>>> On 23.07.15 at 13:35, wrote:
> --- a/xen/drivers/passthrough/vtd/iommu.c
> +++ b/xen/drivers/passthrough/vtd/iommu.c
> @@ -2071,6 +2071,9 @@ static int init_vtd_hw(void)
> disable_intremap(drhd->iommu);
> }
>
> +if ( !iommu_intremap )
> +iommu_intpost = 0;
VT-d Posted-Interrupts is an enhancement to CPU side Posted-Interrupt.
With VT-d Posted-Interrupts enabled, external interrupts from
direct-assigned devices can be delivered to guests without VMM
intervention when guest is running in non-root mode.
CC: Yang Zhang
CC: Kevin Tian
Signed-off-by: Fe
