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SubjectRe: Can't build in the virtio console driver on x86_64 when the other virtio drivers are modular
On Fri, 25 Feb 2011 11:38:15 +0530
Amit Shah <amit.shah@redhat.com> wrote:

> On (Thu) 24 Feb 2011 [11:28:19], Chuck Ebbert wrote:
> > The virtio configuration options are inconsistent. According to this,
> > every options that needs virtio will select it:
> >
> > # Virtio always gets selected by whoever wants it.
> > config VIRTIO
> > tristate
> >
> > Note that it's not user-selectable, so any config file that tries to
> > set it will be ignored when kconfig loads those options. And yet we
> > have a whole set of options that depend on VIRTIO, like VIRTIO_CONSOLE
> > for example. This makes it impossible to have VIRTIO_PCI modular and
> > VIRTIO_CONSOLE built-in on x86_64, because:
>
> Any reason to have VIRTIO_PCI modular instead of built in (on x86-64,
> virtio-console won't work without virtio-pci anyway)?
>

None that I know of offhand, other than not building in things unless
absolutely necessary. There's no dependency of any kind there, so it's
even possible to build a kernel with VIRTIO_CONSOLE enabled and
VIRTIO_PCI completely disabled.


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