Re: Module Ref Counting & ibmphp

From: Greg KH
Date: Tue Mar 14 2006 - 18:59:38 EST


On Wed, Mar 15, 2006 at 09:47:00AM +1100, Srihari Vijayaraghavan wrote:
> Before (in 2.6.16-rc*):
> $ egrep 'ibmphp' /proc/modules
> ibmphp 67809 4294967295 - Live 0xf8910000
> ^^^^^^^^^^
>
> After [1]:
> ibmphp 64224 0 - Live 0xf8965000
> ^
>
> Of course, now I'm able to successfully unload ibmphp
> (& subsequently load it too :)) without any
> observeable problems.
>
> It'd seem, thro struct hotplug_slot_ops, module ref
> count for ibmphp is taken care of. No?

No. I don't think this driver likes to be unloaded due to the
instability of the hardware if that happens. So let's just let it not
be unloaded, and hope that the hardware can die in peace and never get
put into any new machines...

thanks,

greg k-h
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