Date: Wed, 10 Jan 2007 18:05:49 +0100
From: Jean Delvare <khali@linux-fr.org>
To: "Martin J. Bligh" <mbligh@mbligh.org>
Cc: Andrew Morton <akpm@osdl.org>, Linus Torvalds <torvalds@osdl.org>,
       Andrey Borzenkov <arvidjaar@mail.ru>, linux-kernel@vger.kernel.org,
       Andy Whitcroft <apw@shadowen.org>,
       Herbert Poetzl <herbert@13thfloor.at>, Olaf Hering <olaf@aepfle.de>
Subject: Re: .version keeps being updated
Message-Id: <20070110180549.ec871845.khali@linux-fr.org>
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Hi Martin,

On Wed, 10 Jan 2007 08:52:24 -0800, Martin J. Bligh wrote:
> Andrew Morton wrote:
> > I use it pretty commonly to answer the question "did I remember to install
> > that new kernel I just built before I rebooted"?  By comparing `uname -a'
> > with $TOPDIR/.version.
> 
> Yup, we need to do the same thing in automated testing. Especially when
> you're doing lilo -R, and don't know if you ended up fscking or panicing
> during attempted reboot to new kernel.
> 
> Better would be a checksum of the vmlinux vs the running kernel text,
> but that seems to be impossible due to code rewriting. Could we embed
> a checksum in a little /proc file for this?

What would this allow that our current autoincrementing counter doesn't?

-- 
Jean Delvare
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