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

[Jason Gunthorpe]

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"