diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/kvm/booke.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index bcf87fe..70a86c0 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -501,6 +501,15 @@ static int kvmppc_prepare_to_enter(struct kvm_vcpu *vcpu) continue; } + if (vcpu->mode == EXITING_GUEST_MODE) { + r = 1; + break; + } + + /* Going into guest context! Yay! */ + vcpu->mode = IN_GUEST_MODE; + smp_wmb(); + break; } @@ -572,6 +581,8 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) kvm_guest_exit(); out: + vcpu->mode = OUTSIDE_GUEST_MODE; + smp_wmb(); local_irq_enable(); return ret; } |