KVM: selftests: Extend cpuid_test to verify KVM_GET_CPUID2 "nent" updates

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Verify that KVM reports the actual number of CPUID entries on success, but
doesn't touch the userspace struct on failure (which for better or worse,
is KVM's ABI).

Link: https://lore.kernel.org/r/20230526210340.2799158-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

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Sean Christopherson 2023-05-26 14:03:40 -07:00

parent ab322c43cc

commit 2c76131319

1 changed files with 21 additions and 0 deletions

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

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