Subject: Re: Multiple Processor support and LKM's
To: Ian McIntosh <ianm@cat.co.za>
From: Thor Lancelot Simon <tls@rek.tjls.com>
List: netbsd-users
Date: 07/27/2007 14:25:53
On Fri, Jul 27, 2007 at 05:46:36PM +0200, Ian McIntosh wrote:
> >
> As far as I can see, for 3.x you have to do the same, I attach the code
> fragment used below. I assume that if the interrupt mapping (and
> establishing) was incorrect, the lkm would not function in a single
> processor kernel either.
I wouldn't assume that; a uniprocessor 3.x kernel will use traditional
ISA interrupt handling by default, I am pretty sure, while a multiprocessor
kernel will use the ioapic (it has to).
Thor