Commit 21f2d551 authored by Ladi Prosek's avatar Ladi Prosek Committed by Paolo Bonzini
Browse files

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: default avatarLadi Prosek <lprosek@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 72d7b374

arch/x86/kvm/vmx.c

+2 −0
Original line number Diff line number Diff line
@@ -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)