selftests: KVM: Add test for KVM_{GET,SET}_CLOCK

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Add a selftest for the new KVM clock UAPI that was introduced. Ensure
that the KVM clock is consistent between userspace and the guest, and
that the difference in realtime will only ever cause the KVM clock to
advance forward.

Cc: Andrew Jones <drjones@redhat.com>
Signed-off-by: Oliver Upton <oupton@google.com>
Message-Id: <20210916181555.973085-3-oupton@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Oliver Upton 2021-09-16 18:15:48 +00:00 • committed by Paolo Bonzini

parent 5000653934

commit 61fb1c5485

4 changed files with 207 additions and 0 deletions

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1

tools/testing/selftests/kvm/.gitignore vendored

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tools/testing/selftests/kvm/Makefile

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tools/testing/selftests/kvm/include/kvm_util.h

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203

tools/testing/selftests/kvm/x86_64/kvm_clock_test.c

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