linux-kernel - Re: section mismatch with a platform driver

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Message-ID: <48F377F4.7070502@oracle.com>
Date:	Mon, 13 Oct 2008 09:31:48 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Neshama Parhoti <pneshama@...il.com>
CC:	Adrian Bunk <bunk@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: section mismatch with a platform driver

Neshama Parhoti wrote:
> On Mon, Oct 13, 2008 at 6:01 PM, Randy Dunlap <randy.dunlap@...cle.com> wrote:
>> A probe function can be called at any time -- i.e., after system init
>> has completed, so discarding the __init function my_probe_func() is BAD,
>> dangerous, BUGgy.
> 
> Thanks for the explanation!
> 
> Does that mean that all drivers with __init in their probe functions are bogus ?

It depends.  If your platform doesn't support hotplug, then it's possible
that the probe function is only called during system init, so it would be OK.

And in general, if a kernel is built without hotplug support, then the
__init probe functions are probably safe.  But I'm not sure about it.

-- 
~Randy
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