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Date: Tue, 18 Jun 2013 14:50:41 -0400
From: Jung-uk Kim <jkim@FreeBSD.org>
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To: Robert Millan <rmh@freebsd.org>
Subject: Re: Bus space routines
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On 2013-06-18 06:56:15 -0400, Robert Millan wrote:
> I think the BSD world did the right thing by introducing new 
> semantics. Plus they're also more portable (on the hardware
> sense), have a look, e.g.:
...
> So why not just use those? It seems very natural to me that if you 
> have something which is unambigous and reliable, you use this
> instead of something else which is prone to nasty errors.

bus_space(9!) is KPI and it must not be used on userland.  Actually,
it only works on X86 by pure luck, e.g., bus_space_tag_t is an
integral type, it has very simple instructions to directly access I/O
space, etc.

Please use GNU libc for Debian until we implement proper API.

Jung-uk Kim
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