Re: [Qemu-devel] [RFC v3 10/10] vfio: Add irqfd support in platform device

2014-06-25 Thread Alexander Graf
On 25.06.14 23:54, Alex Williamson wrote: On Wed, 2014-06-25 at 23:35 +0200, Alexander Graf wrote: On 02.06.14 09:49, Eric Auger wrote: This patch aims at optimizing IRQ handling using irqfd framework. It brings significant performance improvement over "traditional" IRQ handling introduced in

Re: [Qemu-devel] [RFC v3 10/10] vfio: Add irqfd support in platform device

2014-06-25 Thread Alex Williamson
On Wed, 2014-06-25 at 23:35 +0200, Alexander Graf wrote: > On 02.06.14 09:49, Eric Auger wrote: > > This patch aims at optimizing IRQ handling using irqfd framework. > > It brings significant performance improvement over "traditional" IRQ > > handling introduced in : > > "vfio: Add initial IRQ supp

Re: [Qemu-devel] [RFC v3 10/10] vfio: Add irqfd support in platform device

2014-06-25 Thread Alexander Graf
On 02.06.14 09:49, Eric Auger wrote: This patch aims at optimizing IRQ handling using irqfd framework. It brings significant performance improvement over "traditional" IRQ handling introduced in : "vfio: Add initial IRQ support in platform device". This new IRQ handling method depends on kernel

[Qemu-devel] [RFC v3 10/10] vfio: Add irqfd support in platform device

2014-06-02 Thread Eric Auger
This patch aims at optimizing IRQ handling using irqfd framework. It brings significant performance improvement over "traditional" IRQ handling introduced in : "vfio: Add initial IRQ support in platform device". This new IRQ handling method depends on kernel KVM irqfd/GSI routing capability. The