diff options
| author | Marcelo Tosatti <mtosatti@redhat.com> | 2009-10-26 16:48:33 -0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-12-03 09:32:22 +0200 |
| commit | 7c93be44a4790b0fd9dddf29c5503cf86c105304 (patch) | |
| tree | 1c7b1d315b9e186b286843c30c54ca8c70f168c0 /arch/x86/kvm/vmx.c | |
| parent | 1655e3a3dc16e21b60d9950e201b38a9894f1bcf (diff) | |
KVM: VMX: move CR3/PDPTR update to vmx_set_cr3
GUEST_CR3 is updated via kvm_set_cr3 whenever CR3 is modified from
outside guest context. Similarly pdptrs are updated via load_pdptrs.
Let kvm_set_cr3 perform the update, removing it from the vcpu_run
fast path.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Acked-by: Acked-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index bf46253149c..a5f3f3ec69e 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1737,6 +1737,7 @@ static void vmx_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3) vmcs_write64(EPT_POINTER, eptp); guest_cr3 = is_paging(vcpu) ? vcpu->arch.cr3 : vcpu->kvm->arch.ept_identity_map_addr; + ept_load_pdptrs(vcpu); } vmx_flush_tlb(vcpu); @@ -3625,10 +3626,6 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu) { struct vcpu_vmx *vmx = to_vmx(vcpu); - if (enable_ept && is_paging(vcpu)) { - vmcs_writel(GUEST_CR3, vcpu->arch.cr3); - ept_load_pdptrs(vcpu); - } /* Record the guest's net vcpu time for enforced NMI injections. */ if (unlikely(!cpu_has_virtual_nmis() && vmx->soft_vnmi_blocked)) vmx->entry_time = ktime_get(); |