linux-kernel - Re: [PATCH] Kwatch: kernel watchpoints using CPU debug registers

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Message-ID: <20070117094454.GB19093@elte.hu>
Date:	Wed, 17 Jan 2007 10:44:54 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Andrew Morton <akpm@...l.org>,
	Prasanna S Panchamukhi <prasanna@...ibm.com>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	Roland McGrath <roland@...hat.com>
Subject: Re: [PATCH] Kwatch: kernel watchpoints using CPU debug registers


* Alan Stern <stern@...land.harvard.edu> wrote:

> From: Alan Stern <stern@...land.harvard.edu>
> 
> This patch (as839) implements the Kwatch (kernel-space hardware-based 
> watchpoints) API for the i386 architecture.  The API is explained in 
> the kerneldoc for register_kwatch() in arch/i386/kernel/kwatch.c.

i think it would be nice to have this ontop of Roland's utrace 
infrastructure, which nicely modularizes all hardware debugging 
capabilities and detaches it from ptrace.

	Ingo
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