linux-kernel - Re: [PATCHv7 13/26] vfio: amba: add the VFIO for AMBA devices module to Kconfig

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Date:	Tue, 23 Sep 2014 17:11:17 -0600
From:	Alex Williamson <alex.williamson@...hat.com>
To:	Antonios Motakis <a.motakis@...tualopensystems.com>
Cc:	kvmarm@...ts.cs.columbia.edu, iommu@...ts.linux-foundation.org,
	tech@...tualopensystems.com, kvm@...r.kernel.org,
	christoffer.dall@...aro.org, will.deacon@....com,
	kim.phillips@...escale.com, eric.auger@...aro.org,
	marc.zyngier@....com, open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv7 13/26] vfio: amba: add the VFIO for AMBA devices
 module to Kconfig

On Tue, 2014-09-23 at 16:46 +0200, Antonios Motakis wrote:
> Enable building the VFIO AMBA driver. VFIO_AMBA depends on VFIO_PLATFORM,
> since it is sharing a portion of the code, and it is essentially implemented
> as a platform device whose resources are discovered via AMBA specific APIs
> in the kernel.
> 
> Signed-off-by: Antonios Motakis <a.motakis@...tualopensystems.com>
> ---
>  drivers/vfio/platform/Kconfig  | 10 ++++++++++
>  drivers/vfio/platform/Makefile |  4 ++++
>  2 files changed, 14 insertions(+)
> 
> diff --git a/drivers/vfio/platform/Kconfig b/drivers/vfio/platform/Kconfig
> index c51af17..8b97786 100644
> --- a/drivers/vfio/platform/Kconfig
> +++ b/drivers/vfio/platform/Kconfig
> @@ -7,3 +7,13 @@ config VFIO_PLATFORM
>  	  framework.
>  
>  	  If you don't know what to do here, say N.
> +
> +config VFIO_AMBA
> +	tristate "VFIO support for AMBA devices"
> +	depends on VFIO && VFIO_PLATFORM && EVENTFD && ARM_AMBA

nit, VFIO_PLATFORM already depends on VFIO && EVENTFD

> +	help
> +	  Support for ARM AMBA devices with VFIO. This is required to make
> +	  use of ARM AMBA devices present on the system using the VFIO
> +	  framework.
> +
> +	  If you don't know what to do here, say N.
> diff --git a/drivers/vfio/platform/Makefile b/drivers/vfio/platform/Makefile
> index 279862b..1957170 100644
> --- a/drivers/vfio/platform/Makefile
> +++ b/drivers/vfio/platform/Makefile
> @@ -2,3 +2,7 @@
>  vfio-platform-y := vfio_platform.o vfio_platform_common.o
>  
>  obj-$(CONFIG_VFIO_PLATFORM) += vfio-platform.o
> +
> +vfio-amba-y := vfio_amba.o
> +
> +obj-$(CONFIG_VFIO_AMBA) += vfio-amba.o



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