Re: [PATCH v7 10/22] vfio/pci: introduce CONFIG_VFIO_PCI_ZDEV_KVM

Jason Gunthorpe
2022-05-16T17:00:24Z

On Fri, May 13, 2022 at 03:14:57PM -0400, Matthew Rosato wrote:
> diff --git a/drivers/vfio/pci/Kconfig b/drivers/vfio/pci/Kconfig
> index 4da1914425e1..ac1290d484e1 100644
> +++ b/drivers/vfio/pci/Kconfig
> @@ -44,6 +44,17 @@ config VFIO_PCI_IGD
> To enable Intel IGD assignment through vfio-pci, say Y.
> endif
>
> +config VFIO_PCI_ZDEV_KVM
> + bool "VFIO PCI extensions for s390x KVM passthrough"
> + depends on S390 && KVM
> + default y
> + help
> + Support s390x-specific extensions to enable support for enhancements
> + to KVM passthrough capabilities, such as interpretive execution of
> + zPCI instructions.
> +
> + To enable s390x KVM vfio-pci extensions, say

"say Y"