Re: [Xen-devel] [PATCH v5 04/17] vt-d: VT-d Posted-Interrupts feature detection

2015-08-12 Thread Konrad Rzeszutek Wilk
On Wed, Aug 12, 2015 at 10:35:25AM +0800, 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

[Xen-devel] [PATCH v5 04/17] vt-d: VT-d Posted-Interrupts feature detection

2015-08-11 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. CC: Yang Zhang CC: Kevin Tian Signed-off-by: Fe