Re: [PATCH v2] virt: IRQ bypass manager

2015-08-05 Thread Alex Williamson
On Wed, 2015-08-05 at 15:23 +0200, Eric Auger wrote: > Hi Alex, > On 07/16/2015 11:26 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 befor

Re: [PATCH v2] virt: IRQ bypass manager

2015-08-05 Thread Eric Auger
Hi Alex, On 07/16/2015 11:26 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: [PATCH v2] virt: IRQ bypass manager

2015-07-18 Thread Eric Auger
Hi Alex, On 07/16/2015 11:26 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: [PATCH v2] virt: IRQ bypass manager

2015-07-17 Thread Christian Borntraeger
Am 16.07.2015 um 23:26 schrieb Alex Williamson: > 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 exist th

[PATCH v2] virt: IRQ bypass manager

2015-07-16 Thread Alex Williamson
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 exist that often allow the host to be bypassed for some of these