Re: [PATCH 01/13] iommu/vt-d: VT-d Posted-Interrupts feature detection

2014-11-11 Thread Jiang Liu
On 2014/11/10 14:26, Feng Wu 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 non-root mode. > >

[PATCH 01/13] iommu/vt-d: VT-d Posted-Interrupts feature detection

2014-11-09 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 feature detection logic for VT-d