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

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Date:   Mon, 13 Feb 2017 09:16:08 -0800
From:   Shannon Nelson <shannon.nelson@...cle.com>
To:     Sergei Shtylyov <sergei.shtylyov@...entembedded.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

On 2/12/2017 3:16 AM, Sergei Shtylyov wrote:
> 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"?

Yep, that can be tightened up.

Thanks,
sln