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| author | Junaid Shahid <junaids@google.com> | 2018-06-27 14:59:08 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-08-06 17:58:52 +0200 |
| commit | 6e42782f516f05c8030f63308f2457681b1c9919 (patch) | |
| tree | fd7a55232cc338dfd86687875a26e7a3a8c4ffc6 /arch/x86/kvm/mmu.h | |
| parent | 9fa72119b24db78d665a4034b5a0d349b0289b08 (diff) | |
| download | linux-6e42782f516f05c8030f63308f2457681b1c9919.tar.bz2 | |
kvm: x86: Introduce KVM_REQ_LOAD_CR3
The KVM_REQ_LOAD_CR3 request loads the hardware CR3 using the
current root_hpa.
Signed-off-by: Junaid Shahid <junaids@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmu.h')
| -rw-r--r-- | arch/x86/kvm/mmu.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h index 5b408c0ad612..16b7178853ac 100644 --- a/arch/x86/kvm/mmu.h +++ b/arch/x86/kvm/mmu.h @@ -85,6 +85,13 @@ static inline int kvm_mmu_reload(struct kvm_vcpu *vcpu) return kvm_mmu_load(vcpu); } +static inline void kvm_mmu_load_cr3(struct kvm_vcpu *vcpu) +{ + /* set_cr3() should ensure TLB has been flushed */ + if (VALID_PAGE(vcpu->arch.mmu.root_hpa)) + vcpu->arch.mmu.set_cr3(vcpu, vcpu->arch.mmu.root_hpa); +} + /* * Currently, we have two sorts of write-protection, a) the first one * write-protects guest page to sync the guest modification, b) another one is |