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| author | Jens Freimann <jfrei@linux.vnet.ibm.com> | 2014-08-11 15:39:43 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-08-25 14:35:56 +0200 |
| commit | 331cbc277ec4ae5827b9ca538d9b5469fdca0947 (patch) | |
| tree | 21007a8c70159b2f76428251910373e1f63f6d3a /arch/s390/kvm/interrupt.c | |
| parent | 7939503147f89f0799ddc89afec2aeae57dd7e2c (diff) | |
| download | op-kernel-dev-331cbc277ec4ae5827b9ca538d9b5469fdca0947.zip op-kernel-dev-331cbc277ec4ae5827b9ca538d9b5469fdca0947.tar.gz | |
KVM: s390: don't use kvm lock in interrupt injection code
The kvm lock protects us against vcpus going away, but they only go
away when the virtual machine is shut down. We don't need this
mutex here, so let's get rid of it.
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/interrupt.c')
| -rw-r--r-- | arch/s390/kvm/interrupt.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index e2f6240..ba89bbb 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -991,7 +991,6 @@ int kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu, trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, s390int->type, s390int->parm, s390int->parm64, 2); - mutex_lock(&vcpu->kvm->lock); li = &vcpu->arch.local_int; spin_lock(&li->lock); if (inti->type == KVM_S390_PROGRAM_INT) @@ -1003,7 +1002,6 @@ int kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu, li->action_bits |= ACTION_STOP_ON_STOP; atomic_set_mask(CPUSTAT_EXT_INT, li->cpuflags); spin_unlock(&li->lock); - mutex_unlock(&vcpu->kvm->lock); kvm_s390_vcpu_wakeup(vcpu); return 0; } |
