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Date: Mon, 7 May 2018 17:05:41 -0400 (EDT)
From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Joel Fernandes <joelaf@google.com>
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        "Joel Fernandes (Google)" <joel@joelfernandes.org>,
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Subject: Re: [PATCH RFC v6 4/5] tracepoint: Make rcuidle tracepoint callers
 use SRCU
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----- On May 7, 2018, at 4:41 PM, Joel Fernandes joelaf@google.com wrote:
[...]
> +extern struct srcu_struct tracepoint_srcu;
> +
> extern int
> tracepoint_probe_register(struct tracepoint *tp, void *probe, void *data);
> extern int
> @@ -77,6 +80,9 @@ int unregister_tracepoint_module_notifier(struct
> notifier_block *nb)
>  */
> static inline void tracepoint_synchronize_unregister(void)
> {
> +#ifdef CONFIG_TRACEPOINTS
> +	synchronize_srcu(&tracepoint_srcu);
> +#endif
> 	synchronize_sched();

Why is this ifdef needed ?

Thanks,

Mathieu

-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com