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Staging: hv: vmbus: Get rid of vmbus_on_isr() by inlining the code 

Get rid of vmbus_on_isr() by inlining the code.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
K. Y. Srinivasan 2011-08-27 11:31:35 -07:00 committed by Greg Kroah-Hartman
parent e61ee14f0e
commit ae4636e6c0
1 changed files with 14 additions and 31 deletions
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45
drivers/staging/hv/vmbus_drv.c
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@ -437,53 +437,36 @@ static void vmbus_on_msg_dpc(unsigned long data)
}
}
/*
* vmbus_on_isr - ISR routine
*/
static int vmbus_on_isr(void)
static irqreturn_t vmbus_isr(int irq, void *dev_id)
{
int ret = 0;
int cpu = smp_processor_id();
void *page_addr;
struct hv_message *msg;
union hv_synic_event_flags *event;
bool handled = false;
page_addr = hv_context.synic_message_page[cpu];
msg = (struct hv_message *)page_addr + VMBUS_MESSAGE_SINT;
/* Check if there are actual msgs to be process */
if (msg->header.message_type != HVMSG_NONE)
ret |= 0x1;
if (msg->header.message_type != HVMSG_NONE) {
handled = true;
tasklet_schedule(&msg_dpc);
}
page_addr = hv_context.synic_event_page[cpu];
event = (union hv_synic_event_flags *)page_addr + VMBUS_MESSAGE_SINT;
/* Since we are a child, we only need to check bit 0 */
if (sync_test_and_clear_bit(0, (unsigned long *) &event->flags32[0]))
ret |= 0x2;
return ret;
}
static irqreturn_t vmbus_isr(int irq, void *dev_id)
{
int ret;
ret = vmbus_on_isr();
/* Schedules a dpc if necessary */
if (ret > 0) {
if (test_bit(0, (unsigned long *)&ret))
tasklet_schedule(&msg_dpc);
if (test_bit(1, (unsigned long *)&ret))
tasklet_schedule(&event_dpc);
return IRQ_HANDLED;
} else {
return IRQ_NONE;
if (sync_test_and_clear_bit(0, (unsigned long *) &event->flags32[0])) {
handled = true;
tasklet_schedule(&event_dpc);
}
if (handled)
return IRQ_HANDLED;
else
return IRQ_NONE;
}
/*