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kvm: vmx: Support INVPCID in shadow paging mode

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Implement support for INVPCID in shadow paging mode as well.

Signed-off-by: Junaid Shahid <junaids@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Junaid Shahid
2018-06-27 14:59:14 -07:00
committed by Paolo Bonzini
parent c9470a2e28
commit eb4b248e15
3 changed files with 112 additions and 3 deletions
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18
arch/x86/kvm/mmu.c
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@@ -5187,6 +5187,24 @@ void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva)
}
EXPORT_SYMBOL_GPL(kvm_mmu_invlpg);
void kvm_mmu_invpcid_gva(struct kvm_vcpu *vcpu, gva_t gva, unsigned long pcid)
{
struct kvm_mmu *mmu = &vcpu->arch.mmu;
if (pcid == kvm_get_active_pcid(vcpu)) {
mmu->invlpg(vcpu, gva);
kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
}
++vcpu->stat.invlpg;
/*
* Mappings not reachable via the current cr3 will be synced when
* switching to that cr3, so nothing needs to be done here for them.
*/
}
EXPORT_SYMBOL_GPL(kvm_mmu_invpcid_gva);
void kvm_enable_tdp(void)
{
tdp_enabled = true;