rcu: Remove rsp parameter from rcu_stall_kick_kthreads()

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
rcu_stall_kick_kthreads().

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

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 3e252b8..20466fe 100644 (file)
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -1290,9 +1290,10 @@ static void rcu_dump_cpu_stacks(void)
  * If too much time has passed in the current grace period, and if
  * so configured, go kick the relevant kthreads.
  */
-static void rcu_stall_kick_kthreads(struct rcu_state *rsp)
+static void rcu_stall_kick_kthreads(void)
 {
        unsigned long j;
+       struct rcu_state *rsp = &rcu_state;
 
        if (!rcu_kick_kthreads)
                return;
@@ -1323,7 +1324,7 @@ static void print_other_cpu_stall(struct rcu_state *rsp, unsigned long gp_seq)
        long totqlen = 0;
 
        /* Kick and suppress, if so configured. */
-       rcu_stall_kick_kthreads(rsp);
+       rcu_stall_kick_kthreads();
        if (rcu_cpu_stall_suppress)
                return;
 
@@ -1394,7 +1395,7 @@ static void print_cpu_stall(struct rcu_state *rsp)
        long totqlen = 0;
 
        /* Kick and suppress, if so configured. */
-       rcu_stall_kick_kthreads(rsp);
+       rcu_stall_kick_kthreads();
        if (rcu_cpu_stall_suppress)
                return;
 
@@ -1452,7 +1453,7 @@ static void check_cpu_stall(struct rcu_state *rsp, struct rcu_data *rdp)
        if ((rcu_cpu_stall_suppress && !rcu_kick_kthreads) ||
            !rcu_gp_in_progress())
                return;
-       rcu_stall_kick_kthreads(rsp);
+       rcu_stall_kick_kthreads();
        j = jiffies;
 
        /*