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Commit ae4636e6 authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
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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: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent e61ee14f

drivers/staging/hv/vmbus_drv.c

+12 −29
Original line number Diff line number Diff line
@@ -437,54 +437,37 @@ 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))

	if (sync_test_and_clear_bit(0, (unsigned long *) &event->flags32[0])) {

		handled = true;

		tasklet_schedule(&event_dpc);

	}



	if (handled)

		return IRQ_HANDLED;

	} else {

	else

		return IRQ_NONE;

}

}



/*

 * vmbus_bus_init -Main vmbus driver initialization routine.