Re: [PATCH] vdpa: move to drivers/vdpa

[Randy Dunlap <rdunlap@infradead.org>]

On 3/31/20 12:19 PM, Michael S. Tsirkin wrote:
> We have both vhost and virtio drivers that depend on vdpa.
> It's easier to locate it at a top level directory otherwise
> we run into issues e.g. if vhost is built-in but virtio
> is modular.  Let's just move it up a level.
> 
> Reported-by: Randy Dunlap <rdunlap@infradead.org>
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
> ---
> 
> Randy I'd say the issue you are reporting (vhost=y, virtio=m)
> is esoteric enough not to require a rebase for this.
> So I'd just apply this on top.
> Do you agree?

Sure, looks fine from just reading it.
I haven't had a chance to test it yet.

Thanks.

>  MAINTAINERS                                   | 1 +
>  drivers/Kconfig                               | 2 ++
>  drivers/Makefile                              | 1 +
>  drivers/{virtio => }/vdpa/Kconfig             | 0
>  drivers/{virtio => }/vdpa/Makefile            | 0
>  drivers/{virtio => }/vdpa/ifcvf/Makefile      | 0
>  drivers/{virtio => }/vdpa/ifcvf/ifcvf_base.c  | 0
>  drivers/{virtio => }/vdpa/ifcvf/ifcvf_base.h  | 0
>  drivers/{virtio => }/vdpa/ifcvf/ifcvf_main.c  | 0
>  drivers/{virtio => }/vdpa/vdpa.c              | 0
>  drivers/{virtio => }/vdpa/vdpa_sim/Makefile   | 0
>  drivers/{virtio => }/vdpa/vdpa_sim/vdpa_sim.c | 0
>  drivers/virtio/Kconfig                        | 2 --
>  13 files changed, 4 insertions(+), 2 deletions(-)
>  rename drivers/{virtio => }/vdpa/Kconfig (100%)
>  rename drivers/{virtio => }/vdpa/Makefile (100%)
>  rename drivers/{virtio => }/vdpa/ifcvf/Makefile (100%)
>  rename drivers/{virtio => }/vdpa/ifcvf/ifcvf_base.c (100%)
>  rename drivers/{virtio => }/vdpa/ifcvf/ifcvf_base.h (100%)
>  rename drivers/{virtio => }/vdpa/ifcvf/ifcvf_main.c (100%)
>  rename drivers/{virtio => }/vdpa/vdpa.c (100%)
>  rename drivers/{virtio => }/vdpa/vdpa_sim/Makefile (100%)
>  rename drivers/{virtio => }/vdpa/vdpa_sim/vdpa_sim.c (100%)
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 70c47bc55343..7cfa55c765fd 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -17695,6 +17695,7 @@ L:	virtualization@lists.linux-foundation.org
>  S:	Maintained
>  F:	Documentation/devicetree/bindings/virtio/
>  F:	drivers/virtio/
> +F:	drivers/vdpa/
>  F:	tools/virtio/
>  F:	drivers/net/virtio_net.c
>  F:	drivers/block/virtio_blk.c
> diff --git a/drivers/Kconfig b/drivers/Kconfig
> index 7a6d8b2b68b4..ac23d520e916 100644
> --- a/drivers/Kconfig
> +++ b/drivers/Kconfig
> @@ -138,6 +138,8 @@ source "drivers/virt/Kconfig"
>  
>  source "drivers/virtio/Kconfig"
>  
> +source "drivers/vdpa/Kconfig"
> +
>  source "drivers/vhost/Kconfig"
>  
>  source "drivers/hv/Kconfig"
> diff --git a/drivers/Makefile b/drivers/Makefile
> index 31cf17dee252..21688f3b1588 100644
> --- a/drivers/Makefile
> +++ b/drivers/Makefile
> @@ -42,6 +42,7 @@ obj-$(CONFIG_DMADEVICES)	+= dma/
>  obj-y				+= soc/
>  
>  obj-$(CONFIG_VIRTIO)		+= virtio/
> +obj-$(CONFIG_VDPA)		+= vdpa/
>  obj-$(CONFIG_XEN)		+= xen/
>  
>  # regulators early, since some subsystems rely on them to initialize
> diff --git a/drivers/virtio/vdpa/Kconfig b/drivers/vdpa/Kconfig
> similarity index 100%
> rename from drivers/virtio/vdpa/Kconfig
> rename to drivers/vdpa/Kconfig
> diff --git a/drivers/virtio/vdpa/Makefile b/drivers/vdpa/Makefile
> similarity index 100%
> rename from drivers/virtio/vdpa/Makefile
> rename to drivers/vdpa/Makefile
> diff --git a/drivers/virtio/vdpa/ifcvf/Makefile b/drivers/vdpa/ifcvf/Makefile
> similarity index 100%
> rename from drivers/virtio/vdpa/ifcvf/Makefile
> rename to drivers/vdpa/ifcvf/Makefile
> diff --git a/drivers/virtio/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c
> similarity index 100%
> rename from drivers/virtio/vdpa/ifcvf/ifcvf_base.c
> rename to drivers/vdpa/ifcvf/ifcvf_base.c
> diff --git a/drivers/virtio/vdpa/ifcvf/ifcvf_base.h b/drivers/vdpa/ifcvf/ifcvf_base.h
> similarity index 100%
> rename from drivers/virtio/vdpa/ifcvf/ifcvf_base.h
> rename to drivers/vdpa/ifcvf/ifcvf_base.h
> diff --git a/drivers/virtio/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
> similarity index 100%
> rename from drivers/virtio/vdpa/ifcvf/ifcvf_main.c
> rename to drivers/vdpa/ifcvf/ifcvf_main.c
> diff --git a/drivers/virtio/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
> similarity index 100%
> rename from drivers/virtio/vdpa/vdpa.c
> rename to drivers/vdpa/vdpa.c
> diff --git a/drivers/virtio/vdpa/vdpa_sim/Makefile b/drivers/vdpa/vdpa_sim/Makefile
> similarity index 100%
> rename from drivers/virtio/vdpa/vdpa_sim/Makefile
> rename to drivers/vdpa/vdpa_sim/Makefile
> diff --git a/drivers/virtio/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
> similarity index 100%
> rename from drivers/virtio/vdpa/vdpa_sim/vdpa_sim.c
> rename to drivers/vdpa/vdpa_sim/vdpa_sim.c
> diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
> index 99e424570644..2aadf398d8cc 100644
> --- a/drivers/virtio/Kconfig
> +++ b/drivers/virtio/Kconfig
> @@ -109,5 +109,3 @@ config VIRTIO_MMIO_CMDLINE_DEVICES
>  	 If unsure, say 'N'.
>  
>  endif # VIRTIO_MENU
> -
> -source "drivers/virtio/vdpa/Kconfig"
> 


-- 
~Randy
Reported-by: Randy Dunlap <rdunlap@infradead.org>