On Wed, Nov 21, 2012 at 04:09:34PM +0800, Yang Zhang wrote:
> When PIT connects to IOAPIC, it route to pin 2 not pin 0.
>
> Signed-off-by: Yang Zhang <yang.z.zhang@xxxxxxxxx>
> ---
> virt/kvm/ioapic.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
> index cfb7e4d..166c450 100644
> --- a/virt/kvm/ioapic.c
> +++ b/virt/kvm/ioapic.c
> @@ -181,7 +181,7 @@ static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq)
>
> #ifdef CONFIG_X86
> /* Always delivery PIT interrupt to vcpu 0 */
> - if (irq == 0) {
> + if (irq == 2) {
Hmm, this means all this time the code didn't work correctly which makes
me wonder if we need this hack at all.
> irqe.dest_mode = 0; /* Physical mode. */
> /* need to read apic_id from apic regiest since
> * it can be rewritten */
> --
> 1.7.1
--
Gleb.
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