Re: [PATCH v8 6/6] kvm: Add de-assert option to KVM_IRQ_ACKFD

2012-08-15 Thread Alex Williamson
On Wed, 2012-08-15 at 17:11 +0300, Michael S. Tsirkin wrote: > On Fri, Aug 10, 2012 at 04:37:56PM -0600, Alex Williamson wrote: > > It's likely (vfio) that one of the reasons to watch for an IRQ ACK > > is to de-assert and re-enable an interrupt. As the IRQ ACK notfier > > is already watching a

Re: [PATCH v8 6/6] kvm: Add de-assert option to KVM_IRQ_ACKFD

2012-08-15 Thread Michael S. Tsirkin
On Fri, Aug 10, 2012 at 04:37:56PM -0600, Alex Williamson wrote: > It's likely (vfio) that one of the reasons to watch for an IRQ ACK > is to de-assert and re-enable an interrupt. As the IRQ ACK notfier > is already watching a GSI for an IRQ source ID we can easily couple > these together. > >

Re: [PATCH v8 6/6] kvm: Add de-assert option to KVM_IRQ_ACKFD

2012-08-15 Thread Michael S. Tsirkin
On Fri, Aug 10, 2012 at 04:37:56PM -0600, Alex Williamson wrote: It's likely (vfio) that one of the reasons to watch for an IRQ ACK is to de-assert and re-enable an interrupt. As the IRQ ACK notfier is already watching a GSI for an IRQ source ID we can easily couple these together.

Re: [PATCH v8 6/6] kvm: Add de-assert option to KVM_IRQ_ACKFD

2012-08-15 Thread Alex Williamson
On Wed, 2012-08-15 at 17:11 +0300, Michael S. Tsirkin wrote: On Fri, Aug 10, 2012 at 04:37:56PM -0600, Alex Williamson wrote: It's likely (vfio) that one of the reasons to watch for an IRQ ACK is to de-assert and re-enable an interrupt. As the IRQ ACK notfier is already watching a GSI for

[PATCH v8 6/6] kvm: Add de-assert option to KVM_IRQ_ACKFD

2012-08-10 Thread Alex Williamson
It's likely (vfio) that one of the reasons to watch for an IRQ ACK is to de-assert and re-enable an interrupt. As the IRQ ACK notfier is already watching a GSI for an IRQ source ID we can easily couple these together. Signed-off-by: Alex Williamson --- Documentation/virtual/kvm/api.txt |4

[PATCH v8 6/6] kvm: Add de-assert option to KVM_IRQ_ACKFD

2012-08-10 Thread Alex Williamson
It's likely (vfio) that one of the reasons to watch for an IRQ ACK is to de-assert and re-enable an interrupt. As the IRQ ACK notfier is already watching a GSI for an IRQ source ID we can easily couple these together. Signed-off-by: Alex Williamson alex.william...@redhat.com ---