Re: [PATCH v3 1/1] ftrace, workqueuetrace: Makeworkqueuetracepoints use TRACE_EVENT macro

[Oleg Nesterov]

On 04/21, Oleg Nesterov wrote:
>
> On 04/21, Frederic Weisbecker wrote:
> >
> > For example,
> >
> > - the user opens the stat file
> > - then the entries are loaded and sorted into memory
> > - one of the workqueues is destroyed

Hmm. And what protects cws when, say, workqueue_stat_show() is called?
Can't we race with probe_workqueue_destruction()->kfree() ?

Oleg.

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