Commit 6b331952 authored Sep 03, 2014 by Christian Borntraeger

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>

parent f346026e

arch/s390/kvm/gaccess.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -254,7 +254,6 @@ 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);
		out:
		mutex_unlock(&ipte_mutex);