diff options
Diffstat (limited to 'virt/kvm/ioapic.c')
| -rw-r--r-- | virt/kvm/ioapic.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c index 3eed61eb486..dcaf272c26c 100644 --- a/virt/kvm/ioapic.c +++ b/virt/kvm/ioapic.c @@ -185,7 +185,7 @@ static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq) irqe.dest_mode = 0; /* Physical mode. */ /* need to read apic_id from apic regiest since * it can be rewritten */ - irqe.dest_id = ioapic->kvm->bsp_vcpu->vcpu_id; + irqe.dest_id = ioapic->kvm->bsp_vcpu_id; } #endif return kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe); @@ -332,9 +332,18 @@ static int ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len, (void*)addr, len, val); ASSERT(!(addr & 0xf)); /* check alignment */ - if (len == 4 || len == 8) + switch (len) { + case 8: + case 4: data = *(u32 *) val; - else { + break; + case 2: + data = *(u16 *) val; + break; + case 1: + data = *(u8 *) val; + break; + default: printk(KERN_WARNING "ioapic: Unsupported size %d\n", len); return 0; } @@ -343,7 +352,7 @@ static int ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len, spin_lock(&ioapic->lock); switch (addr) { case IOAPIC_REG_SELECT: - ioapic->ioregsel = data; + ioapic->ioregsel = data & 0xFF; /* 8-bit register */ break; case IOAPIC_REG_WINDOW: |