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15f0eb3d6a
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Eric Farman 15f0eb3d6a s390/cio: Update SCSW if it points to the end of the chain 
Per the POPs [1], when processing an interrupt the SCSW.CPA field of an
IRB generally points to 8 bytes after the last CCW that was executed
(there are exceptions, but this is the most common behavior).

In the case of an error, this points us to the first un-executed CCW
in the chain.  But in the case of normal I/O, the address points beyond
the end of the chain.  While the guest generally only cares about this
when possibly restarting a channel program after error recovery, we
should convert the address even in the good scenario so that we provide
a consistent, valid, response upon I/O completion.

[1] Figure 16-6 in SA22-7832-11.  The footnotes in that table also state
that this is true even if the resulting address is invalid or protected,
but moving to the end of the guest chain should not be a surprise.

Signed-off-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20190514234248.36203-2-farman@linux.ibm.com>
Reviewed-by: Farhan Ali <alifm@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2019-06-03 12:02:55 +02:00
..
accessibility treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 70 2019-05-24 17:36:47 +02:00
acpi Second round of arm64 fixes for -rc2 2019-05-24 11:03:26 -07:00
amba treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
android treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
ata treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 125 2019-05-24 17:39:03 +02:00
atm treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 37 2019-05-24 17:27:11 +02:00
auxdisplay
base More power management updates for 5.2-rc1 2019-05-15 08:46:44 -07:00
bcma
block treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 91 2019-05-24 17:37:53 +02:00
bluetooth Bluetooth: hci_qca: Rename STATE_<flags> to QCA_<flags> 2019-05-05 19:34:00 +02:00
bus ARM: SoC-related driver updates 2019-05-16 09:19:14 -07:00
cdrom treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
char treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 110 2019-05-24 17:39:01 +02:00
clk treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 21 2019-05-21 11:28:47 +02:00
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connector treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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cpufreq treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 118 2019-05-24 17:39:02 +02:00
cpuidle treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
crypto SPDX update for 5.2-rc2, round 1 2019-05-21 12:33:38 -07:00
dax treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
dca treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 33 2019-05-24 17:27:11 +02:00
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gpu SPDX update for 5.2-rc2, round 2 2019-05-24 14:31:58 -07:00
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hv
hwmon treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 118 2019-05-24 17:39:02 +02:00
hwspinlock
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i3c treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
ide treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
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iio treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 71 2019-05-24 17:36:47 +02:00
infiniband SPDX update for 5.2-rc2, round 1 2019-05-21 12:33:38 -07:00
input treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 64 2019-05-24 17:36:46 +02:00
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isdn treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 90 2019-05-24 17:37:53 +02:00
leds treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 89 2019-05-24 17:37:52 +02:00
lightnvm treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
macintosh treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 118 2019-05-24 17:39:02 +02:00
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md SPDX update for 5.2-rc2, round 2 2019-05-24 14:31:58 -07:00
media treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 122 2019-05-24 17:39:03 +02:00
memory treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
memstick treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 17 2019-05-21 11:28:46 +02:00
message treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
mfd treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
misc treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 118 2019-05-24 17:39:02 +02:00
mmc SPDX update for 5.2-rc2, round 2 2019-05-24 14:31:58 -07:00
mtd treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102 2019-05-24 17:39:00 +02:00
mux
net SPDX update for 5.2-rc2, round 2 2019-05-24 14:31:58 -07:00
nfc treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 123 2019-05-24 17:39:03 +02:00
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nvme for-linus-20190524 2019-05-24 16:02:14 -07:00
nvmem treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
of of_net: Fix missing of_find_device_by_node ref count drop 2019-05-13 08:52:37 -07:00
opp treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
oprofile
parisc treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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pci pci-v5.2-changes 2019-05-14 10:30:10 -07:00
pcmcia treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
perf First round of arm64 fixes for -rc2 2019-05-22 08:36:16 -07:00
phy treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 118 2019-05-24 17:39:02 +02:00
pinctrl treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 13 2019-05-21 11:28:45 +02:00
platform SPDX update for 5.2-rc2, round 2 2019-05-24 14:31:58 -07:00
pnp treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 118 2019-05-24 17:39:02 +02:00
power treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
powercap treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
pps treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
ps3 treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
ptp treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
pwm treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 118 2019-05-24 17:39:02 +02:00
rapidio treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 7 2019-05-21 11:28:40 +02:00
ras treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
regulator treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
remoteproc treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
reset treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
rpmsg
rtc treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 114 2019-05-24 17:39:01 +02:00
s390 s390/cio: Update SCSW if it points to the end of the chain 2019-06-03 12:02:55 +02:00
sbus treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
scsi SCSI fixes on 20190524 2019-05-24 17:30:28 -07:00
sfi treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
sh treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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slimbus
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soundwire treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
spi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 39 2019-05-24 17:27:12 +02:00
spmi treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
ssb treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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tee treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
thermal thermal: rcar_gen3_thermal: Update temperature conversion method 2019-05-23 21:58:25 -07:00
thunderbolt treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
tty RISC-V Patches for the 5.2 Merge Window, Part 1 v3 2019-05-19 09:56:36 -07:00
uio treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
usb treewide: prefix header search paths with $(srctree)/ 2019-05-18 11:49:57 +09:00
uwb treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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video treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 73 2019-05-24 17:36:47 +02:00
virt treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
virtio treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102 2019-05-24 17:39:00 +02:00
visorbus treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
vlynq treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102 2019-05-24 17:39:00 +02:00
vme treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
w1 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 94 2019-05-24 17:37:53 +02:00
watchdog treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
xen treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 81 2019-05-24 17:37:51 +02:00
zorro treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
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