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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)
commit284d315bd68969c1148d0024e76082d960a65367
tree4a644cbb6fd3beb6d2d51bf450bd32a5670cdc55tree | snapshot
parent50afd997ba020a489baff5c3aef73cb90e52351fcommit | 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.