On Mon, Aug 11, 2014 at 6:48 PM, Paul E. McKenney
<[email protected]> wrote:
> From: Steven Rostedt <[email protected]>
>
> This commit exports the RCU-tasks APIs, call_rcu_tasks(),
> synchronize_rcu_tasks(), and rcu_barrier_tasks(), to GPL-licensed
> kernel modules.

Only two of these are being exported in this patch. Patch 1 is adding
the export for call_rcu_tasks().


>
> Signed-off-by: Steven Rostedt <[email protected]>
> Signed-off-by: Paul E. McKenney <[email protected]>
> Reviewed-by: Josh Triplett <[email protected]>
> ---
>  kernel/rcu/update.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c
> index 4cece6e886ee..8f53a41dd9ee 100644
> --- a/kernel/rcu/update.c
> +++ b/kernel/rcu/update.c
> @@ -433,6 +433,7 @@ void synchronize_rcu_tasks(void)
>         /* Wait for the grace period. */
>         wait_rcu_gp(call_rcu_tasks);
>  }
> +EXPORT_SYMBOL_GPL(synchronize_rcu_tasks);
>
>  /**
>   * rcu_barrier_tasks - Wait for in-flight call_rcu_tasks() callbacks.
> @@ -445,6 +446,7 @@ void rcu_barrier_tasks(void)
>         /* There is only one callback queue, so this is easy.  ;-) */
>         synchronize_rcu_tasks();
>  }
> +EXPORT_SYMBOL_GPL(rcu_barrier_tasks);
>
>  /* See if tasks are still holding out, complain if so. */
>  static void check_holdout_task(struct task_struct *t)
> --
> 1.8.1.5
>



-- 
Pranith
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