Re: [PATCH net 1/5] ibmvnic: harden interrupt handler
From: Stephen Hemminger <stephen@networkplumber.org>
Date: 2017-01-26 18:28:12
Also in:
linuxppc-dev
On Wed, 25 Jan 2017 15:02:19 -0600 Thomas Falcon [off-list ref] wrote:
static irqreturn_t ibmvnic_interrupt(int irq, void *instance)
{
struct ibmvnic_adapter *adapter = instance;
+ unsigned long flags;
+
+ spin_lock_irqsave(&adapter->crq.lock, flags);
+ vio_disable_interrupts(adapter->vdev);
+ tasklet_schedule(&adapter->tasklet);
+ spin_unlock_irqrestore(&adapter->crq.lock, flags);
+ return IRQ_HANDLED;
+}
+Why not use NAPI? rather than a tasklet