WSL2-Linux-Kernel/drivers
Harald Freudenberger 7379e65279 s390/zcrypt: Fix wrong dispatching for control domain CPRBs
The zcrypt device driver does not handle CPRBs which address
a control domain correctly. This fix introduces a workaround:
The domain field of the request CPRB is checked if there is
a valid domain value in there. If this is true and the value
is a control only domain (a domain which is enabled in the
crypto config ADM mask but disabled in the AQM mask) the
CPRB is forwarded to the default usage domain. If there is
no default domain, the request is rejected with an ENODEV.

This fix is important for maintaining crypto adapters. For
example one LPAR can use a crypto adapter domain ('Control
and Usage') but another LPAR needs to be able to maintain
this adapter domain ('Control'). Scenarios like this did
not work properly and the patch enables this.

Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-05-28 14:49:38 +02:00
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accessibility treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 70 2019-05-24 17:36:47 +02:00
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of of_net: Fix missing of_find_device_by_node ref count drop 2019-05-13 08:52:37 -07:00
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perf First round of arm64 fixes for -rc2 2019-05-22 08:36:16 -07:00
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s390 s390/zcrypt: Fix wrong dispatching for control domain CPRBs 2019-05-28 14:49:38 +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
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tty RISC-V Patches for the 5.2 Merge Window, Part 1 v3 2019-05-19 09:56:36 -07:00
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