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| author | Jan Glauber <jang@linux.vnet.ibm.com> | 2011-10-30 15:17:08 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-10-30 15:16:45 +0100 |
| commit | 6ffed94ea73c0c15e3201d4d479b6efe8343fb96 (patch) | |
| tree | 91696f021d3301fd1d76d2e26c6e9ecc7bd0d283 /drivers/s390/cio | |
| parent | 2768b2ded129ee92a8f8bf9049983c6b37ed44bf (diff) | |
| download | linux-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/cio')
| -rw-r--r-- | drivers/s390/cio/qdio.h | 8 | ||||
| -rw-r--r-- | drivers/s390/cio/qdio_main.c | 4 |
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; |