| Date | Mon, 4 Jan 2016 17:52:20 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH v9 06/13] task_isolation: add debug boot flag |
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On Mon, 4 Jan 2016 14:34:44 -0500 Chris Metcalf <cmetcalf@ezchip.com> wrote:
> +#ifdef CONFIG_TASK_ISOLATION > +void task_isolation_debug(int cpu) > +{ > + struct task_struct *p; > + > + if (!task_isolation_possible(cpu)) > + return; > + > + rcu_read_lock();
What's the rcu_read_lock() for? I don't see what is being protected by rcu here?
-- Steve
> + p = cpu_curr(cpu); > + get_task_struct(p); > + rcu_read_unlock(); > + task_isolation_debug_task(cpu, p); > + put_task_struct(p); > +} > +#endif > +
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