Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 06c2a923 authored by Steven Rostedt's avatar Steven Rostedt Committed by Paul E. McKenney
Browse files

rcu: Export RCU-tasks APIs to GPL modules 



This commit exports the RCU-tasks synchronous APIs,
synchronize_rcu_tasks() and rcu_barrier_tasks(), to
GPL-licensed kernel modules.

Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: default avatarJosh Triplett <josh@joshtriplett.org>
parent 3f95aa81

kernel/rcu/update.c

+2 −0
Original line number Diff line number Diff line
@@ -430,6 +430,7 @@ 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.
@@ -442,6 +443,7 @@ 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 the current task has stopped holding out, remove from list if so. */

static void check_holdout_task(struct task_struct *t)