netdev - Re: [PATCH net-next v2] devlink: let kernel allocate region snapshot id

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Message-ID: <aa51f181-69f7-edc6-1987-be1dce31d3ab@intel.com>
Date:   Fri, 1 May 2020 14:37:16 -0700
From:   Jacob Keller <jacob.e.keller@...el.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Jiri Pirko <jiri@...nulli.us>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "kernel-team@...com" <kernel-team@...com>
Subject: Re: [PATCH net-next v2] devlink: let kernel allocate region snapshot
 id



On 5/1/2020 2:32 PM, Jakub Kicinski wrote:
> On Fri, 1 May 2020 21:23:25 +0000 Keller, Jacob E wrote:
>>> Could you please send the snapshot id just before you return 0 in this
>>> function, as you offered in v1? I think it would be great to do it like
>>> that.
>>>
>>
>> Also: Does it make sense to send the snapshot id regardless of
>> whether it was auto-generated or not?
> 
> I may be wrong, but I think sending extra messages via netlink,
> which user space may not expect based on previous kernel versions 
> is considered uAPI breakage.
> 

Ok makes sense.

Thanks,
Jake