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RE: Basic question on debian kernel versions



Then, give that 6.0.0, 6.03  and 6.0.4, since uname -a output is the same, can I assume that kernel image is the same and building driver for any of these debian version will give me the same driver binary?


-----Original Message-----
From: Uwe Kleine-König [mailto:u.kleine-koenig@pengutronix.de] 
Sent: Wednesday, April 18, 2012 12:45 PM
To: Bandi,Sarveshwar
Cc: debian-kernel@lists.debian.org
Subject: Re: Basic question on debian kernel versions

On Tue, Apr 17, 2012 at 11:56:00PM -0700, Sarveshwar.Bandi@Emulex.Com wrote:
> Hi,
>   I have tried installing different version of debain kernels from CDs 
> in the archive. For ex: I tried Debian 6.0.0, 6.0.3, 6.0.4. After 
> installation all installations show /etc/debian_version as 6.0.4 and 
> the same output for uname -r (2.6.32-5-686). How does one 
> differentiate which version of debian kernel is installed?
> 
> If all the version of debian installation have same value for uname 
> -a, then will driver compiled for 6.0.0, load on 6.0.3 as is?
> 
> I am sure I am missing something basic here.
No you don't. All updates to the kernel are checked for binary incompatibilities. If it's possible to maintain compatibility it's done.
Otherwise the abi version (the 5 in 2.6.32-5-686) is bumped and then you need to recompile your external modules.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |


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