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authorFrederic Weisbecker <frederic@kernel.org>2021-01-06 23:07:15 +0100
committerPaul E. McKenney <paulmck@kernel.org>2021-03-08 23:17:35 +0100
commitd3ad5bbc4da70c25ad6b386e038e711d0755767b (patch)
treed84b23b0392e2f51d5ea8d5f379754ec58139874 /kernel/rcu
parentLinux 5.12-rc2 (diff)
downloadlinux-d3ad5bbc4da70c25ad6b386e038e711d0755767b.tar.xz
linux-d3ad5bbc4da70c25ad6b386e038e711d0755767b.zip
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>
Diffstat (limited to 'kernel/rcu')
-rw-r--r--kernel/rcu/tree.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index da6f5213fb74..cdf091f35181 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);