Commit 654b578e authored by Valentin Schneider's avatar Valentin Schneider Committed by Neeraj Upadhyay
Browse files

rcu: Rename rcu_dynticks_eqs_online() into rcu_watching_online() 



The context_tracking.state RCU_DYNTICKS subvariable has been renamed to
RCU_WATCHING, reflect that change in the related helpers.

Signed-off-by: default avatarValentin Schneider <vschneid@redhat.com>
Reviewed-by: default avatarFrederic Weisbecker <frederic@kernel.org>
Signed-off-by: default avatarNeeraj Upadhyay <neeraj.upadhyay@kernel.org>
parent fda70207

kernel/rcu/tree.c

+4 −4
Original line number Diff line number Diff line
@@ -283,16 +283,16 @@ void rcu_softirq_qs(void) 
}



/*

 * Reset the current CPU's ->dynticks counter to indicate that the

 * Reset the current CPU's RCU_WATCHING counter to indicate that the

 * newly onlined CPU is no longer in an extended quiescent state.

 * This will either leave the counter unchanged, or increment it

 * to the next non-quiescent value.

 *

 * The non-atomic test/increment sequence works because the upper bits

 * of the ->dynticks counter are manipulated only by the corresponding CPU,

 * of the ->state variable are manipulated only by the corresponding CPU,

 * or when the corresponding CPU is offline.

 */

static void rcu_dynticks_eqs_online(void)

static void rcu_watching_online(void)

{

	if (ct_rcu_watching() & CT_RCU_WATCHING)

		return;
@@ -5058,7 +5058,7 @@ void rcutree_report_cpu_starting(unsigned int cpu) 
	rnp = rdp->mynode;

	mask = rdp->grpmask;

	arch_spin_lock(&rcu_state.ofl_lock);

	rcu_dynticks_eqs_online();

	rcu_watching_online();

	raw_spin_lock(&rcu_state.barrier_lock);

	raw_spin_lock_rcu_node(rnp);

	WRITE_ONCE(rnp->qsmaskinitnext, rnp->qsmaskinitnext | mask);