On Fri, Jun 27, 2014 at 05:07:52PM -0600, David Ahern wrote:
> On 6/18/14, 8:58 AM, Jiri Olsa wrote:
> >+ case OEQ_FLUSH__HALF:
> >+ {
> >+ struct ordered_event *first, *last;
> >+ struct list_head *head = &q->events;
> >+
> >+ first = list_entry(head->next, struct ordered_event, list);
> >+ last = q->last;
> >+
> >+ if (WARN_ONCE(!last || list_empty(head), "empty queue"))
> >+ return 0;
>
> Maybe a comment that the WARN_ONCE can only happen if perf can't allocate an
> ordered event the first time through?
ok, will do..
thanks,
jirka
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