Commit ba04107f authored Apr 27, 2018 by Paul E. McKenney

rcu: Move rcu_gp_in_progress() to ->gp_seq



This commit makes rcu_gp_in_progress() use ->gp_seq instead of
->completed and ->gpnum.  The READ_ONCE() invocations are buried
in rcu_seq_current().

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

parent e0da2374

kernel/rcu/tree.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -219,7 +219,7 @@ unsigned long rcu_rnp_online_cpus(struct rcu_node *rnp)
		*/
		static int rcu_gp_in_progress(struct rcu_state *rsp)
		{
		return READ_ONCE(rsp->completed) != READ_ONCE(rsp->gpnum);
		return rcu_seq_state(rcu_seq_current(&rsp->gp_seq));
		}

		/*