Re: [Qemu-devel] [PATCH v18 6/6] hw/vfio/platform: add irqfd support

2015-06-29 Thread Peter Maydell
On 26 June 2015 at 18:29, Eric Auger wrote: > This patch aims at optimizing IRQ handling using irqfd framework. > > Instead of handling the eventfds on user-side they are handled on > kernel side using > - the KVM irqfd framework, > - the VFIO driver virqfd framework. > > the virtual IRQ completio

[Qemu-devel] [PATCH v18 6/6] hw/vfio/platform: add irqfd support

2015-06-26 Thread Eric Auger
This patch aims at optimizing IRQ handling using irqfd framework. Instead of handling the eventfds on user-side they are handled on kernel side using - the KVM irqfd framework, - the VFIO driver virqfd framework. the virtual IRQ completion is trapped at interrupt controller This removes the need