linux-stable/drivers/s390
Julian Wiedmann 8b6cccd9bd s390/qeth: don't reset default_out_queue
[ Upstream commit 240c194849 ]

When an OSA device in prio-queue setup is reduced to 1 TX queue due to
HW restrictions, we reset its the default_out_queue to 0.

In the old code this was needed so that qeth_get_priority_queue() gets
the queue selection right. But with proper multiqueue support we already
reduced dev->real_num_tx_queues to 1, and so the stack puts all traffic
on txq 0 without even calling .ndo_select_queue.

Thus we can preserve the user's configuration, and apply it if the OSA
device later re-gains support for multiple TX queues.

Fixes: 73dc2daf11 ("s390/qeth: add TX multiqueue support for OSA devices")
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-04-01 11:01:54 +02:00
..
block s390/dasd: fix data corruption for thin provisioned devices 2020-03-18 07:17:52 +01:00
char s390 updates for the 5.4 merge window 2019-09-17 14:04:43 -07:00
cio s390/qdio: fill SL with absolute addresses 2020-03-12 13:00:15 +01:00
crypto s390/zcrypt: fix card and queue total counter wrap 2020-03-05 16:43:36 +01:00
net s390/qeth: don't reset default_out_queue 2020-04-01 11:01:54 +02:00
scsi scsi: zfcp: trace channel log even for FCP command responses 2019-12-17 19:55:26 +01:00
virtio virtio/s390: fix race on airq_areas[] 2019-07-26 13:36:18 +02:00
Makefile s390: remove pointless drivers-y in drivers/s390/Makefile 2019-09-16 13:21:51 +02:00