diff options
| -rw-r--r-- | arch/loongarch/kvm/vcpu.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/loongarch/kvm/vcpu.c b/arch/loongarch/kvm/vcpu.c index 5af32ec62cb1..ca35c01fa363 100644 --- a/arch/loongarch/kvm/vcpu.c +++ b/arch/loongarch/kvm/vcpu.c @@ -1277,9 +1277,11 @@ int kvm_own_lbt(struct kvm_vcpu *vcpu) return -EINVAL; preempt_disable(); - set_csr_euen(CSR_EUEN_LBTEN); - _restore_lbt(&vcpu->arch.lbt); - vcpu->arch.aux_inuse |= KVM_LARCH_LBT; + if (!(vcpu->arch.aux_inuse & KVM_LARCH_LBT)) { + set_csr_euen(CSR_EUEN_LBTEN); + _restore_lbt(&vcpu->arch.lbt); + vcpu->arch.aux_inuse |= KVM_LARCH_LBT; + } preempt_enable(); return 0; |