kprobe fault handling

[Martin Hunt]

On Fri, 2006-02-10 at 17:12 -0500, Frank Ch. Eigler wrote:
> Hi -
> 
> > > As mentioned several times, this runtime routine "_stp_copy_from_user"
> > > is not safe, and should be rewritten or removed.
> > 
> > Yes, you always say this. Please tell us why that is so.
> 
> Always for the same reason: because it invokes functions that can
> might sleep (and are in fact documented as such).  

Which function are those?