KVM: selftests: Harden and comment XSS / KVM_SET_MSRS interaction

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Assert that KVM_SET_MSRS returns '0' or '1' when setting XSS to a
non-zero value.  The ioctl() itself should "succeed", its only the
setting of the XSS MSR that should fail/fault.

Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Sean Christopherson 2022-06-02 14:12:22 -07:00 • committed by Paolo Bonzini

parent c095cb609b

commit 0ce74180f3

1 changed files with 6 additions and 1 deletions

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

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