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Subject: Re: [RFC/PATCH] powerpc: provide APIs for validating and updating DABR
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Nathan Lynch <ntl@pobox.com>
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Date: Mon, 23 Feb 2009 14:51:58 +1100
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> +/* for reprogramming DABR/DAC during restart of a checkpointed task */
> +extern bool debugreg_valid(unsigned long val);
> +extern void debugreg_update(struct task_struct *task, unsigned long val);
> +

Please keep the "index" here. We may want to add support for IABR, and
there is some WIP to add support for multiple DACs and IACs on BookE
processors.

Cheers,
Ben.