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

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Message-Id: <466EC08A.76E4.0078.0@novell.com>
Date:	Tue, 12 Jun 2007 15:49:30 +0200
From:	"Jan Beulich" <jbeulich@...ell.com>
To:	"Satyam Sharma" <satyam.sharma@...il.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

>> 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.

Jan

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