Re: [PATCH] x86: fix improper .init-type section references

From: Satyam Sharma
Date: Tue Jun 12 2007 - 10:09:46 EST


On 6/12/07, Jan Beulich <jbeulich@xxxxxxxxxx> wrote:
>> And from a purely theoretical
>> perspective I don't think such references should be considered bad -
>> .exit.* should be discarded together with .init.* if unloading is
>> impossible (built-in or configured off), not before module/kernel
>> initialization.
>
>Hmm, but that's not how things are, presently. __exit marked
>functions are simply not linked into the kernel (when that module
>is being built-in) at all -- this "discard" happens at _build time_
>(to save on kernel image size).

Not really, at least not for i386 and x86-64 - see their vmlinux.lds.S files.

For those archs, yes, you're right that modpost should be
special-casing (based on arch) before complaining for
.init -> .exit references.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/