Driving Me Nuts - Things You Never Should Do in the Kernel
In conclusion, reading and writing a file from within the kernel is a bad, bad thing to do. Never do it. Ever. Both modules from this article, along with a Makefile for compiling them, are available from the Linux Journal FTP site, but we expect to see no downloads in the logs. And, I never told you how to do it either. You picked it up from someone else, who learned it from his sister's best friend, who heard about how to do it from her coworker.
Resources for this article: /article/8130.
Greg Kroah-Hartman is one of the authors of Linux Device Drivers, 3rd edition and is the kernel maintainer for more driver subsystems than he likes to admit. He works for SuSE Labs, doing various kernel-specific things and can be reached at email@example.com for issues unrelated to this article.
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