Re: [RFC 0/6] uprobes: kill uprobes_srcu/uprobe_srcu_id

[Peter Zijlstra]

On Sat, 2012-04-14 at 22:52 +0200, Oleg Nesterov wrote:
> > >     - can it work or I missed something "in general" ?
> >
> > So we insert in the rb-tree before we take mmap_sem, this means we can
> > hit a non-uprobe int3 and still find a uprobe there, no?
> 
> Yes, but unless I miss something this is "off-topic", this
> can happen with or without these changes. If find_uprobe()
> succeeds we assume that this bp was inserted by uprobe.

OK, but then I completely missed what the point of that 
down_write() stuff is..
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