Re: [Qemu-devel] [RFC PATCH 21/25] virtio: make virtio dependencies with Kconfig

[Yang Zhong <yang.zhong@intel.com>]

On Fri, Jan 04, 2019 at 08:54:54PM +0100, Thomas Huth wrote:
> On 2018-12-27 07:34, Yang Zhong wrote:
> > Signed-off-by: Yang Zhong <yang.zhong@intel.com>
> > ---
> >  default-configs/i386-softmmu.mak |  1 -
> >  hw/9pfs/Kconfig                  |  2 ++
> >  hw/block/Kconfig                 |  2 ++
> >  hw/char/Kconfig                  |  2 ++
> >  hw/display/Kconfig               |  5 +++++
> >  hw/input/Kconfig                 |  2 ++
> >  hw/net/Kconfig                   |  2 ++
> >  hw/pci-host/Kconfig              |  2 ++
> >  hw/virtio/Kconfig                | 10 +++++++++-
> >  9 files changed, 26 insertions(+), 2 deletions(-)
> 
> Shouldn't this patch also get rid of default-configs/virtio.mak ?
> 
  Thanks for reminder, i omitted this file and should remove it. thanks!

  Regards,

  Yang

> [...]
> > diff --git a/hw/virtio/Kconfig b/hw/virtio/Kconfig
> > index aabd6d4d96..9127daed5e 100644
> > --- a/hw/virtio/Kconfig
> > +++ b/hw/virtio/Kconfig
> > @@ -3,18 +3,26 @@ config VIRTIO
> >  
> >  config VIRTIO_RNG
> >      bool
> > +    default y
> > +    depends on VIRTIO
> >  
> >  config VIRTIO_PCI
> >      bool
> >      default y
> >      depends on PCI
> > -    select VIRTIO
> > +    depends on VIRTIO
> >  
> >  config VIRTIO_MMIO
> >      bool
> > +    default y
> > +    depends on VIRTIO
> 
> I don't think we should enable VIRTIO_MMIO by default - it's only used
> on arm and riscv, but not on x86 and the other architectures.
>
  Yes, the VIRTIO_MMIO is only used in arm and risc arch, i will change
  this. thanks for Thomas's comments

  Regards,

  Yang
 
> >  config VIRTIO_BALLOON
> >      bool
> > +    default y
> > +    depends on VIRTIO
> >  
> >  config VIRTIO_CRYPTO
> >      bool
> > +    default y
> > +    depends on VIRTIO
> > 
> 
>  Thomas