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rcu: Remove rsp parameter from rcu_do_batch() 

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_do_batch().

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 780cd59083
commit 5bb5d09cc4
2 changed files with 4 additions and 3 deletions
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5
kernel/rcu/tree.c
View File

@ -2490,12 +2490,13 @@ int rcutree_dead_cpu(unsigned int cpu)
* Invoke any RCU callbacks that have made it to the end of their grace
* period. Thottle as specified by rdp->blimit.
*/
static void rcu_do_batch(struct rcu_state *rsp, struct rcu_data *rdp)
static void rcu_do_batch(struct rcu_data *rdp)
{
unsigned long flags;
struct rcu_head *rhp;
struct rcu_cblist rcl = RCU_CBLIST_INITIALIZER(rcl);
long bl, count;
struct rcu_state *rsp = &rcu_state;
/* If no callbacks are ready, just return. */
if (!rcu_segcblist_ready_cbs(&rdp->cblist)) {
@ -2808,7 +2809,7 @@ static void invoke_rcu_callbacks(struct rcu_data *rdp)
if (unlikely(!READ_ONCE(rcu_scheduler_fully_active)))
return;
if (likely(!rsp->boost)) {
rcu_do_batch(rsp, rdp);
rcu_do_batch(rdp);
return;
}
invoke_rcu_callbacks_kthread();

2
kernel/rcu/tree_plugin.h
View File

@ -1324,7 +1324,7 @@ static int rcu_spawn_one_boost_kthread(struct rcu_state *rsp,
static void rcu_kthread_do_work(void)
{
rcu_do_batch(&rcu_state, this_cpu_ptr(&rcu_data));
rcu_do_batch(this_cpu_ptr(&rcu_data));
}
static void rcu_cpu_kthread_setup(unsigned int cpu)