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KVM: Break dependency between vcpu index in vcpus array and vcpu_id.

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Archs are free to use vcpu_id as they see fit. For x86 it is used as
vcpu's apic id. New ioctl is added to configure boot vcpu id that was
assumed to be 0 till now.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov
2009-06-09 15:56:28 +03:00
committed by Avi Kivity
parent 1ed0ce000a
commit 73880c80aa
9 changed files with 55 additions and 33 deletions
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8
arch/ia64/kvm/kvm-ia64.c
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@@ -338,7 +338,7 @@ static struct kvm_vcpu *lid_to_vcpu(struct kvm *kvm, unsigned long id,
union ia64_lid lid;
int i;
for (i = 0; i < kvm->arch.online_vcpus; i++) {
for (i = 0; i < atomic_read(&kvm->online_vcpus); i++) {
if (kvm->vcpus[i]) {
lid.val = VCPU_LID(kvm->vcpus[i]);
if (lid.id == id && lid.eid == eid)
@@ -412,7 +412,7 @@ static int handle_global_purge(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
call_data.ptc_g_data = p->u.ptc_g_data;
for (i = 0; i < kvm->arch.online_vcpus; i++) {
for (i = 0; i < atomic_read(&kvm->online_vcpus); i++) {
if (!kvm->vcpus[i] || kvm->vcpus[i]->arch.mp_state ==
KVM_MP_STATE_UNINITIALIZED ||
vcpu == kvm->vcpus[i])
@@ -852,8 +852,6 @@ struct kvm *kvm_arch_create_vm(void)
kvm_init_vm(kvm);
kvm->arch.online_vcpus = 0;
return kvm;
}
@@ -1356,8 +1354,6 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
goto fail;
}
kvm->arch.online_vcpus++;
return vcpu;
fail:
return ERR_PTR(r);