Messages in this thread Patch in this message | | | From | Avi Kivity <> | Subject | [PATCH 49/58] KVM: Fix adding an smp virtual machine to the vm list | Date | Sun, 17 Jun 2007 12:44:30 +0300 |
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If we add the vm once per vcpu, we corrupt the list if the guest has multiple vcpus.
Signed-off-by: Avi Kivity <avi@qumranet.com> --- drivers/kvm/kvm_main.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 3ff8ee5..230b25a 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -319,6 +319,9 @@ static struct kvm *kvm_create_vm(void) spin_lock_init(&kvm->lock); INIT_LIST_HEAD(&kvm->active_mmu_pages); + spin_lock(&kvm_lock); + list_add(&kvm->vm_list, &vm_list); + spin_unlock(&kvm_lock); for (i = 0; i < KVM_MAX_VCPUS; ++i) { struct kvm_vcpu *vcpu = &kvm->vcpus[i]; @@ -326,9 +329,6 @@ static struct kvm *kvm_create_vm(void) vcpu->cpu = -1; vcpu->kvm = kvm; vcpu->mmu.root_hpa = INVALID_PAGE; - spin_lock(&kvm_lock); - list_add(&kvm->vm_list, &vm_list); - spin_unlock(&kvm_lock); } return kvm; } -- 1.5.0.6 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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