IB/ehca: Remove _irqsave, move #ifdef

- In ehca_process_eq(), we're IRQ safe throughout the whole function, so we
  don't need another _irqsave in the middle of flight.

- take_over_work() is only called by comp_pool_callback(), so it can move
  into the same #ifdef block.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index 82dda2faf4d0..100329ba3343 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -517,12 +517,11 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
                         else {
                                 struct ehca_cq *cq = eq->eqe_cache[i].cq;
                                 comp_event_callback(cq);
-                                spin_lock_irqsave(&ehca_cq_idr_lock, flags);
+                                spin_lock(&ehca_cq_idr_lock);
                                 cq->nr_events--;
                                 if (!cq->nr_events)
                                         wake_up(&cq->wait_completion);
-                                spin_unlock_irqrestore(&ehca_cq_idr_lock,
-                                                       flags);
+                                spin_unlock(&ehca_cq_idr_lock);
                         }
                 } else {
                         ehca_dbg(&shca->ib_device, "Got non completion event");
@@ -711,6 +710,7 @@ static void destroy_comp_task(struct ehca_comp_pool *pool,
                 kthread_stop(task);
 }
 
+#ifdef CONFIG_HOTPLUG_CPU
 static void take_over_work(struct ehca_comp_pool *pool,
                            int cpu)
 {
@@ -735,7 +735,6 @@ static void take_over_work(struct ehca_comp_pool *pool,
 
 }
 
-#ifdef CONFIG_HOTPLUG_CPU
 static int comp_pool_callback(struct notifier_block *nfb,
                               unsigned long action,
                               void *hcpu)