Re: [RFC 0/9] KVM-VFIO IRQ forward control

2014-08-27 Thread Eric Auger
On 08/26/2014 07:49 PM, Alex Williamson wrote: > On Mon, 2014-08-25 at 15:27 +0200, Eric Auger wrote: >> This RFC proposes an integration of "ARM: Forwarding physical >> interrupts to a guest VM" (http://lwn.net/Articles/603514/) in >> KVM. >> >> It enables to transform a VFIO platform driver IRQ i

Re: [RFC 0/9] KVM-VFIO IRQ forward control

2014-08-26 Thread Alex Williamson
On Mon, 2014-08-25 at 15:27 +0200, Eric Auger wrote: > This RFC proposes an integration of "ARM: Forwarding physical > interrupts to a guest VM" (http://lwn.net/Articles/603514/) in > KVM. > > It enables to transform a VFIO platform driver IRQ into a forwarded > IRQ. The direct benefit is that, fo

[RFC 0/9] KVM-VFIO IRQ forward control

2014-08-25 Thread Eric Auger
This RFC proposes an integration of "ARM: Forwarding physical interrupts to a guest VM" (http://lwn.net/Articles/603514/) in KVM. It enables to transform a VFIO platform driver IRQ into a forwarded IRQ. The direct benefit is that, for a level sensitive IRQ, a VM switch can be avoided on guest virt