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| author | Ladi Prosek <lprosek@redhat.com> | 2017-10-11 17:54:42 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-10-12 15:01:55 +0300 |
| commit | 21f2d551183847bc7fbe8d866151d00cdad18752 (patch) | |
| tree | 4a0a7c4839bcdac499502c383abb875e478f42b9 /arch/x86/kvm | |
| parent | 72d7b374b14d67e973bce476e4a75552478cc42d (diff) | |
| download | linux-21f2d551183847bc7fbe8d866151d00cdad18752.tar.xz | |
KVM: nVMX: set IDTR and GDTR limits when loading L1 host state
Intel SDM 27.5.2 Loading Host Segment and Descriptor-Table Registers:
"The GDTR and IDTR limits are each set to FFFFH."
Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 156ecbaad1e6..6f4e29b343a8 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -11303,6 +11303,8 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu, vmcs_writel(GUEST_SYSENTER_EIP, vmcs12->host_ia32_sysenter_eip); vmcs_writel(GUEST_IDTR_BASE, vmcs12->host_idtr_base); vmcs_writel(GUEST_GDTR_BASE, vmcs12->host_gdtr_base); + vmcs_write32(GUEST_IDTR_LIMIT, 0xFFFF); + vmcs_write32(GUEST_GDTR_LIMIT, 0xFFFF); /* If not VM_EXIT_CLEAR_BNDCFGS, the L2 value propagates to L1. */ if (vmcs12->vm_exit_controls & VM_EXIT_CLEAR_BNDCFGS) |