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rcu: Remove rsp parameter from print_cpu_stall() 

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
print_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 a91e7e58b1
commit 4e8b8e08f9
1 changed files with 3 additions and 2 deletions
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5
kernel/rcu/tree.c
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@ -1387,12 +1387,13 @@ static void print_other_cpu_stall(unsigned long gp_seq)
force_quiescent_state(rsp); /* Kick them all. */ force_quiescent_state(rsp); /* Kick them all. */
} }
static void print_cpu_stall(struct rcu_state *rsp) static void print_cpu_stall(void)
{ {
int cpu; int cpu;
unsigned long flags; unsigned long flags;
struct rcu_data *rdp = this_cpu_ptr(&rcu_data); struct rcu_data *rdp = this_cpu_ptr(&rcu_data);
struct rcu_node *rnp = rcu_get_root(); struct rcu_node *rnp = rcu_get_root();
struct rcu_state *rsp = &rcu_state;
long totqlen = 0; long totqlen = 0;
/* Kick and suppress, if so configured. */ /* Kick and suppress, if so configured. */
@ -1492,7 +1493,7 @@ static void check_cpu_stall(struct rcu_state *rsp, struct rcu_data *rdp)
cmpxchg(&rsp->jiffies_stall, js, jn) == js) { cmpxchg(&rsp->jiffies_stall, js, jn) == js) {
/* We haven't checked in, so go dump stack. */ /* We haven't checked in, so go dump stack. */
print_cpu_stall(rsp); print_cpu_stall();
} else if (rcu_gp_in_progress() && } else if (rcu_gp_in_progress() &&
ULONG_CMP_GE(j, js + RCU_STALL_RAT_DELAY) && ULONG_CMP_GE(j, js + RCU_STALL_RAT_DELAY) &&