Re: [PATCH v4 02/21] kallsyms: Export kallsyms_lookup_name

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On Wed, Jun 28, 2023 at 06:04:29PM +0530, Mukesh Ojha wrote:
> Module like minidump providing debugging support will need to
> get the symbol information from the core kernel e.g to get
> the linux_banner, kernel section addresses bss, data, ro etc.
One might ask why we would need such a debug driver to
be compiled as module? What would you do if we need to capture more
kernel data structures later? Do you plan to continue use
kallsyms_lookup_name() to query all the symbols?

I have seen v3 discussion where you are asked to compile this driver
as module but that time there was no reason why your driver needs to
be compiled as statically, now you have a reason (linux_banner) for

> commit 0bd476e6c671 ("kallsyms: unexport kallsyms_lookup_name()
>  and kallsyms_on_each_symbol()") unexports kallsyms_lookup_name
> due to lack of in-tree user of the symbol. Now, that minidump
> will one of its user, export it.
> Signed-off-by: Mukesh Ojha <quic_mojha@xxxxxxxxxxx>


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