On Fri, Jan 20, 2017 at 06:41:21PM +, Andrew Cooper wrote:
> On 19/01/17 17:29, Roger Pau Monne wrote:
> > @@ -3768,7 +3770,9 @@ static long hvm_physdev_op(int cmd,
> > XEN_GUEST_HANDLE_PARAM(void) arg)
> > case PHYSDEVOP_eoi:
> > case PHYSDEVOP_irq_status_query:
> > case
On 19/01/17 17:29, Roger Pau Monne wrote:
> @@ -3768,7 +3770,9 @@ static long hvm_physdev_op(int cmd,
> XEN_GUEST_HANDLE_PARAM(void) arg)
> case PHYSDEVOP_eoi:
> case PHYSDEVOP_irq_status_query:
> case PHYSDEVOP_get_free_pirq:
> -return do_physdev_op(cmd, arg);
> +
PVHv2 guests, unlike HVM guests, won't have the option to route interrupts
from physical or emulated devices over event channels using PIRQs. This
applies to both DomU and Dom0 PVHv2 guests.
Introduce a new XEN_X86_EMU_USE_PIRQ to notify Xen whether a HVM guest can
route physical interrupts (even
