Re: [PATCH v4 1/9] module: Sanitize RCU usage and locking

[Lai Jiangshan]

On 04/09/2015 12:48 AM, Peter Zijlstra wrote:

> +static void module_assert_mutex_or_preempt(void)
> +{
> +#ifdef CONFIG_LOCKDEP
> +	int rcu_held = rcu_read_lock_sched_held();
> +	int mutex_held = 1;
> +
> +	if (debug_locks)
> +		mutex_held = lockdep_is_held(&module_mutex);
> +
> +	WARN_ON(!rcu_held && !mutex_held);
> +#endif
> +}

Is rcu_lockdep_assert() suitable for it?
(note rcu_lockdep_assert() only works when CONFIG_PROVE_RCU)

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/