Message-ID: <41F927E4.7070607@tmr.com>
Date: Thu, 27 Jan 2005 12:41:56 -0500
From: Bill Davidsen <davidsen@tmr.com>
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To: Andreas Gruenbacher <agruen@suse.de>
CC: Matt Domsch <Matt_Domsch@Dell.com>, Rusty Russell <rusty@rustcorp.com.au>,
       Greg KH <greg@kroah.com>, Christoph Hellwig <hch@infradead.org>,
       "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2.6.11-rc2] modules: add version and srcversion to sysfs
References: <20050126140935.GA27641@lists.us.dell.com><20050119171357.GA16136@lst.de> <1106757530.13004.220.camel@winden.suse.de>
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Andreas Gruenbacher wrote:
> On Wed, 2005-01-26 at 15:09, Matt Domsch wrote:
> 
>>On Wed, Jan 26, 2005 at 10:22:29AM +0100, Andreas Gruenbacher wrote:
>>
>>>On Wednesday 26 January 2005 07:05, Matt Domsch wrote:
>>>
>>>>Module:  Add module version and srcversion to the sysfs tree
>>>
>>>why do you need this?
>>
>>a) Tools like DKMS, which deal with changing out individual kernel
>>modules without replacing the whole kernel, can behave smarter if they
>>can tell the version of a given module.
> 
> 
> They can look at the modules in /lib/modules/$(uname -r).

I think he means he wants to know what's in memory, not on the disk.

[ snip ]
> 
>>c) as the unbind-driver-from-device work takes shape, it will be
>>possible to rebind a driver that's built-in (no .ko to modinfo for the
>>version) to a newly loaded module.  sysfs will have the
>>currently-built-in version info, for comparison.
>>
>>d) tech support scripts can then easily grab the version info for
>>what's running presently - a question I get often.
> 
> 
> That's something you can do entirely in userspace by looking at the *.ko
> files.

How do you find which *.ko file was used to load the module in memory? I 
think you are talking about two things here.

-- 
    -bill davidsen (davidsen@tmr.com)
"The secret to procrastination is to put things off until the
  last possible moment - but no longer"  -me
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