RE: [v5 00/19] Add VT-d Posted-Interrupts support

2015-07-13 Thread Wu, Feng
> -Original Message- > From: Eric Auger [mailto:eric.au...@linaro.org] > Sent: Monday, July 13, 2015 9:19 PM > To: Wu, Feng; k...@vger.kernel.org; linux-kernel@vger.kernel.org > Cc: pbonz...@redhat.com; alex.william...@redhat.com; j...@8bytes.org > Subject: Re: [v5 00/1

Re: [v5 00/19] Add VT-d Posted-Interrupts support

2015-07-13 Thread Eric Auger
Hi Feng, On 07/13/2015 11:47 AM, 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

[v5 00/19] Add VT-d Posted-Interrupts support

2015-07-13 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. You can find the VT-d Posted-Interrtups Spec. in