Commit ad3832e9 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcu: Remove rsp parameter from record_gp_stall_check_time() 



There now is only one rcu_state structure in a given build of the
Linux kernel, so there is no need to pass it as a parameter to RCU's
functions.  This commit therefore removes the rsp parameter from
record_gp_stall_check_time().

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent 336a4f6c

kernel/rcu/tree.c

+6 −6
Original line number Diff line number Diff line
@@ -1214,17 +1214,17 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp) 
	return 0;

}



static void record_gp_stall_check_time(struct rcu_state *rsp)

static void record_gp_stall_check_time(void)

{

	unsigned long j = jiffies;

	unsigned long j1;



	rsp->gp_start = j;

	rcu_state.gp_start = j;

	j1 = rcu_jiffies_till_stall_check();

	/* Record ->gp_start before ->jiffies_stall. */

	smp_store_release(&rsp->jiffies_stall, j + j1); /* ^^^ */

	rsp->jiffies_resched = j + j1 / 2;

	rsp->n_force_qs_gpstart = READ_ONCE(rsp->n_force_qs);

	smp_store_release(&rcu_state.jiffies_stall, j + j1); /* ^^^ */

	rcu_state.jiffies_resched = j + j1 / 2;

	rcu_state.n_force_qs_gpstart = READ_ONCE(rcu_state.n_force_qs);

}



/*
@@ -1856,7 +1856,7 @@ static bool rcu_gp_init(struct rcu_state *rsp) 
	}



	/* Advance to a new grace period and initialize state. */

	record_gp_stall_check_time(rsp);

	record_gp_stall_check_time();

	/* Record GP times before starting GP, hence rcu_seq_start(). */

	rcu_seq_start(&rsp->gp_seq);

	trace_rcu_grace_period(rsp->name, rsp->gp_seq, TPS("start"));