linux-kernel - Re: [PATCH] drivers:uio:fix section mismatch in uio_pdrv

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Date:	Mon, 22 Aug 2011 14:03:14 +0200
From:	"Hans J. Koch" <hjk@...sjkoch.de>
To:	Wanlong Gao <wanlong.gao@...il.com>
Cc:	linux-kernel@...r.kernel.org, hjk@...sjkoch.de, gregkh@...e.de,
	Wanlong Gao <gaowanlong@...fujitsu.com>
Subject: Re: [PATCH] drivers:uio:fix section mismatch in uio_pdrv_genirq.c

On Sat, Aug 20, 2011 at 12:12:07PM +0800, Wanlong Gao wrote:
> From: Wanlong Gao <gaowanlong@...fujitsu.com>
> 
> Remove the __devinitconst to fix the section mismatch.
> 
> WARNING: drivers/uio/built-in.o(.data+0x2e8): Section mismatch in
> reference from the variable uio_pdrv_genirq to the variable

Hmm, I don't see that section mismatch here when I do a
make CONFIG_DEBUG_SECTION_MISMATCH=y. How do you produce that?

> .devinit.rodata:uio_of_genirq_match
> The variable uio_pdrv_genirq references
> the variable __devinitconst uio_of_genirq_match
> If the reference is valid then annotate the
> variable with __init* or __refdata (see linux/init.h) or name the
> variable:
> *driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one,
> *_console

Is just removing the __devinitconst really the best solution?

Thanks,
Hans

> 
> Signed-off-by: Wanlong Gao <gaowanlong@...fujitsu.com>
> ---
>  drivers/uio/uio_pdrv_genirq.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c
> index bae96d2..0b2ed71 100644
> --- a/drivers/uio/uio_pdrv_genirq.c
> +++ b/drivers/uio/uio_pdrv_genirq.c
> @@ -253,7 +253,7 @@ static const struct dev_pm_ops uio_pdrv_genirq_dev_pm_ops = {
>  };
>  
>  #ifdef CONFIG_OF
> -static const struct of_device_id __devinitconst uio_of_genirq_match[] = {
> +static const struct of_device_id uio_of_genirq_match[] = {
>  	{ /* empty for now */ },
>  };
>  MODULE_DEVICE_TABLE(of, uio_of_genirq_match);
> -- 
> 1.7.4.1
> 
> 
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