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From: "K.Prasad" <prasad@linux.vnet.ibm.com>
To: Albert Cahalan <acahalan@gmail.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [RFC Patch 1/9] Introducing generic hardware breakpoint handler interfaces
Date: Mon, 20 Oct 2008 15:22:36 +0530	[thread overview]
Message-ID: <20081020095236.GA4042@in.ibm.com> (raw)
In-Reply-To: <787b0d920810200233v3ccc87bfjab4a4aec510a79cb@mail.gmail.com>

On Mon, Oct 20, 2008 at 05:33:40AM -0400, Albert Cahalan wrote:
> 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.

We should be able to handle such unique requirements by introducing a
new type of breakpoints (similar to HW_BREAKPOINT_EXECUTE,
HW)BREAKPOINT_WRITE, etc).

Thanks,
K.Prasad


  reply	other threads:[~2008-10-20  9:52 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-20  9:33 [RFC Patch 1/9] Introducing generic hardware breakpoint handler interfaces Albert Cahalan
2008-10-20  9:52 ` K.Prasad [this message]
  -- strict thread matches above, loose matches on Subject: below --
2008-12-18 16:34 Richard J Moore
2008-12-04 19:08 [RFC Patch 0/9] Hardware Breakpoint interfaces - v2 K.Prasad
2008-12-04 19:11 ` [RFC Patch 1/9] Introducing generic hardware breakpoint handler interfaces K.Prasad
2008-12-04 19:38   ` David Daney
2008-12-17  3:47     ` K.Prasad
2008-10-08 19:20 [RFC Patch 0/9] Hardware Breakpoint interfaces - v2 K.Prasad
2008-10-08 19:23 ` [RFC Patch 1/9] Introducing generic hardware breakpoint handler interfaces K.Prasad
2008-10-16  2:49   ` Roland McGrath
2008-10-16  3:45     ` K.Prasad
2008-10-18  0:34       ` Roland McGrath
2008-10-16 14:38     ` Alan Stern
2008-10-17 23:58       ` Roland McGrath
2008-10-18 15:23         ` Alan Stern
2008-10-07 11:38 [RFC Patch 0/9] Hardware Breakpoint interfaces K.Prasad
2008-10-07 11:40 ` [RFC Patch 1/9] Introducing generic hardware breakpoint handler interfaces K.Prasad
2008-10-07 15:21   ` Alan Stern
2008-10-07 16:49     ` K.Prasad

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