Re: [PATCH v4] virt: IRQ bypass manager

2015-08-18 Thread Eric Auger
Reviewed-by: Eric Auger Tested-by: Eric Auger Best Regards Eric On 08/06/2015 07:42 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

[PATCH v4] virt: IRQ bypass manager

2015-08-06 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