On Wed, Jul 18, 2012 at 11:28:38AM -0400, Darryl L. Pierce wrote:
> I'm trying to get up to speed with Linux kernel development and have a
> few questions:
>
> 1. According to the book I'm reading (_Linux Kernel Development_ by
> Robert Love) the current kernel's configuration can be found at
> /proc/config.gz. But on Fedora, that's not the case, and it's in /boot/
> as config-{VERSION}. How do I use this in the same way that I would have
> used /proc/config.gz?
It's the same format, but the one in boot isn't gzipped, and doesn't use
up kernel memory.
> 2. On the kernel-janitors mailing list I asked how to get started, and
> was recommended to use clang to build the kernel and submit patches to
> fix errors reported. Has anybody successfully built the kernel usin
> clang packaged for Fedora? If so, how? I tried:
>
> make cc=clang
>
> and the build immediately failed on inline assembler code. I'd
> appreciate a recommendation on how to approach building that way.
If you're just starting out, I'd advise something simpler until you're
comfortable working on the kernel. This isn't a small amount of work
and there's plenty of other low-hanging fruit.
If you're determined however, I'd start by reading up at http://llvm.linuxfoundation.org/index.php/Main_Page
The stock kernel.org tree lacks some of the work already done.
(I've no idea on the state/quality of the patches already done, and whether
they're even mergable upstream)
Dave
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