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author | Gleb Natapov <gleb@redhat.com> | 2009-06-09 12:56:29 (GMT) |
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committer | Avi Kivity <avi@redhat.com> | 2009-09-10 05:32:52 (GMT) |
commit | 988a2cae6a3c0dea6df59808a935a9a697bfc28c (patch) | |
tree | c1118d86c5d6f24fe738c608917b0affb311f26d /arch/s390/kvm | |
parent | 73880c80aa9c8dc353cd0ad26579023213cd5314 (diff) | |
download | linux-988a2cae6a3c0dea6df59808a935a9a697bfc28c.tar.xz |
KVM: Use macro to iterate over vcpus.
[christian: remove unused variables on s390]
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/s390/kvm')
-rw-r--r-- | arch/s390/kvm/kvm-s390.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 098bfa6..07ced89 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -211,13 +211,17 @@ void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) static void kvm_free_vcpus(struct kvm *kvm) { unsigned int i; + struct kvm_vcpu *vcpu; - for (i = 0; i < KVM_MAX_VCPUS; ++i) { - if (kvm->vcpus[i]) { - kvm_arch_vcpu_destroy(kvm->vcpus[i]); - kvm->vcpus[i] = NULL; - } - } + kvm_for_each_vcpu(i, vcpu, kvm) + kvm_arch_vcpu_destroy(vcpu); + + mutex_lock(&kvm->lock); + for (i = 0; i < atomic_read(&kvm->online_vcpus); i++) + kvm->vcpus[i] = NULL; + + atomic_set(&kvm->online_vcpus, 0); + mutex_unlock(&kvm->lock); } void kvm_arch_sync_events(struct kvm *kvm) @@ -314,8 +318,6 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, BUG_ON(!kvm->arch.sca); if (!kvm->arch.sca->cpu[id].sda) kvm->arch.sca->cpu[id].sda = (__u64) vcpu->arch.sie_block; - else - BUG_ON(!kvm->vcpus[id]); /* vcpu does already exist */ vcpu->arch.sie_block->scaoh = (__u32)(((__u64)kvm->arch.sca) >> 32); vcpu->arch.sie_block->scaol = (__u32)(__u64)kvm->arch.sca; @@ -683,6 +685,7 @@ int kvm_arch_set_memory_region(struct kvm *kvm, int user_alloc) { int i; + struct kvm_vcpu *vcpu; /* A few sanity checks. We can have exactly one memory slot which has to start at guest virtual zero and which has to be located at a @@ -707,14 +710,10 @@ int kvm_arch_set_memory_region(struct kvm *kvm, return -EINVAL; /* request update of sie control block for all available vcpus */ - for (i = 0; i < KVM_MAX_VCPUS; ++i) { - if (kvm->vcpus[i]) { - if (test_and_set_bit(KVM_REQ_MMU_RELOAD, - &kvm->vcpus[i]->requests)) - continue; - kvm_s390_inject_sigp_stop(kvm->vcpus[i], - ACTION_RELOADVCPU_ON_STOP); - } + kvm_for_each_vcpu(i, vcpu, kvm) { + if (test_and_set_bit(KVM_REQ_MMU_RELOAD, &vcpu->requests)) + continue; + kvm_s390_inject_sigp_stop(vcpu, ACTION_RELOADVCPU_ON_STOP); } return 0; |