diff options
author | David Hildenbrand <dahi@linux.vnet.ibm.com> | 2015-11-05 09:03:50 +0100 |
---|---|---|
committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2015-11-30 12:47:04 +0100 |
commit | e09fefdeeb517ff653516dea8a882ce001e99237 (patch) | |
tree | b9cdb7b637b93779ea96f05cfc56fdead30f9b25 | |
parent | bb11c6c96544737aede6a2eb92e5c6bc8b46534b (diff) |
KVM: Use common function for VCPU lookup by id
Let's reuse the new common function for VPCU lookup by id.
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
[split out the new function into a separate patch]
-rw-r--r-- | arch/powerpc/kvm/book3s_hv.c | 10 | ||||
-rw-r--r-- | arch/s390/kvm/diag.c | 11 | ||||
-rw-r--r-- | virt/kvm/kvm_main.c | 12 |
3 files changed, 10 insertions, 23 deletions
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 54b45b73195f..a29da44cdc6c 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -308,16 +308,10 @@ static void kvmppc_dump_regs(struct kvm_vcpu *vcpu) static struct kvm_vcpu *kvmppc_find_vcpu(struct kvm *kvm, int id) { - int r; - struct kvm_vcpu *v, *ret = NULL; + struct kvm_vcpu *ret; mutex_lock(&kvm->lock); - kvm_for_each_vcpu(r, v, kvm) { - if (v->vcpu_id == id) { - ret = v; - break; - } - } + ret = kvm_get_vcpu_by_id(kvm, id); mutex_unlock(&kvm->lock); return ret; } diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index 5fbfb88f8477..05f7de9869a9 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -155,10 +155,8 @@ static int __diag_time_slice_end(struct kvm_vcpu *vcpu) static int __diag_time_slice_end_directed(struct kvm_vcpu *vcpu) { - struct kvm *kvm = vcpu->kvm; struct kvm_vcpu *tcpu; int tid; - int i; tid = vcpu->run->s.regs.gprs[(vcpu->arch.sie_block->ipa & 0xf0) >> 4]; vcpu->stat.diagnose_9c++; @@ -167,12 +165,9 @@ static int __diag_time_slice_end_directed(struct kvm_vcpu *vcpu) if (tid == vcpu->vcpu_id) return 0; - kvm_for_each_vcpu(i, tcpu, kvm) - if (tcpu->vcpu_id == tid) { - kvm_vcpu_yield_to(tcpu); - break; - } - + tcpu = kvm_get_vcpu_by_id(vcpu->kvm, tid); + if (tcpu) + kvm_vcpu_yield_to(tcpu); return 0; } diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 73cbb4120d0b..9649a42ee990 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -2257,7 +2257,7 @@ static int create_vcpu_fd(struct kvm_vcpu *vcpu) static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id) { int r; - struct kvm_vcpu *vcpu, *v; + struct kvm_vcpu *vcpu; if (id >= KVM_MAX_VCPUS) return -EINVAL; @@ -2281,12 +2281,10 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id) r = -EINVAL; goto unlock_vcpu_destroy; } - - kvm_for_each_vcpu(r, v, kvm) - if (v->vcpu_id == id) { - r = -EEXIST; - goto unlock_vcpu_destroy; - } + if (kvm_get_vcpu_by_id(kvm, id)) { + r = -EEXIST; + goto unlock_vcpu_destroy; + } BUG_ON(kvm->vcpus[atomic_read(&kvm->online_vcpus)]); |