Fwd: Learning Linux Kernel Development

[Carter Cheng]

Thanks for the advice. I actually have those books as well and will take a
look at them.

On Thu, Oct 11, 2018 at 12:03 AM <valdis.kletnieks at vt.edu> wrote:

> On Wed, 10 Oct 2018 23:35:20 +0800, Carter Cheng said:
> > 1. After finishing the book and perhaps Understanding the Linux Kernel
> and
> > Linux Device Drivers. What is the best way to dig deeper.
>
> There's multiple answers to that question, as it depends on the
> questioner's preferred
> learning style and motivation for digging deeper.
>
> (I'll just add a link so I don't have to copy-paste here)
>
> https://lists.kernelnewbies.org/pipermail/kernelnewbies/2017-April/017765.html
>
> > 2. Is there some good way to figure out how to update knowledge gained
> from
> > this book to what is in the 4.x series of kernels?
>
> If you've studied enough different kernels so that you can generalize from
> an
> example, the fact that 4.19 is 12 million lines different from 2.6.whatever
> won't be much of an issue. If however you're still at the cargo-cult
> programming level of writing code the way the LDD says via cut-n-paste
> without
> really understanding it, you're going to have a bad time.
>
> Somebody was keeping sample code from the LDD, updated to recent kernels.
> Not
> sure if it's much help - if you understand the concepts involved, you
> probably
> wouldn't need sample code, and if you didn't understand the concepts, you
> just
> end up cut-n-pasting from a newer version....
>
> (Two really good kernel books are Bach's book on the Unix SYSV kernel and
> McKusick's book on the BSD kernel - both spend a good amount of time doing
> "and
> if we don't take a lock here, this race condition can happen, and if it
> happens, *this* is what your file system looks like afterwards" type
> discussion...)
>
>
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