From: "tip-bot2 for Frederic Weisbecker" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@kernel.org>,
Frederic Weisbecker <frederic@kernel.org>,
"Paul E. McKenney" <paulmck@kernel.org>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: [tip: core/rcu] rcu: Remove superfluous rdp fetch
Date: Sun, 11 Apr 2021 13:43:43 -0000 [thread overview]
Message-ID: <161814862300.29796.10245179127236295536.tip-bot2@tip-bot2> (raw)
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 <frederic@kernel.org>
AuthorDate: Wed, 06 Jan 2021 23:07:15 +01:00
Committer: Paul E. McKenney <paulmck@kernel.org>
CommitterDate: Mon, 08 Mar 2021 14:17:35 -08:00
rcu: Remove superfluous rdp fetch
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar<mingo@kernel.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@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);
reply other threads:[~2021-04-11 13:48 UTC|newest]
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