Re: [RFC PATCH 0/3] kallsyms: add option to include relative filepaths into kallsyms

[Greg KH <gregkh@linuxfoundation.org>]

On Thu, Aug 18, 2022 at 01:53:03PM +0200, Alexander Lobakin wrote:
> This is an early RFC to not rewrite stuff one more time later on if
> the implementation is not acceptable or any major design changes are
> required. For the TODO list, please scroll to the end.
> 
> Make kallsyms independent of symbols positions in vmlinux (or module)
> by including relative filepath in each symbol's kallsyms value. I.e.
> 
> dev_gro_receive -> net/core/gro.c:dev_gro_receive
> 
> For the implementation details, please look at the patch 3/3.
> Patch 2/3 is just a stub, I plan to reuse kallsyms enhancement from
> the Rust series for it.
> Patch 1/3 is a fix of one modpost macro straight from 2.6.12-rc2.
> 
> A nice side effect is that it's now easier to debug the kernel, as
> stacktraces will now tell every call's place in the file tree:

That's a side effect, but that does not explain _why_ you want this
change.

What is this good for?  Who can use it?  Why is it worth added build
times?

You don't tell us anything except what this does :(

thanks,

greg k-h