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Commit 6ffed94e authored by Jan Glauber's avatar Jan Glauber Committed by Martin Schwidefsky
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[S390] qdio: remove multicast polling 



The multicast poll check for the outbound queue is redundant since
3d6c76ff "[S390] qdio: outbound tasklet scan threshold". Remove the check.

Signed-off-by: default avatarJan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 2768b2de

drivers/s390/cio/qdio.h

+0 −8
Original line number Diff line number Diff line
@@ -18,14 +18,6 @@ 
#define QDIO_BUSY_BIT_RETRIES		1000		/* = 10s retry time */

#define QDIO_INPUT_THRESHOLD		(500 << 12)	/* 500 microseconds */



/*

 * if an asynchronous HiperSockets queue runs full, the 10 seconds timer wait

 * till next initiative to give transmitted skbs back to the stack is too long.

 * Therefore polling is started in case of multicast queue is filled more

 * than 50 percent.

 */

#define QDIO_IQDIO_POLL_LVL		65	/* HS multicast queue */



enum qdio_irq_states {

	QDIO_IRQ_STATE_INACTIVE,

	QDIO_IRQ_STATE_ESTABLISHED,

drivers/s390/cio/qdio_main.c

+0 −4
Original line number Diff line number Diff line
@@ -921,10 +921,6 @@ static void __qdio_outbound_processing(struct qdio_q *q) 
		if (!pci_out_supported(q) && !qdio_outbound_q_done(q))

			goto sched;



	if ((queue_type(q) == QDIO_IQDIO_QFMT) &&

	    (atomic_read(&q->nr_buf_used)) > QDIO_IQDIO_POLL_LVL)

		goto sched;



	if (q->u.out.pci_out_enabled)

		return;