[Fault-injection-developer] [Fwd: Re: about debug execption in kprobes]

[Louis Z. <lou...@li...>]

FYI. So our DR/DBP will wait for Vamsi's coming kprobes against 2.5.62.
-----Forwarded Message-----

> From: Vamsi Krishna S . <va...@in...>
> To: Louis Zhuang <lou...@li...>
> Cc: Frank Wang <fra...@in...>, Stanley Wang <sta...@in...>, Rusty Lynch <ru...@li...>
> Subject: Re: about debug execption in kprobes
> Date: 20 Feb 2003 11:33:55 +0530
> 
> On Wed, Feb 19, 2003 at 05:49:49PM +0800, Louis Zhuang wrote:
> > Dear Vamsi,
> > 	I found current kernel had changed debug execption from trap gate to
> > int gate. It would conflict with your kprobes. Because our some code
> > depend on your kprobes, I'd like to know what is your opion about that.
> > Looking forward to your reply.
> > 
> > http://www.uwsg.iu.edu/hypermail/linux/kernel/0302.1/0081.html
> > -- 
> I like it. kprobes too turns trap 1 into an interrupt gate. So, this will
> make kprobes patch slightly smaller. kprobes also turns trap 1 into a
> ring 3 accessible trap, but I doubt that is really needed at the moment.
> 
> I will send out a kprobes patch against 2.5.62.
> 
> Thanks for pointing this out.
> --Vamsi.
> -- 
> Vamsi Krishna S.
> Linux Technology Center,
> IBM Software Lab, Bangalore.
> Ph: +91 80 5044959
> Internet: va...@in...
-- 
Yours truly,
Louis Zhuang
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