diff options
| author | Sheng Yang <sheng.yang@intel.com> | 2008-07-23 11:43:40 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-08-01 12:42:59 -0700 |
| commit | 5c9e0efda1c7a7a96614cffa9a5ba33f21ac7599 (patch) | |
| tree | bcea55e83c122a0c8182f6784f9fa07a0bc44833 /arch | |
| parent | b1e0349e2d6a5cb63467ea848ae4f1df095b79d0 (diff) | |
KVM: VMX: Add ept_sync_context in flush_tlb
Original-Commit-Hash: 73f785350b92e1a3af945340f7d10f3978193cba
Fix a potention issue caused by kvm_mmu_slot_remove_write_access(). The
old behavior don't sync EPT TLB with modified EPT entry, which result
in inconsistent content of EPT TLB and EPT table.
Signed-off-by: Sheng Yang <sheng.yang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index e0bb28375c8..2ce9063038c 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -88,6 +88,7 @@ static inline struct vcpu_vmx *to_vmx(struct kvm_vcpu *vcpu) } static int init_rmode(struct kvm *kvm); +static u64 construct_eptp(unsigned long root_hpa); static DEFINE_PER_CPU(struct vmcs *, vmxarea); static DEFINE_PER_CPU(struct vmcs *, current_vmcs); @@ -1389,6 +1390,8 @@ static void exit_lmode(struct kvm_vcpu *vcpu) static void vmx_flush_tlb(struct kvm_vcpu *vcpu) { vpid_sync_vcpu_all(to_vmx(vcpu)); + if (vm_need_ept()) + ept_sync_context(construct_eptp(vcpu->arch.mmu.root_hpa)); } static void vmx_decache_cr4_guest_bits(struct kvm_vcpu *vcpu) |