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ba4ba8a69d
linux_dsm_epyc7002/drivers/s390/cio
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Peter Oberparleiter ba4ba8a69d [S390] permanent subchannel busy conditions may cause I/O stall 
In special conditions where a subchannel rejects the HALT I/O-
instruction with a busy indication (cc 2), I/O may stall.
I/O request termination logic retries HALT I/O indefinitely
because it expects HALT I/O to alter the subchannel status which
is not true when cc 2 is returned.
In case of a busy indication, try CLEAR I/O instruction immediately.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2006-07-27 14:00:23 +02:00
..
airq.c [PATCH] s390: Remove CVS generated information 2006-02-01 08:53:23 -08:00
airq.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
blacklist.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
blacklist.h [PATCH] s390: multiple subchannel sets support 2006-01-06 08:33:52 -08:00
ccwgroup.c [S390] Fix sparse warnings. 2006-07-12 16:41:55 +02:00
chsc.c [S390] path grouping and path verifications fixes. 2006-07-12 16:40:19 +02:00
chsc.h [PATCH] s390: channel path measurements 2006-03-24 07:33:16 -08:00
cio_debug.h [PATCH] s390: increase cio_trace debug event size 2006-04-11 06:18:37 -07:00
cio.c [S390] Fix sparse warnings. 2006-07-12 16:41:55 +02:00
cio.h [S390] subchannel register/unregister mutex. 2006-07-12 16:39:50 +02:00
cmf.c [S390] channel measurement interval display. 2006-07-17 16:09:28 +02:00
css.c [S390] path grouping and path verifications fixes. 2006-07-12 16:40:19 +02:00
css.h [S390] path grouping and path verifications fixes. 2006-07-12 16:40:19 +02:00
device_fsm.c [S390] permanent subchannel busy conditions may cause I/O stall 2006-07-27 14:00:23 +02:00
device_id.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
device_ops.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
device_pgid.c [S390] path grouping and path verifications fixes. 2006-07-12 16:40:19 +02:00
device_status.c [S390] path grouping and path verifications fixes. 2006-07-12 16:40:19 +02:00
device.c [S390] Fix sparse warnings. 2006-07-12 16:41:55 +02:00
device.h [S390] rework of channel measurement facility. 2006-06-29 15:08:41 +02:00
ioasm.h [PATCH] s390: cleanup Kconfig 2006-01-06 08:33:53 -08:00
Makefile Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
qdio.c [S390] Fix sparse warnings. 2006-07-12 16:41:55 +02:00
qdio.h [PATCH] s390: Remove CVS generated information 2006-02-01 08:53:23 -08:00
schid.h [PATCH] s390: multiple subchannel sets support 2006-01-06 08:33:52 -08:00