Re: [Patch v4 21/23] x86/PCI: Refine the way to release PCI IRQ resources

2015-03-04 Thread Alex Williamson
On Wed, 2015-03-04 at 09:06 -0700, Alex Williamson wrote: > Hi, > > I'm getting a regression from this patch when using VFIO for device > assignment to a QEMU VM. I have a device initially bound to the nouveau > driver, which is unbound from that driver and bound to vfio-pci for use > by

Re: [Patch v4 21/23] x86/PCI: Refine the way to release PCI IRQ resources

2015-03-04 Thread Alex Williamson
Hi, I'm getting a regression from this patch when using VFIO for device assignment to a QEMU VM. I have a device initially bound to the nouveau driver, which is unbound from that driver and bound to vfio-pci for use by userspace. vfio-pci calls pci_enable_device, but when userspace attempts to

Re: [Patch v4 21/23] x86/PCI: Refine the way to release PCI IRQ resources

2015-03-04 Thread Alex Williamson
Hi, I'm getting a regression from this patch when using VFIO for device assignment to a QEMU VM. I have a device initially bound to the nouveau driver, which is unbound from that driver and bound to vfio-pci for use by userspace. vfio-pci calls pci_enable_device, but when userspace attempts to

Re: [Patch v4 21/23] x86/PCI: Refine the way to release PCI IRQ resources

2015-03-04 Thread Alex Williamson
On Wed, 2015-03-04 at 09:06 -0700, Alex Williamson wrote: Hi, I'm getting a regression from this patch when using VFIO for device assignment to a QEMU VM. I have a device initially bound to the nouveau driver, which is unbound from that driver and bound to vfio-pci for use by userspace.