On Mon, Mar 25, 2013 at 05:38:00PM +0100, Oleg Nesterov wrote:
> On 03/25, Anton Arapov wrote:
> >
> > On Sun, Mar 24, 2013 at 05:28:17PM +0100, Oleg Nesterov wrote:
> > >
> > > Ignoring the fact you need put_uprobe/kfree, it seems that we should
> > > do something like this,
> > >
> > > do {
> > > handler_uretprobe_chain(...);
> > >
> > > if (!ri->dirty) // not chained
> > > break;
> > >
> > > ri = ri->next;
> > > } while (ri);
> > >
> > > utask->return_instances = ri;
> > > No?
> >
> > Oleg, Do you mean
> >
> > do {
> > handler_uretprobe_chain(...);
> >
> > ri = ri->next;
> >
> > if (!ri->dirty) // not chained
> > break;
> > } while (ri);
> >
> > utask->return_instances = ri;
> >
> > otherwise we stuck with the first instance in stack.
>
> Not sure I understand... but it is very possible I missed something.
>
> But the pseudo code I wrote is not correct, I meant
>
> utask->return_instances = ri->next;
>
> after the main loop.
This all makes sense now. Thanks.
Anton.
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