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KVM: s390: selftests: Test TEST PROTECTION emulation
authorJanis Schoetterl-Glausch <scgl@linux.ibm.com>
Fri, 11 Feb 2022 18:22:09 +0000 (19:22 +0100)
committerChristian Borntraeger <borntraeger@linux.ibm.com>
Mon, 14 Feb 2022 15:12:57 +0000 (16:12 +0100)
commit4144a1f1d7c303d60557cb105cc9781bef68cd3e
tree4a644cbb6fd3beb6d2d51bf450bd32a5670cdc55tree | snapshot
parent08fbcc0cf837bcb0a1aac911853a2e7000e20d3ecommit | diff
KVM: s390: selftests: Test TEST PROTECTION emulation

Test the emulation of TEST PROTECTION in the presence of storage keys.
Emulation only occurs under certain conditions, one of which is the host
page being protected.
Trigger this by protecting the test pages via mprotect.

Signed-off-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Link: https://lore.kernel.org/r/20220211182215.ce6bbc0-5-scgl@linux.ibm.com
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
tools/testing/selftests/kvm/.gitignore diff | blob | history
tools/testing/selftests/kvm/Makefile diff | blob | history
tools/testing/selftests/kvm/s390x/tprot.c [new file with mode: 0644] blob
Linux Kernel Source Tree.