Re: [Qemu-devel] [PATCH 1/1] 9pfs: fix and simplify dependencies

[Greg Kurz]

On Tue,  8 Aug 2017 14:17:01 +0200
Cornelia Huck <address@hidden> wrote:

> We want to compile the 9pfs code iff virtfs is enabled and a virtio
> transport is available (not only pci!).
> 
> Let's make the generated CONFIG_VIRTFS statement depend on either
> CONFIG_VIRTIO_PCI or (new) CONFIG_VIRTIO_CCW. The Makefiles for fsdev/
> and hw/9pfs/ can then depend on CONFIG_VIRTFS directly.
> 
> Suggested-by: Thomas Huth <address@hidden>
> Signed-off-by: Cornelia Huck <address@hidden>
> ---

It looks good to me.

Acked-by: Greg Kurz <address@hidden>

>  configure                         | 2 +-
>  default-configs/s390x-softmmu.mak | 1 +
>  fsdev/Makefile.objs               | 2 +-
>  hw/Makefile.objs                  | 2 +-
>  4 files changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/configure b/configure
> index dd73cce62f..709884dff1 100755
> --- a/configure
> +++ b/configure
> @@ -5771,7 +5771,7 @@ if test "$libattr" = "yes" ; then
>    echo "CONFIG_LIBATTR=y" >> $config_host_mak
>  fi
>  if test "$virtfs" = "yes" ; then
> -  echo "CONFIG_VIRTFS=y" >> $config_host_mak
> +  echo 'CONFIG_VIRTFS=$(call lor, 
> $(CONFIG_VIRTIO_PCI),$(CONFIG_VIRTIO_CCW))' >> $config_host_mak
>  fi
>  if test "$vhost_scsi" = "yes" ; then
>    echo "CONFIG_VHOST_SCSI=y" >> $config_host_mak
> diff --git a/default-configs/s390x-softmmu.mak 
> b/default-configs/s390x-softmmu.mak
> index 51191b77df..e4c5236ceb 100644
> --- a/default-configs/s390x-softmmu.mak
> +++ b/default-configs/s390x-softmmu.mak
> @@ -8,3 +8,4 @@ CONFIG_S390_FLIC=y
>  CONFIG_S390_FLIC_KVM=$(CONFIG_KVM)
>  CONFIG_VFIO_CCW=$(CONFIG_LINUX)
>  CONFIG_WDT_DIAG288=y
> +CONFIG_VIRTIO_CCW=y
> diff --git a/fsdev/Makefile.objs b/fsdev/Makefile.objs
> index 659df6e187..604cc8b6c4 100644
> --- a/fsdev/Makefile.objs
> +++ b/fsdev/Makefile.objs
> @@ -1,4 +1,4 @@
> -ifeq ($(CONFIG_VIRTIO)$(CONFIG_VIRTFS)$(CONFIG_PCI),yyy)
> +ifeq ($(CONFIG_VIRTFS),y)
>  # Lots of the fsdev/9pcode is pulled in by vl.c via qemu_fsdev_add.
>  # only pull in the actual virtio-9p device if we also enabled virtio.
>  common-obj-y = qemu-fsdev.o 9p-marshal.o 9p-iov-marshal.o
> diff --git a/hw/Makefile.objs b/hw/Makefile.objs
> index a2c61f6b09..147d1dc9fb 100644
> --- a/hw/Makefile.objs
> +++ b/hw/Makefile.objs
> @@ -1,4 +1,4 @@
> -devices-dirs-$(call land, $(CONFIG_VIRTIO),$(call 
> land,$(CONFIG_VIRTFS),$(CONFIG_PCI))) += 9pfs/
> +devices-dirs-$(CONFIG_VIRTFS) += 9pfs/
>  devices-dirs-$(CONFIG_SOFTMMU) += acpi/
>  devices-dirs-$(CONFIG_SOFTMMU) += adc/
>  devices-dirs-$(CONFIG_SOFTMMU) += audio/

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