KVM: s390: selftests: Test TEST PROTECTION emulation

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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/20220211182215.2730017-5-scgl@linux.ibm.com
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>

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Janis Schoetterl-Glausch 2022-02-11 19:22:09 +01:00 • committed by Christian Borntraeger

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tools/testing/selftests/kvm/.gitignore vendored

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tools/testing/selftests/kvm/Makefile

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227

tools/testing/selftests/kvm/s390x/tprot.c

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