linux-kernel - Re: [PATCH] vfio-mdev: Fix mtty sample driver building

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Date:   Thu, 15 Dec 2016 10:36:02 +0100
From:   Auger Eric <eric.auger@...hat.com>
To:     Alex Williamson <alex.williamson@...hat.com>
Cc:     kwankhede@...dia.com, cjia@...dia.com,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH] vfio-mdev: Fix mtty sample driver building

Hi,

On 14/12/2016 20:39, Alex Williamson wrote:
> This sample driver was originally under Documentation/ and was moved
> to samples, but build support was never adjusted for the new location.
> 
> Signed-off-by: Alex Williamson <alex.williamson@...hat.com>
> ---
>  samples/Kconfig            |    7 +++++++
>  samples/Makefile           |    3 ++-
>  samples/vfio-mdev/Makefile |   14 +-------------
>  3 files changed, 10 insertions(+), 14 deletions(-)
> 
> diff --git a/samples/Kconfig b/samples/Kconfig
> index a6d2a43..b124f62 100644
> --- a/samples/Kconfig
> +++ b/samples/Kconfig
> @@ -105,4 +105,11 @@ config SAMPLE_BLACKFIN_GPTIMERS
>  	help
>  	  Build samples of blackfin gptimers sample module.
>  
> +config SAMPLE_VFIO_MDEV_MTTY
> +	tristate "Build VFIO mtty example mediated device sample code -- loadable modules only"
> +	depends on VFIO_MDEV_DEVICE && m
> +	help
> +	  Build a virtual tty sample driver for use as a VFIO
> +	  mediated device
> +
>  endif # SAMPLES
> diff --git a/samples/Makefile b/samples/Makefile
> index e17d66d..86a137e 100644
> --- a/samples/Makefile
> +++ b/samples/Makefile
> @@ -2,4 +2,5 @@
>  
>  obj-$(CONFIG_SAMPLES)	+= kobject/ kprobes/ trace_events/ livepatch/ \
>  			   hw_breakpoint/ kfifo/ kdb/ hidraw/ rpmsg/ seccomp/ \
> -			   configfs/ connector/ v4l/ trace_printk/ blackfin/
> +			   configfs/ connector/ v4l/ trace_printk/ blackfin/ \
> +			   vfio-mdev/
> diff --git a/samples/vfio-mdev/Makefile b/samples/vfio-mdev/Makefile
> index a932edb..cbbd868 100644
> --- a/samples/vfio-mdev/Makefile
> +++ b/samples/vfio-mdev/Makefile
> @@ -1,13 +1 @@
> -#
> -# Makefile for mtty.c file
> -#
> -KERNEL_DIR:=/lib/modules/$(shell uname -r)/build
> -
> -obj-m:=mtty.o
> -
> -modules clean modules_install:
> -	$(MAKE) -C $(KERNEL_DIR) SUBDIRS=$(PWD) $@
> -
> -default: modules
> -
> -module: modules
> +obj-$(CONFIG_SAMPLE_VFIO_MDEV_MTTY) += mtty.o

Test-compiled on ARM aarch64

Reviewed-by: Eric Auger <eric.auger@...hat.com>
Tested-by: Eric Auger <eric.auger@...hat.com>

Best Regards

Eric


> 
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