Re: [PATCH v3] KVM: Allow host IRQ sharing for assigned PCI 2.3 devices

2012-02-27 Thread Jan Kiszka
On 2012-02-28 00:15, Alex Williamson wrote: > On Mon, 2012-02-27 at 23:07 +0100, Jan Kiszka wrote: >> On 2012-02-27 22:05, Alex Williamson wrote: >>> On Fri, 2012-02-10 at 19:17 +0100, Jan Kiszka wrote: PCI 2.3 allows to generically disable IRQ sources at device level. This enables us to

Re: [PATCH v3] KVM: Allow host IRQ sharing for assigned PCI 2.3 devices

2012-02-27 Thread Alex Williamson
On Mon, 2012-02-27 at 23:07 +0100, Jan Kiszka wrote: > On 2012-02-27 22:05, Alex Williamson wrote: > > On Fri, 2012-02-10 at 19:17 +0100, Jan Kiszka wrote: > >> PCI 2.3 allows to generically disable IRQ sources at device level. This > >> enables us to share legacy IRQs of such devices with other ho

Re: [PATCH v3] KVM: Allow host IRQ sharing for assigned PCI 2.3 devices

2012-02-27 Thread Jan Kiszka
On 2012-02-27 22:05, Alex Williamson wrote: > On Fri, 2012-02-10 at 19:17 +0100, Jan Kiszka wrote: >> PCI 2.3 allows to generically disable IRQ sources at device level. This >> enables us to share legacy IRQs of such devices with other host devices >> when passing them to a guest. >> >> The new IRQ

Re: [PATCH v3] KVM: Allow host IRQ sharing for assigned PCI 2.3 devices

2012-02-27 Thread Alex Williamson
On Fri, 2012-02-10 at 19:17 +0100, Jan Kiszka wrote: > PCI 2.3 allows to generically disable IRQ sources at device level. This > enables us to share legacy IRQs of such devices with other host devices > when passing them to a guest. > > The new IRQ sharing feature introduced here is optional, user

Re: [PATCH v3] KVM: Allow host IRQ sharing for assigned PCI 2.3 devices

2012-02-27 Thread Jan Kiszka
On 2012-02-10 19:17, Jan Kiszka wrote: > PCI 2.3 allows to generically disable IRQ sources at device level. This > enables us to share legacy IRQs of such devices with other host devices > when passing them to a guest. > > The new IRQ sharing feature introduced here is optional, user space has > t

[PATCH v3] KVM: Allow host IRQ sharing for assigned PCI 2.3 devices

2012-02-10 Thread Jan Kiszka
PCI 2.3 allows to generically disable IRQ sources at device level. This enables us to share legacy IRQs of such devices with other host devices when passing them to a guest. The new IRQ sharing feature introduced here is optional, user space has to request it explicitly. Moreover, user space can i