| Date | Thu, 20 Jun 2024 10:24:55 +0800 | Subject | Re: [PATCH v2 38/49] KVM: x86: Initialize guest cpu_caps based on guest CPUID | From | "Yang, Weijiang" <> |
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On 5/18/2024 1:39 AM, Sean Christopherson wrote:
[...]
> > -static __always_inline void guest_cpu_cap_check_and_set(struct kvm_vcpu *vcpu, > - unsigned int x86_feature) > +static __always_inline void guest_cpu_cap_clear(struct kvm_vcpu *vcpu, > + unsigned int x86_feature) > { > - if (kvm_cpu_cap_has(x86_feature) && guest_cpuid_has(vcpu, x86_feature)) > + unsigned int x86_leaf = __feature_leaf(x86_feature); > + > + reverse_cpuid_check(x86_leaf);
Unnecessary reverse_cpuid_check() same as in previous patch.
> + vcpu->arch.cpu_caps[x86_leaf] &= ~__feature_bit(x86_feature); > +} > + > [...]
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