netdev - Re: [PATCH v3 net-next 1/9] sunvnet: make sunvnet common code dynamically loadable

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Message-ID: <d4146a2e-2fc2-3c48-fedf-9f42b52800a0@cogentembedded.com>
Date:   Sun, 12 Feb 2017 14:16:02 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Shannon Nelson <shannon.nelson@...cle.com>, netdev@...r.kernel.org,
        davem@...emloft.net
Cc:     sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 net-next 1/9] sunvnet: make sunvnet common code
 dynamically loadable

Hello!

On 2/10/2017 8:38 PM, Shannon Nelson wrote:

> When the sunvnet_common code was split out for use by both sunvnet
> and the newer ldmvsw, it was made into a static kernel library, which
> limits the usefulness of sunvnet and ldmvsw as loadables, since most
> of the real work is being done in the shared code.  Also, this is
> simply dead code in kernels that aren't running the LDoms.
>
> This patch makes the sunvnet_common into a dynamically loadable
> module and makes sunvnet and ldmvsw dependent on sunvnet_common.
>
> Signed-off-by: Shannon Nelson <shannon.nelson@...cle.com>
> ---
>  drivers/net/ethernet/sun/Kconfig          |    8 ++++++--
>  drivers/net/ethernet/sun/sunvnet_common.c |    5 +++++
>  2 files changed, 11 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/sun/Kconfig b/drivers/net/ethernet/sun/Kconfig
> index a4b40e3..a7d91da 100644
> --- a/drivers/net/ethernet/sun/Kconfig
> +++ b/drivers/net/ethernet/sun/Kconfig
> @@ -70,19 +70,23 @@ config CASSINI
>  	  <http://docs.oracle.com/cd/E19113-01/giga.ether.pci/817-4341-10/817-4341-10.pdf>.
>
>  config SUNVNET_COMMON
> -	bool
> +	tristate "Common routines to support Sun Virtual Networking"
>  	depends on SUN_LDOMS
> -	default y if SUN_LDOMS
> +	default m if SUN_LDOMS

    Sounds tautological... maybe just "default m"?

[...]

MBR, Sergei