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| author | Jan Kiszka <jan.kiszka@siemens.com> | 2013-02-23 22:35:37 +0100 |
|---|---|---|
| committer | Gleb Natapov <gleb@redhat.com> | 2013-02-27 15:41:09 +0200 |
| commit | 36c3cc422b7c5d3cd84cbac769758b197e08f221 (patch) | |
| tree | cea394cbfda87279e37bc8dd1145ae147dc0f2b4 /arch/x86/kvm/vmx.c | |
| parent | d6851fbeee3f79ac2629f823e15ac2a7f6f54e0e (diff) | |
| download | lwn-36c3cc422b7c5d3cd84cbac769758b197e08f221.tar.gz lwn-36c3cc422b7c5d3cd84cbac769758b197e08f221.zip | |
KVM: nVMX: Clear segment cache after switching between L1 and L2
Switching the VMCS obviously invalidates what may have been cached about
the guest segments.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 329836af3240..3a58c1b8764e 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -7271,6 +7271,8 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch) vcpu->cpu = cpu; put_cpu(); + vmx_segment_cache_clear(vmx); + vmcs12->launch_state = 1; prepare_vmcs02(vcpu, vmcs12); @@ -7517,6 +7519,8 @@ static void nested_vmx_vmexit(struct kvm_vcpu *vcpu) vcpu->cpu = cpu; put_cpu(); + vmx_segment_cache_clear(vmx); + /* if no vmcs02 cache requested, remove the one we used */ if (VMCS02_POOL_SIZE == 0) nested_free_vmcs02(vmx, vmx->nested.current_vmptr); |