Signed-off-by: Robert Hoo <robert.hu@xxxxxxxxxxxxxxx>
---
arch/x86/kvm/cpuid.c | 45 ---------------------------------------------
arch/x86/kvm/cpuid.h | 1 -
2 files changed, 46 deletions(-)
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 1d206aa..d7f5a6d 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -172,49 +172,6 @@ static void kvm_update_lapic_timer_mode(struct kvm_vcpu *vcpu)
}
}
-void kvm_update_cpuid_runtime(struct kvm_vcpu *vcpu)
-{
- struct kvm_cpuid_entry2 *best;
-
- best = kvm_find_cpuid_entry(vcpu, 1, 0);
- if (best) {
- /* Update OSXSAVE bit */
- if (boot_cpu_has(X86_FEATURE_XSAVE))
- cpuid_entry_change(best, X86_FEATURE_OSXSAVE,
- kvm_read_cr4_bits(vcpu, X86_CR4_OSXSAVE));
-
- cpuid_entry_change(best, X86_FEATURE_APIC,
- vcpu->arch.apic_base & MSR_IA32_APICBASE_ENABLE);
- }
-
- best = kvm_find_cpuid_entry(vcpu, 7, 0);
- if (best && boot_cpu_has(X86_FEATURE_PKU) && best->function == 0x7)
- cpuid_entry_change(best, X86_FEATURE_OSPKE,
- kvm_read_cr4_bits(vcpu, X86_CR4_PKE));
-
- best = kvm_find_cpuid_entry(vcpu, 0xD, 0);
- if (best)
- best->ebx = xstate_required_size(vcpu->arch.xcr0, false);
-
- best = kvm_find_cpuid_entry(vcpu, 0xD, 1);
- if (best && (cpuid_entry_has(best, X86_FEATURE_XSAVES) ||
- cpuid_entry_has(best, X86_FEATURE_XSAVEC)))
- best->ebx = xstate_required_size(vcpu->arch.xcr0, true);
-
- best = kvm_find_cpuid_entry(vcpu, KVM_CPUID_FEATURES, 0);
- if (kvm_hlt_in_guest(vcpu->kvm) && best &&
- (best->eax & (1 << KVM_FEATURE_PV_UNHALT)))
- best->eax &= ~(1 << KVM_FEATURE_PV_UNHALT);
-
- if (!kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT)) {
- best = kvm_find_cpuid_entry(vcpu, 0x1, 0);
- if (best)
- cpuid_entry_change(best, X86_FEATURE_MWAIT,
- vcpu->arch.ia32_misc_enable_msr &
- MSR_IA32_MISC_ENABLE_MWAIT);
- }
-}
-
static void kvm_vcpu_after_set_cpuid(struct kvm_vcpu *vcpu)
{
kvm_x86_ops.vcpu_after_set_cpuid(vcpu);
@@ -314,7 +271,6 @@ int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu,
}
cpuid_fix_nx_cap(vcpu);
- kvm_update_cpuid_runtime(vcpu);
kvm_vcpu_after_set_cpuid(vcpu);
kvfree(cpuid_entries);
@@ -342,7 +298,6 @@ int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu,
goto out;
}
- kvm_update_cpuid_runtime(vcpu);
kvm_vcpu_after_set_cpuid(vcpu);
out:
return r;
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
index 7eabb44..7ef46bc 100644
--- a/arch/x86/kvm/cpuid.h
+++ b/arch/x86/kvm/cpuid.h
@@ -15,7 +15,6 @@
void kvm_mwait_update_cpuid(struct kvm_vcpu *vcpu, bool set);
void kvm_xcr0_update_cpuid(struct kvm_vcpu *vcpu);
-void kvm_update_cpuid_runtime(struct kvm_vcpu *vcpu);
struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu,
u32 function, u32 index);
int kvm_dev_ioctl_get_cpuid(struct kvm_cpuid2 *cpuid,
--
1.8.3.1
