From 0e85188049afacdfce9c026144142264981bbabb Mon Sep 17 00:00:00 2001
From: Sheng Yang <sheng@linux.intel.com>
Date: Fri, 18 Dec 2009 16:48:46 +0800
Subject: KVM: Add cpuid_update() callback to kvm_x86_ops
Sometime, we need to adjust some state in order to reflect guest CPUID
setting, e.g. if we don't expose rdtscp to guest, we won't want to enable
it on hardware. cpuid_update() is introduced for this purpose.
Also export kvm_find_cpuid_entry() for later use.
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
arch/x86/kvm/x86.c | 3 +++
1 file changed, 3 insertions(+)
(limited to 'arch/x86/kvm/x86.c')
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 4e7bbc49b7e4..e5ac21f992f0 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)
{
--
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