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

2020-04-01 Thread Jason Wang


On 2020/4/1 上午3:19, 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 
Signed-off-by: Michael S. Tsirkin 



Acked-by: Jason Wang 

Thanks



---

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?

  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"


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

2020-03-31 Thread Randy Dunlap
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 
> Signed-off-by: Michael S. Tsirkin 
> ---
> 
> 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
> @@ 

[PATCH] vdpa: move to drivers/vdpa

2020-03-31 Thread Michael S. Tsirkin
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 
Signed-off-by: Michael S. Tsirkin 
---

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?

 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"
-- 
MST

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