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Subject: Re: [PATCHv11 2.6.36-rc2-tip 5/15]  5: uprobes: Uprobes
 (un)registration and exception handling.
From: Peter Zijlstra <peterz@infradead.org>
To: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>, Steven Rostedt <rostedt@goodmis.org>,
        Randy Dunlap <rdunlap@xenotime.net>,
        Arnaldo Carvalho de Melo <acme@infradead.org>,
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        Naren A Devaiah <naren.devaiah@in.ibm.com>,
        Jim Keniston <jkenisto@linux.vnet.ibm.com>,
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        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
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Date: Fri, 03 Sep 2010 19:27:57 +0200
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On Fri, 2010-09-03 at 22:12 +0530, Srikar Dronamraju wrote:
> 
> 3. Ingo has a requirement for allowing normal users to use uprobes thro
> perf. When this feature gets implemented, we have to be careful about a
> normal users trying to just trace their application resulting in it
> hitting performance all other users. 

For that I guess we should have a way to tie a uprobe to a filedesc or
somesuch, that way whenever the owner dies, the probe goes away.

Such probes would also obviuosly get a filter that limits it to tasks of
its own user etc..