netdev - Re: virtio-net: new section mismatch warning. revert patch?

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Message-Id: <200911051510.54163.rusty@rustcorp.com.au>
Date:	Thu, 5 Nov 2009 15:10:53 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	"Michael S. Tsirkin" <mst@...hat.com>, Greg KH <gregkh@...e.de>,
	Sam Ravnborg <sam@...nborg.org>
Cc:	"Uwe Kleine-König" 
	<u.kleine-koenig@...gutronix.de>, Sam Ravnborg <sam@...nborg.org>,
	"David S. Miller" <davem@...emloft.net>,
	Alex Williamson <alex.williamson@...com>,
	Mark McLoughlin <markmc@...hat.com>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: virtio-net: new section mismatch warning. revert patch?

On Thu, 5 Nov 2009 12:47:30 am Michael S. Tsirkin wrote:
> With v2.6.32-rcX I started getting section mismatch warnings for
> virtio_net.
> make with CONFIG_DEBUG_SECTION_MISMATCH=y shows:
> 
> WARNING: drivers/net/virtio_net.o(.data+0x90): Section mismatch in
> reference from the variable virtio_net to the function
> .devexit.text:virtnet_remove()                                                                    
> The variable virtio_net references                                                                            
> the function __devexit virtnet_remove()                                                                       
> If the reference is valid then annotate the                                                                   
> variable with __exit* (see linux/init.h) or name the variable:                                                
> *driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,                                  
> 
> virtnet_remove was converted to devexit by this commit:
> 
> 	commit 3d1285beff2e8467b8c3884d83b7a91a99aa9fcd
> 	Author: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> 	Date:   Wed Sep 30 22:28:34 2009 +0000
> 
> 	    move virtnet_remove to .devexit.text
> 
> We didn't have these warnings in v2.6.31, so this is a regression.
> revert?

No, just rename "virtio_net" to "virtio_net_driver".  Meanwhile, ignore it.
It's worked well for me so far.

Uwe: I apologize for accepting your patches.  I will be more careful in
future.

Cheers,
Rusty.
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