linux/drivers/s390
Jan Glauber 50f769df1c [S390] qdio: improve inbound buffer acknowledgement
- Use automatic acknowledgement of incoming buffers in QEBSM mode
- Move ACK for non-QEBSM mode always to the newest buffer to prevent
  a race with qdio_stop_polling
- Remove the polling spinlock, the upper layer drivers return new buffers
  in the same code path and could not run in parallel
- Don't flood the error log in case of no-target-buffer-empty
- In handle_inbound we check if we would overwrite an ACK'ed buffer, if so
  advance the pointer to the oldest ACK'ed buffer so we don't overwrite an
  empty buffer in qdio_stop_polling

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-12-25 13:38:59 +01:00
..
block [S390] dasd: log sense for fatal errors 2008-11-14 18:18:54 +01:00
char [S390] vmcp: remove BKL 2008-12-25 13:38:54 +01:00
cio [S390] qdio: improve inbound buffer acknowledgement 2008-12-25 13:38:59 +01:00
crypto [S390] ap: Minor code beautification. 2008-12-25 13:38:57 +01:00
kvm [S390] kvm_s390: Fix oops in virtio device detection with "mem=" 2008-11-14 18:18:52 +01:00
net [S390] qdio: fix qeth port count detection 2008-12-25 13:38:58 +01:00
scsi [SCSI] zfcp: prevent double decrement on host_busy while being busy 2008-12-01 10:18:20 -06:00
ebcdic.c
Makefile s390: KVM guest: virtio device support, and kvm hypercalls 2008-04-27 12:00:51 +03:00
s390_rdev.c [S390] bus_id -> dev_set_name() changes 2008-10-10 21:33:50 +02:00
s390mach.c [S390] stp support. 2008-07-14 10:02:09 +02:00
s390mach.h [S390] stp support. 2008-07-14 10:02:09 +02:00
sysinfo.c [S390] Add new fields for System z10 to /proc/sysinfo 2008-04-17 07:47:01 +02:00