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IB/ehca: Remove _irqsave, move #ifdef

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- 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>
This commit is contained in:
Joachim Fenkes 2007-05-09 13:48:20 +02:00 committed by Roland Dreier
parent c55a0ddd8e
commit c7a14939e7
1 changed files with 3 additions and 4 deletions
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7
drivers/infiniband/hw/ehca/ehca_irq.c
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@ -517,12 +517,11 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
else { else {
struct ehca_cq *cq = eq->eqe_cache[i].cq; struct ehca_cq *cq = eq->eqe_cache[i].cq;
comp_event_callback(cq); comp_event_callback(cq);
spin_lock_irqsave(&ehca_cq_idr_lock, flags); spin_lock(&ehca_cq_idr_lock);
cq->nr_events--; cq->nr_events--;
if (!cq->nr_events) if (!cq->nr_events)
wake_up(&cq->wait_completion); wake_up(&cq->wait_completion);
spin_unlock_irqrestore(&ehca_cq_idr_lock, spin_unlock(&ehca_cq_idr_lock);
flags);
} }
} else { } else {
ehca_dbg(&shca->ib_device, "Got non completion event"); 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); kthread_stop(task);
} }
#ifdef CONFIG_HOTPLUG_CPU
static void take_over_work(struct ehca_comp_pool *pool, static void take_over_work(struct ehca_comp_pool *pool,
int cpu) 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, static int comp_pool_callback(struct notifier_block *nfb,
unsigned long action, unsigned long action,
void *hcpu) void *hcpu)