diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index e9f4f12ec3c4dba21c17cb1cf334b01c5acbca8f..7ff0ea371e3c6808e6f94a509a1bfa7d903d6ca3 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -459,6 +459,7 @@ struct kvm_x86_ops { int (*hardware_setup)(void); /* __init */ void (*hardware_unsetup)(void); /* __exit */ bool (*cpu_has_accelerated_tpr)(void); + void (*cpuid_update)(struct kvm_vcpu *vcpu); /* Create, but do not attach this VCPU */ struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned id); diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 1d9b33843c80ef521dc059697285cfed06cfd7d7..41777e6d9761ecaa4090d12865597f6595b54e68 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -2852,6 +2852,10 @@ static u64 svm_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio) return 0; } +static void svm_cpuid_update(struct kvm_vcpu *vcpu) +{ +} + static const struct trace_print_flags svm_exit_reasons_str[] = { { SVM_EXIT_READ_CR0, "read_cr0" }, { SVM_EXIT_READ_CR3, "read_cr3" }, @@ -2976,6 +2980,8 @@ static struct kvm_x86_ops svm_x86_ops = { .exit_reasons_str = svm_exit_reasons_str, .gb_page_enable = svm_gb_page_enable, + + .cpuid_update = svm_cpuid_update, }; static int __init svm_init(void) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index f8f2fdc2689493d47078376322e74be087ac8b89..75e8931e96c70efe9df24260ecf7b2695cab97d2 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3988,6 +3988,10 @@ static bool vmx_gb_page_enable(void) return false; } +static void vmx_cpuid_update(struct kvm_vcpu *vcpu) +{ +} + static struct kvm_x86_ops vmx_x86_ops = { .cpu_has_kvm_support = cpu_has_kvm_support, .disabled_by_bios = vmx_disabled_by_bios, @@ -4052,6 +4056,8 @@ static struct kvm_x86_ops vmx_x86_ops = { .exit_reasons_str = vmx_exit_reasons_str, .gb_page_enable = vmx_gb_page_enable, + + .cpuid_update = vmx_cpuid_update, }; static int __init vmx_init(void) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 4e7bbc49b7e4208501e015ffc633b1dfae10fd70..e5ac21f992f0bcf17fd17975290352b275ac9859 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1574,6 +1574,7 @@ static int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu, cpuid_fix_nx_cap(vcpu); r = 0; kvm_apic_set_version(vcpu); + kvm_x86_ops->cpuid_update(vcpu); out_free: vfree(cpuid_entries); @@ -1596,6 +1597,7 @@ static int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu, goto out; vcpu->arch.cpuid_nent = cpuid->nent; kvm_apic_set_version(vcpu); + kvm_x86_ops->cpuid_update(vcpu); return 0; out: @@ -3733,6 +3735,7 @@ struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu, } return best; } +EXPORT_SYMBOL_GPL(kvm_find_cpuid_entry); int cpuid_maxphyaddr(struct kvm_vcpu *vcpu) {