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-rw-r--r--kernel/rcu/tiny.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/kernel/rcu/tiny.c b/kernel/rcu/tiny.c
index cc9ceca7bde1..069742d61c68 100644
--- a/kernel/rcu/tiny.c
+++ b/kernel/rcu/tiny.c
@@ -103,8 +103,7 @@ EXPORT_SYMBOL(__rcu_is_watching);
static int rcu_qsctr_help(struct rcu_ctrlblk *rcp)
{
RCU_TRACE(reset_cpu_stall_ticks(rcp));
- if (rcp->rcucblist != NULL &&
- rcp->donetail != rcp->curtail) {
+ if (rcp->donetail != rcp->curtail) {
rcp->donetail = rcp->curtail;
return 1;
}
@@ -169,17 +168,6 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp)
unsigned long flags;
RCU_TRACE(int cb_count = 0);
- /* If no RCU callbacks ready to invoke, just return. */
- if (&rcp->rcucblist == rcp->donetail) {
- RCU_TRACE(trace_rcu_batch_start(rcp->name, 0, 0, -1));
- RCU_TRACE(trace_rcu_batch_end(rcp->name, 0,
- !!ACCESS_ONCE(rcp->rcucblist),
- need_resched(),
- is_idle_task(current),
- false));
- return;
- }
-
/* Move the ready-to-invoke callbacks to a local list. */
local_irq_save(flags);
RCU_TRACE(trace_rcu_batch_start(rcp->name, 0, rcp->qlen, -1));