linux-kernel - Re: [PATCH 2/5] arcnet: com90xx: add _

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Date:	Tue, 19 Apr 2016 20:18:01 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	Julia.Lawall@...6.fr
Cc:	m.grzeschik@...gutronix.de, kernel-janitors@...r.kernel.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	mcgrof@...nel.org, josh@...htriplett.org
Subject: Re: [PATCH 2/5] arcnet: com90xx: add __init attribute

From: Julia Lawall <Julia.Lawall@...6.fr>
Date: Mon, 18 Apr 2016 16:55:35 +0200

> Add __init attribute on a function that is only called from other __init
> functions and that is not inlined, at least with gcc version 4.8.4 on an
> x86 machine with allyesconfig.  Currently, the function is put in the
> .text.unlikely segment.  Declaring it as __init will cause it to be put in
> the .init.text and to disappear after initialization.
> 
> The result of objdump -x on the function before the change is as follows:
> 
> 0000000000000000 l     F .text.unlikely 00000000000000bf check_mirror
> 
> And after the change it is as follows:
> 
> 0000000000000000 l     F .init.text	00000000000000ba check_mirror
> 
> Done with the help of Coccinelle.  The semantic patch checks for local
> static non-init functions that are called from an __init function and are
> not called from any other function.
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

Applied to net-next, thanks.