diff options
author | Christian Borntraeger <borntraeger@de.ibm.com> | 2009-05-12 11:21:50 -0400 |
---|---|---|
committer | Avi Kivity <avi@redhat.com> | 2009-06-10 04:48:56 -0400 |
commit | b037a4f34ec51b6c8ccb352a04056c04a4bfc269 (patch) | |
tree | 9ae7a04c170ecfca9ac2973c69383454c0aa8e60 /arch/s390/kvm/kvm-s390.c | |
parent | ca8723023f25c9a70d76cbd6101f8fb4ffec2fa0 (diff) |
KVM: s390: optimize float int lock: spin_lock_bh --> spin_lock
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>
Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
-rw-r--r-- | arch/s390/kvm/kvm-s390.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index dc3d06811fd8..36c654d2d64a 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c | |||
@@ -318,11 +318,11 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, | |||
318 | spin_lock_init(&vcpu->arch.local_int.lock); | 318 | spin_lock_init(&vcpu->arch.local_int.lock); |
319 | INIT_LIST_HEAD(&vcpu->arch.local_int.list); | 319 | INIT_LIST_HEAD(&vcpu->arch.local_int.list); |
320 | vcpu->arch.local_int.float_int = &kvm->arch.float_int; | 320 | vcpu->arch.local_int.float_int = &kvm->arch.float_int; |
321 | spin_lock_bh(&kvm->arch.float_int.lock); | 321 | spin_lock(&kvm->arch.float_int.lock); |
322 | kvm->arch.float_int.local_int[id] = &vcpu->arch.local_int; | 322 | kvm->arch.float_int.local_int[id] = &vcpu->arch.local_int; |
323 | init_waitqueue_head(&vcpu->arch.local_int.wq); | 323 | init_waitqueue_head(&vcpu->arch.local_int.wq); |
324 | vcpu->arch.local_int.cpuflags = &vcpu->arch.sie_block->cpuflags; | 324 | vcpu->arch.local_int.cpuflags = &vcpu->arch.sie_block->cpuflags; |
325 | spin_unlock_bh(&kvm->arch.float_int.lock); | 325 | spin_unlock(&kvm->arch.float_int.lock); |
326 | 326 | ||
327 | rc = kvm_vcpu_init(vcpu, kvm, id); | 327 | rc = kvm_vcpu_init(vcpu, kvm, id); |
328 | if (rc) | 328 | if (rc) |