KVM: s390: get rid of constant condition in ipte_unlock_simple

Due to the earlier check we know that ipte_lock_count must be 0.
No need to add a useless if. Let's make clear that we are going
to always wakeup when we execute that code.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>

diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c
index 4653ac6..0f961a1 100644 (file)
--- a/arch/s390/kvm/gaccess.c
+++ b/arch/s390/kvm/gaccess.c
@@ -254,8 +254,7 @@ static void ipte_unlock_simple(struct kvm_vcpu *vcpu)
                new = old = ACCESS_ONCE(*ic);
                new.k = 0;
        } while (cmpxchg(&ic->val, old.val, new.val) != old.val);
-       if (!ipte_lock_count)
-               wake_up(&vcpu->kvm->arch.ipte_wq);
+       wake_up(&vcpu->kvm->arch.ipte_wq);
 out:
        mutex_unlock(&ipte_mutex);
 }