Commit 36c3cc42 authored by Jan Kiszka's avatar Jan Kiszka Committed by Gleb Natapov
Browse files

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: default avatarJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
parent d6851fbe

arch/x86/kvm/vmx.c

+4 −0
Original line number Diff line number Diff line
@@ -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);