Re: [RFC] [PATCH 1/7] User Space Breakpoint Assistance Layer (UBP)

From: Peter Zijlstra
Date: Sun Jan 17 2010 - 10:02:10 EST


On Sun, 2010-01-17 at 16:56 +0200, Avi Kivity wrote:
> On 01/17/2010 04:52 PM, Peter Zijlstra wrote:

> > Also, if its fixed size you're imposing artificial limits on the number
> > of possible probes.
> >
>
> Obviously we'll need a limit, a uprobe will also take kernel memory, we
> can't allow people to exhaust it.

Only if its unprivilidged, kernel and root should be able to place as
many probes until the machine keels over.
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