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

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Message-ID: <a781481a0706120709v5a2d1147m9d372a8056aeba6d@mail.gmail.com>
Date:	Tue, 12 Jun 2007 19:39:30 +0530
From:	"Satyam Sharma" <satyam.sharma@...il.com>
To:	"Jan Beulich" <jbeulich@...ell.com>
Cc:	"Venkatesh Pallipadi" <venkatesh.pallipadi@...el.com>,
	"Sam Ravnborg" <sam@...nborg.org>, "Andi Kleen" <ak@...e.de>,
	linux-kernel@...r.kernel.org, patches@...-64.org
Subject: Re: [PATCH] x86: fix improper .init-type section references

On 6/12/07, Jan Beulich <jbeulich@...ell.com> 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.
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