:29:50 +08:00
Jim Huang
a26d93037e Enforce consistent style 
Execute "make indent" before submitting patches.
 2021-08-07 23:33:37 +08:00
Jim Huang
d2fd6d64c0 Tweak pdfLaTeX related commands 2021-08-07 18:49:24 +08:00
fennecJ
044cfefe65
Generate HTML via make4ht (#20) 
This patch generates HTML files with "make4ht" in the "html" directory.

Known issues with "make4ht":
Running "make4ht -suf html5 -d html lkmpg.tex" will cause the following
flaws:
1. The layout was unsatisfying.
2. After parsing TeX, it stoped at "\tableofcontents" with errors.
3. Several unneeded files were generated.
4. No way to specify the destination filename for HTML generation.

Solutions/workaround:
1. Use customized configuration file "html.cfg" to specify the layout style.
2. Turn off the \tableofcontents section when using make4ht. However, this
    results in the lack of table of contents in HTML. It can be fixed by
    appending "\Configure{tableofcontents*}{chapter,section,subsection}"
    to configuration file.
3. The build system removes the temporary files.
4. Use a symbolic link "index.html" to "lkmpg.html".
 2021-08-02 02:42:39 +08:00
Jim Huang
6026699a40 Tidy section: Character Device drivers 2021-08-01 16:21:01 +08:00
Jim Huang
2246e20809 Add LaTeX script and sample code 2021-07-22 06:35:24 +08:00