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[S390] qdio: remove multicast polling 

The multicast poll check for the outbound queue is redundant since
3d6c76f "[S390] qdio: outbound tasklet scan threshold". Remove the check.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Jan Glauber 2011-10-30 15:17:08 +01:00 committed by Martin Schwidefsky
parent 2768b2ded1
commit 6ffed94ea7
2 changed files with 0 additions and 12 deletions
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8
drivers/s390/cio/qdio.h
View File

@ -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,

4
drivers/s390/cio/qdio_main.c
View File

@ -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;