linux-kernel - Re: [PATCH 17/27] acer-wmi: fix section mismatch warnings

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Message-ID: <20080217150551.GB12982@uranus.ravnborg.org>
Date:	Sun, 17 Feb 2008 16:05:51 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Carlos Corbacho <carlos@...angeworlds.co.uk>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Len Brown <len.brown@...el.com>
Subject: Re: [PATCH 17/27] acer-wmi: fix section mismatch warnings

On Sun, Feb 17, 2008 at 01:03:55PM +0000, Carlos Corbacho wrote:
> On Sunday 17 February 2008 12:22:54 Sam Ravnborg wrote:
> > Fix following warnings:
> > WARNING: vmlinux.o(.text+0x672615): Section mismatch in reference from the
> > function acer_platform_remove() to the function
> > .exit.text:acer_backlight_exit() WARNING: vmlinux.o(.devinit.text+0x1e859):
> > Section mismatch in reference from the function acer_platform_probe() to
> > the function .init.text:acer_led_init() WARNING:
> > vmlinux.o(.devinit.text+0x1e878): Section mismatch in reference from the
> > function acer_platform_probe() to the function
> > .init.text:acer_backlight_init()
> >
> > Remove __exit annotation from acer_backlight_exit(). We cannot reference
> > a __exit annotated function from non __exit functions.
> >
> > acer_led_init() and acer_backlight_init() where both annotated __init but
> > used from a __devinit function. This would result in an oops should
> > gcc drop their inlining and the module are hot plugged.
> >
> > Fix by annotating acer_led_init() and acer_backlight_init() __devinit.
> >
> > Signed-off-by: Sam Ravnborg <sam@...nborg.org>
> 
> Signed-off-by: Carlos Corbacho <carlos@...angeworlds.co.uk>
> 
> > Cc: Len Brown <len.brown@...el.com>
> 
> Len, can you apply this to acpi-test? (Unless Andrew wants to take all these 
> through -mm?)

Thanks for the quick reply Carlos.

	Sam
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