Re: [RFC PATCH] irq: IRQ bypass manager

2015-07-13 Thread Eric Auger
Hi Alex, On 07/08/2015 04:37 PM, Eric Auger wrote: > Hi Alex, > On 07/07/2015 11:40 PM, Alex Williamson wrote: >> When a physical I/O device is assigned to a virtual machine through >> facilities like VFIO and KVM, the interrupt for the device generally >> bounces through the host system before bei

Re: [RFC PATCH] irq: IRQ bypass manager

2015-07-08 Thread Eric Auger
Hi Alex, On 07/07/2015 11:40 PM, Alex Williamson wrote: > When a physical I/O device is assigned to a virtual machine through > facilities like VFIO and KVM, the interrupt for the device generally > bounces through the host system before being injected into the VM. > However, hardware technologies

Re: [RFC PATCH] irq: IRQ bypass manager

2015-07-08 Thread Alex Williamson
On Wed, 2015-07-08 at 12:22 +, Wu, Feng wrote: > > > > -Original Message- > > From: Alex Williamson [mailto:alex.william...@redhat.com] > > Sent: Wednesday, July 08, 2015 5:40 AM > > To: linux-kernel@vger.kernel.org; k...@vger.kernel.org > > Cc: eric.au...@st.com; eric.au...@linaro.or

RE: [RFC PATCH] irq: IRQ bypass manager

2015-07-08 Thread Wu, Feng
> -Original Message- > From: Alex Williamson [mailto:alex.william...@redhat.com] > Sent: Wednesday, July 08, 2015 5:40 AM > To: linux-kernel@vger.kernel.org; k...@vger.kernel.org > Cc: eric.au...@st.com; eric.au...@linaro.org; j...@8bytes.org; > avi.kiv...@gmail.com; pbonz...@redhat.com;

RE: [RFC PATCH] irq: IRQ bypass manager

2015-07-07 Thread Wu, Feng
> -Original Message- > From: Alex Williamson [mailto:alex.william...@redhat.com] > Sent: Wednesday, July 08, 2015 5:40 AM > To: linux-kernel@vger.kernel.org; k...@vger.kernel.org > Cc: eric.au...@st.com; eric.au...@linaro.org; j...@8bytes.org; > avi.kiv...@gmail.com; pbonz...@redhat.com;