linux-stable/drivers/s390
Julian Wiedmann c11a3dfd6f s390/qdio: restrict buffer merging to eligible devices
Only attempt to merge PENDING into EMPTY buffers for devices where
the PENDING state is actually expected (ie. IQD with CQ).
This might speed up the hot path a little bit.

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2018-03-26 16:12:48 +02:00
..
block s390/dasd: set timestamps unconditionally 2018-02-27 08:05:29 +01:00
char s390/defkeymap: fix global init to zero 2018-03-18 23:02:02 -07:00
cio s390/qdio: restrict buffer merging to eligible devices 2018-03-26 16:12:48 +02:00
crypto treewide: Use DEVICE_ATTR_RO 2018-01-09 16:34:34 +01:00
net s390/qeth: fix SETIP command handling 2018-02-09 14:30:23 -05:00
scsi s390: add a few more SPDX identifiers 2017-12-05 07:51:09 +01:00
virtio virtio/s390: implement PM operations for virtio_ccw 2018-02-14 14:34:09 +02:00
Makefile s390: add a few more SPDX identifiers 2017-12-05 07:51:09 +01:00