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Subject[PATCH 1/5] rcu: Remove rcu_is_nocb_cpu()
Date
It's an unused leftover that can now be removed.

Reported-by: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Cc: Uladzislau Rezki <uladzislau.rezki@sony.com>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
---
kernel/rcu/rcu.h | 2 --
kernel/rcu/tree_nocb.h | 8 --------
2 files changed, 10 deletions(-)

diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h
index 819f9d979e61..44efedd921d0 100644
--- a/kernel/rcu/rcu.h
+++ b/kernel/rcu/rcu.h
@@ -549,10 +549,8 @@ void rcu_gp_slow_unregister(atomic_t *rgssp);
#endif /* #else #ifdef CONFIG_TINY_RCU */

#ifdef CONFIG_RCU_NOCB_CPU
-bool rcu_is_nocb_cpu(int cpu);
void rcu_bind_current_to_nocb(void);
#else
-static inline bool rcu_is_nocb_cpu(int cpu) { return false; }
static inline void rcu_bind_current_to_nocb(void) { }
#endif

diff --git a/kernel/rcu/tree_nocb.h b/kernel/rcu/tree_nocb.h
index 636d0546a4e9..02e1d05a11fc 100644
--- a/kernel/rcu/tree_nocb.h
+++ b/kernel/rcu/tree_nocb.h
@@ -215,14 +215,6 @@ static void rcu_init_one_nocb(struct rcu_node *rnp)
init_swait_queue_head(&rnp->nocb_gp_wq[1]);
}

-/* Is the specified CPU a no-CBs CPU? */
-bool rcu_is_nocb_cpu(int cpu)
-{
- if (cpumask_available(rcu_nocb_mask))
- return cpumask_test_cpu(cpu, rcu_nocb_mask);
- return false;
-}
-
static bool __wake_nocb_gp(struct rcu_data *rdp_gp,
struct rcu_data *rdp,
bool force, unsigned long flags)
--
2.25.1
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