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From: Greg KH <gregkh@suse.de>
To: Chandru <chandru@in.ibm.com>
Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] ibmphp : read the length of ebda and map entire ebda region
Date: Sat, 9 Jan 2010 10:23:43 -0800	[thread overview]
Message-ID: <20100109182343.GA4695@suse.de> (raw)
In-Reply-To: <201001091712.25655.chandru@in.ibm.com>

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@linux.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

  reply	other threads:[~2010-01-09 18:29 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-09 11:42 [PATCH] ibmphp : read the length of ebda and map entire ebda region Chandru
2010-01-09 18:23 ` Greg KH [this message]
2010-01-13 11:26   ` Chandru
2010-01-13  1:26 ` Andrew Morton
2010-01-13 10:52   ` Chandru

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