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KVM: s390: optimize float int lock: spin_lock_bh --> spin_lock

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The floating interrupt lock is only taken in process context. We can
replace all spin_lock_bh with standard spin_lock calls.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Christian Ehrhardt <ehrhardt@de.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Christian Borntraeger
2009-05-12 17:21:50 +02:00
committed by Avi Kivity
parent ca8723023f
commit b037a4f34e
4 changed files with 22 additions and 22 deletions
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4
arch/s390/kvm/kvm-s390.c
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@ -318,11 +318,11 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
spin_lock_init(&vcpu->arch.local_int.lock);
INIT_LIST_HEAD(&vcpu->arch.local_int.list);
vcpu->arch.local_int.float_int = &kvm->arch.float_int;
spin_lock_bh(&kvm->arch.float_int.lock);
spin_lock(&kvm->arch.float_int.lock);
kvm->arch.float_int.local_int[id] = &vcpu->arch.local_int;
init_waitqueue_head(&vcpu->arch.local_int.wq);
vcpu->arch.local_int.cpuflags = &vcpu->arch.sie_block->cpuflags;
spin_unlock_bh(&kvm->arch.float_int.lock);
spin_unlock(&kvm->arch.float_int.lock);
rc = kvm_vcpu_init(vcpu, kvm, id);
if (rc)