KVM: x86: Introduce kvm_check_cpuid()

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Use kvm_check_cpuid() to validate if userspace provides legal cpuid
settings and call it before KVM take any action to update CPUID or
update vcpu states based on given CPUID settings.

Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Message-Id: <20200709043426.92712-2-xiaoyao.li@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Xiaoyao Li 2020-07-09 12:34:22 +08:00 • committed by Paolo Bonzini

parent 36f37648ca

commit a76733a987

2 changed files with 36 additions and 21 deletions

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55

arch/x86/kvm/cpuid.c

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2

arch/x86/kvm/cpuid.h

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