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
next prev parent 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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