rcu: Remove fastpath from __rcu_process_callbacks()

[pandora-kernel.git] / kernel / rcu / tiny.c

diff --git a/kernel/rcu/tiny.c b/kernel/rcu/tiny.c
index cc9ceca..069742d 100644 (file)
--- 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));