Messages in this thread | | | Subject | Re: Q: perf_event && event->owner | From | Peter Zijlstra <> | Date | Tue, 09 Nov 2010 17:56:44 +0100 |
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On Tue, 2010-11-09 at 16:57 +0100, Oleg Nesterov wrote: > > If the creator of perf_event dies, nobody can use its ->perf_event_list > anyway. What is the point to keep the reference to the dead task_struct > and preserve this ->perf_event_list?
But when the owner dies it will close all its fds, which means it will clear its tsk->perf_event_list, no? (With exception of the case where the fd was passed through a unix-socket to another process).
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