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Date:   Mon, 16 May 2022 13:59:53 -0300
From:   Jason Gunthorpe <jgg@nvidia.com>
To:     Matthew Rosato <mjrosato@linux.ibm.com>
Cc:     linux-s390@vger.kernel.org, alex.williamson@redhat.com,
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Subject: Re: [PATCH v7 10/22] vfio/pci: introduce CONFIG_VFIO_PCI_ZDEV_KVM
Message-ID: <20220516165953.GD1343366@nvidia.com>
References: <20220513191509.272897-1-mjrosato@linux.ibm.com>
 <20220513191509.272897-11-mjrosato@linux.ibm.com>
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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"