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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-09-03 21:17:03 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-09-10 12:19:38 +0200 |
| commit | 6b331952f1bc2df61c98954e25578629c439e417 (patch) | |
| tree | 9e5dcad42d0dc13ad1074df9549a0d06965c6a0a | |
| parent | f346026e55f1efd3949a67ddd1dcea7c1b9a615e (diff) | |
| download | linux-6b331952f1bc2df61c98954e25578629c439e417.tar.bz2 | |
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>
| -rw-r--r-- | arch/s390/kvm/gaccess.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c index 4653ac6e182b..0f961a1c64b3 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); } |