linux-kernel - Re: [RFC Patch 1/9] Introducing generic hardware breakpoint handler interfaces

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Message-ID: <787b0d920810200233v3ccc87bfjab4a4aec510a79cb@mail.gmail.com>
Date:	Mon, 20 Oct 2008 05:33:40 -0400
From:	"Albert Cahalan" <acahalan@...il.com>
To:	prasad@...ux.vnet.ibm.com,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [RFC Patch 1/9] Introducing generic hardware breakpoint handler interfaces

I'd just like to point out that not all hardware breakpoints
involve addresses. For example:

The OLPC XO uses an x86 processor called the Geode.
It supports a breakpoint that traps based on the opcode.
For example, one could set it to trap on arpl instructions.
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