[PATCH] rcu: Remove some superfluous lines

Peter Zijlstra
2016-03-10T08:49:19Z

I think you'll find this condition is superfluous, as the whole function
is under #ifdef of that same.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
kernel/rcu/tree.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 4f7369d54de0..dd2646e56456 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -4237,9 +4237,6 @@ static void rcu_cleanup_dying_idle_cpu(int cpu, struct rcu_state *rsp)
struct rcu_data *rdp = per_cpu_ptr(rsp->rda, cpu);
struct rcu_node *rnp = rdp->mynode; /* Outgoing CPU's rdp & rnp. */

- if (!IS_ENABLED(CONFIG_HOTPLUG_CPU))
- return;
-
/* Remove outgoing CPU from mask in the leaf rcu_node structure. */
mask = rdp->grpmask;
raw_spin_lock_irqsave_rcu_node(rnp, flags); /* Enforce GP memory-order guarantee. */