[PATCH net 2/5] ibmvnic: Fix MTU settings

[David Miller]

From: Thomas Falcon <tlfalcon at linux.vnet.ibm.com>
Date: Thu, 26 Jan 2017 10:44:31 -0600

> On 01/25/2017 10:05 PM, David Miller wrote:
>> From: Thomas Falcon <tlfalcon at linux.vnet.ibm.com>
>> Date: Wed, 25 Jan 2017 15:02:20 -0600
>>
>>> In the current driver, the MTU is set to the maximum value
>>> capable for the backing device. This patch sets the MTU to the
>>> default value for a Linux net device.
>> Why are you doing this?
>>
>> What happens to users who depend upon the current behavior.
>>
>> They will break, and that isn't acceptable.
>>
> The current behavior was already broken.  We were seeing firmware errors when sending jumbo sized packets .  We plan to add proper support for jumbo sized packets as soon as possible.  

Need to be explained, with a full detailed history of how things got this way,
in your commit message.