The following commit has been merged into the core/rcu branch of tip:
Commit-ID: d3ad5bbc4da70c25ad6b386e038e711d0755767b
Gitweb:
https://git.kernel.org/tip/d3ad5bbc4da70c25ad6b386e038e711d0755767b
Author: Frederic Weisbecker <frede...@kernel.org>
AuthorDate: Wed, 06 Jan 2021 23:07:15 +01:00
Committer: Paul E. McKenney <paul...@kernel.org>
CommitterDate: Mon, 08 Mar 2021 14:17:35 -08:00
rcu: Remove superfluous rdp fetch
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>
Signed-off-by: Frederic Weisbecker <frede...@kernel.org>
Signed-off-by: Paul E. McKenney <paul...@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 da6f521..cdf091f 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -648,7 +648,6 @@ 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);
rcu_prepare_for_idle();
rcu_preempt_deferred_qs(current);
