From mboxrd@z Thu Jan  1 00:00:00 1970
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Fri, 17 Feb 2012 08:50:23 +0000
Subject: Re: [RFC PATCH 13/16] powerpc/booke: Provide exception macros with interrupt name
Message-Id: <1329468623.2892.62.camel@pasglop>
List-Id: <kvm-ppc.vger.kernel.org>
References: <20111221013440.GM8378@schlenkerla.am.freescale.net>
In-Reply-To: <20111221013440.GM8378@schlenkerla.am.freescale.net>
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To: Scott Wood <scottwood@freescale.com>
Cc: agraf@suse.de, linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, kvm-ppc@vger.kernel.org

On Tue, 2011-12-20 at 19:34 -0600, Scott Wood wrote:
> 
> There is an existing set of arbitrary numbers that Linux passes,
> but it's an undocumented mess that sort of corresponds to
> server/classic
> exception vectors but not really.
> 
> FIXME: Replace the existing trap numbering rather than add to it.

While this is a good idea, the problem is that we do have quite a few
things here or there that check regs->trap and act based on the trap
number, so we'd have to find them all and replace those comparison with
something symbolic.

Cheers,
Ben.