Message ID | 1417686484-20828-4-git-send-email-eric.auger@linaro.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index b5401f7..edcc66b 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -216,6 +216,11 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id) int err; struct kvm_vcpu *vcpu; + if (unlikely(vgic_initialized(kvm))) { + err = -EBUSY; + goto out; + } + vcpu = kmem_cache_zalloc(kvm_vcpu_cache, GFP_KERNEL); if (!vcpu) { err = -ENOMEM;
Now that user-space can initiate VGIC initialization independently on the first vcpu run, let's check the user-space does not attempt to create a VCPU after this initialization. Signed-off-by: Eric Auger <eric.auger@linaro.org> --- arch/arm/kvm/arm.c | 5 +++++ 1 file changed, 5 insertions(+)