netdev - Re: [PATCH net-next] net/core: Replace driver version to be kernel version

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Date:   Sun, 26 Jan 2020 14:21:58 -0800
From:   Shannon Nelson <snelson@...sando.io>
To:     Jakub Kicinski <kuba@...nel.org>, Leon Romanovsky <leon@...nel.org>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Michal Kalderon <michal.kalderon@...vell.com>,
        linux-netdev <netdev@...r.kernel.org>,
        RDMA mailing list <linux-rdma@...r.kernel.org>
Subject: Re: [PATCH net-next] net/core: Replace driver version to be kernel
 version

On 1/26/20 1:33 PM, Jakub Kicinski wrote
>> The long-standing policy in kernel that we don't really care about
>> out-of-tree code.
> Yeah... we all know it's not that simple :)
>
> The in-tree driver versions are meaningless and cause annoying churn
> when people arbitrarily bump them. If we can get people to stop doing
> that we'll be happy, that's all there is to it.
>
Perhaps it would be helpful if this standard was applied to all the 
drivers equally?  For example, I see that this week's ice driver update 
from Intel was accepted with no comment on their driver version bump.

Look, if we want to stamp all in-kernel drivers with the kernel version, 
fine.  But let's do it in a way that doesn't break the out-of-tree 
driver ability to report something else.  Can we set up a macro for 
in-kernel drivers to use in their get_drvinfo callback and require 
drivers to use that macro?  Then the out-of-tree drivers are able to 
replace that macro with whatever they need.  Just don't forcibly bash 
the value from higher up in the stack.

sln