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[GIT,PULL,5/7] KVM: s390: get rid of constant condition in ipte_unlock_simple

Message ID 1410357234-8937-6-git-send-email-borntraeger@de.ibm.com (mailing list archive)
State New, archived
Headers show

Commit Message

Christian Borntraeger Sept. 10, 2014, 1:53 p.m. UTC 
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>
---
 arch/s390/kvm/gaccess.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox

Patch

diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c
index 4653ac6..0f961a1 100644
--- 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);
 }