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authorGleb Natapov <gleb@redhat.com>2009-06-09 15:56:26 +0300
committerAvi Kivity <avi@redhat.com>2009-09-10 08:32:51 +0300
commitc5af89b68abb26eea5e745f33228f4d672f115e5 (patch)
treeaad12571ebedea7b869adbeec27e614c498715f4 /virt
parentd555c333aa544b222fe077adcd5dfea024b2c913 (diff)
downloadlwn-c5af89b68abb26eea5e745f33228f4d672f115e5.tar.gz
lwn-c5af89b68abb26eea5e745f33228f4d672f115e5.zip
KVM: Introduce kvm_vcpu_is_bsp() function.
Use it instead of open code "vcpu_id zero is BSP" assumption. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/ioapic.c4
-rw-r--r--virt/kvm/kvm_main.c2
2 files changed, 5 insertions, 1 deletions
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
index 2a5667173995..0532fa68f5d1 100644
--- a/virt/kvm/ioapic.c
+++ b/virt/kvm/ioapic.c
@@ -164,7 +164,9 @@ static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq)
/* Always delivery PIT interrupt to vcpu 0 */
if (irq == 0) {
irqe.dest_mode = 0; /* Physical mode. */
- irqe.dest_id = ioapic->kvm->vcpus[0]->vcpu_id;
+ /* need to read apic_id from apic regiest since
+ * it can be rewritten */
+ irqe.dest_id = ioapic->kvm->bsp_vcpu->vcpu_id;
}
#endif
return kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe);
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 0d481b282448..0d54edecbc70 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1747,6 +1747,8 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, int n)
goto vcpu_destroy;
}
kvm->vcpus[n] = vcpu;
+ if (n == 0)
+ kvm->bsp_vcpu = vcpu;
mutex_unlock(&kvm->lock);
/* Now it's all set up, let userspace reach it */