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rcu: Remove rsp parameter from check_cpu_stall()

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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
check_cpu_stall().

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2018-07-03 17:22:34 -07:00
parent 4e8b8e08f9
commit ea12ff2b7d
1 changed files with 3 additions and 2 deletions
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5
kernel/rcu/tree.c
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@ -1442,7 +1442,7 @@ static void print_cpu_stall(void)
resched_cpu(smp_processor_id());
}
static void check_cpu_stall(struct rcu_state *rsp, struct rcu_data *rdp)
static void check_cpu_stall(struct rcu_data *rdp)
{
unsigned long gs1;
unsigned long gs2;
@ -1451,6 +1451,7 @@ static void check_cpu_stall(struct rcu_state *rsp, struct rcu_data *rdp)
unsigned long jn;
unsigned long js;
struct rcu_node *rnp;
struct rcu_state *rsp = &rcu_state;
if ((rcu_cpu_stall_suppress && !rcu_kick_kthreads) ||
!rcu_gp_in_progress())
@ -3094,7 +3095,7 @@ static int __rcu_pending(struct rcu_state *rsp, struct rcu_data *rdp)
struct rcu_node *rnp = rdp->mynode;
/* Check for CPU stalls, if enabled. */
check_cpu_stall(rsp, rdp);
check_cpu_stall(rdp);
/* Is this CPU a NO_HZ_FULL CPU that should ignore RCU? */
if (rcu_nohz_full_cpu(rsp))