linux-kernel - Re: linux-next: Tree for Feb 13 (virtio

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Date:	Thu, 14 Feb 2013 13:30:37 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Randy Dunlap <rdunlap@...radead.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Amit Shah <amit.shah@...hat.com>,
	virtualization@...ts.linux-foundation.org
Subject: Re: linux-next: Tree for Feb 13 (virtio_console)

Randy Dunlap <rdunlap@...radead.org> writes:

> On 02/13/13 00:35, Stephen Rothwell wrote:
>> Hi all,
>> 
>> Changes since 20130212:
>
> on i386:
>
> drivers/built-in.o: In function `in_intr':
> virtio_console.c:(.text+0x2dd31): undefined reference to `hvc_poll'
> virtio_console.c:(.text+0x2dd41): undefined reference to `hvc_kick'
> drivers/built-in.o: In function `resize_console':
> virtio_console.c:(.text+0x2e26f): undefined reference to `__hvc_resize'
> drivers/built-in.o: In function `unplug_port':
> virtio_console.c:(.text+0x2e572): undefined reference to `hvc_remove'
> drivers/built-in.o: In function `init_port_console':
> (.text+0x2fe59): undefined reference to `hvc_alloc'
> drivers/built-in.o: In function `virtio_cons_early_init':
> (.init.text+0x16d1): undefined reference to `hvc_instantiate'
>
>
> Full randconfig file is attached.

This looks like an impossible config.  CONFIG_VIRTIO_CONSOLE=y, but
CONFIG_HVC_DRIVER isn't set.

>From drivers/char/Kconfig:

        config VIRTIO_CONSOLE
        	tristate "Virtio console"
        	depends on VIRTIO
        	select HVC_DRIVER

???

Cheers,
Rusty.
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