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authorJan Glauber <jang@linux.vnet.ibm.com>2011-10-30 15:17:08 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2011-10-30 15:16:45 +0100
commit6ffed94ea73c0c15e3201d4d479b6efe8343fb96 (patch)
tree91696f021d3301fd1d76d2e26c6e9ecc7bd0d283 /drivers/s390
parent2768b2ded129ee92a8f8bf9049983c6b37ed44bf (diff)
downloadlinux-6ffed94ea73c0c15e3201d4d479b6efe8343fb96.tar.bz2
[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>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/cio/qdio.h8
-rw-r--r--drivers/s390/cio/qdio_main.c4
2 files changed, 0 insertions, 12 deletions
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index c15624b76907..498a4cd99ff8 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -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,
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 5ec5317f7903..ab9de1be77a3 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -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;