linux-kernel - Re: [PATCH] ibmphp : read the length of ebda and map entire ebda region

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Message-ID: <20100109182343.GA4695@suse.de>
Date:	Sat, 9 Jan 2010 10:23:43 -0800
From:	Greg KH <gregkh@...e.de>
To:	Chandru <chandru@...ibm.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] ibmphp : read the length of ebda and map entire ebda
 region

On Sat, Jan 09, 2010 at 05:12:25PM +0530, Chandru wrote:
> ibmphp driver currently maps only 1KB of ebda memory area into kernel address 
> space during driver initialization. This causes kernel oops when the driver is 
> modprobe'd and it accesses memory area beyond 1KB within ebda segment. The first 
> byte of ebda segment actually stores the length of the ebda region in 
> Kilobytes. Hence make use of the length parameter and map the entire ebda 
> region.
> 
> 
> Signed-off-by: Chandru Siddalingappa <chandru@...ux.vnet.ibm.com>
> ---
> 
>  drivers/pci/hotplug/ibmphp_ebda.c |   11 +++++++++--

Please use the scripts/get_maintainer.pl script to get the proper person
and mailing list to send this patch to (hint, it's not me.)

thanks,

greg k-h
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