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Date: Thu, 21 Jan 2021 15:25:42 +0100 From: Paolo Bonzini <pbonzini@...hat.com> To: Wei Huang <wei.huang2@....com>, kvm@...r.kernel.org Cc: linux-kernel@...r.kernel.org, vkuznets@...hat.com, mlevitsk@...hat.com, seanjc@...gle.com, joro@...tes.org, bp@...en8.de, tglx@...utronix.de, mingo@...hat.com, x86@...nel.org, jmattson@...gle.com, wanpengli@...cent.com, bsd@...hat.com, dgilbert@...hat.com, luto@...capital.net Subject: Re: [PATCH v2 4/4] KVM: SVM: Support #GP handling for the case of nested on nested On 21/01/21 07:55, Wei Huang wrote: > + if (nested && guest_cpuid_has(vcpu, X86_FEATURE_SVM)) { > + best = kvm_find_cpuid_entry(vcpu, 0x8000000A, 0); > + best->edx |= (1 << 28); > + } > + Instead of this, please use kvm_cpu_cap_set in svm_set_cpu_caps's "if (nested)". Paolo
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