[PATCH 0/4] kvm: cpuid: fix cpuid nent field

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This series aims to clarify the behavior of 
KVM_GET_EMULATED_CPUID and KVM_GET_SUPPORTED
ioctls, and fix a corner case where the nent field of the
struct kvm_cpuid2 is matching the amount of entries that kvm returns.

Patch 1 proposes the nent field fix to cpuid.c,
patch 2 updates the ioctl documentation accordingly and 
patches 3 and 4 provide a selftest to check KVM_GET_EMULATED_CPUID
accordingly.

Emanuele Giuseppe Esposito (4):
  kvm: cpuid: adjust the returned nent field of kvm_cpuid2 for
    KVM_GET_SUPPORTED_CPUID and KVM_GET_EMULATED_CPUID
  Documentation: kvm: update KVM_GET_EMULATED_CPUID ioctl description
  selftests: add kvm_get_emulated_cpuid
  selftests: kvm: add get_emulated_cpuid test

 Documentation/virt/kvm/api.rst                |  10 +-
 arch/x86/kvm/cpuid.c                          |   6 +
 tools/testing/selftests/kvm/.gitignore        |   1 +
 tools/testing/selftests/kvm/Makefile          |   1 +
 .../selftests/kvm/include/x86_64/processor.h  |   1 +
 .../selftests/kvm/lib/x86_64/processor.c      |  33 ++++
 .../selftests/kvm/x86_64/get_emulated_cpuid.c | 183 ++++++++++++++++++
 7 files changed, 229 insertions(+), 6 deletions(-)
 create mode 100644 tools/testing/selftests/kvm/x86_64/get_emulated_cpuid.c

-- 
2.30.2




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