Re: [Xen-devel] [PATCH v6 03/18] iommu: Add iommu_intpost to control VT-d Posted-Interrupts feature

2015-09-04 Thread Jan Beulich
>>> On 25.08.15 at 03:57, wrote: > 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

[Xen-devel] [PATCH v6 03/18] iommu: Add iommu_intpost to control VT-d Posted-Interrupts feature

2015-08-24 Thread Feng Wu
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. This patch adds variable 'iommu_intpost' to