[RFC PATCH 1/8] rcu: Remove superfluous rdp fetch

[Frederic Weisbecker]

Signed-off-by: Frederic Weisbecker <frede...@kernel.org>
Cc: Paul E. McKenney <paul...@kernel.org>
Cc: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Ingo Molnar<mi...@kernel.org>
---
 kernel/rcu/tree.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 40e5e3dd253e..fef90c467670 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -643,7 +643,6 @@ static noinstr void rcu_eqs_enter(bool user)
        instrumentation_begin();
        trace_rcu_dyntick(TPS("Start"), rdp->dynticks_nesting, 0, 
atomic_read(&rdp->dynticks));
        WARN_ON_ONCE(IS_ENABLED(CONFIG_RCU_EQS_DEBUG) && !user && 
!is_idle_task(current));
-       rdp = this_cpu_ptr(&rcu_data);
        do_nocb_deferred_wakeup(rdp);
        rcu_prepare_for_idle();
        rcu_preempt_deferred_qs(current);
-- 
2.25.1