Re: [PATCH net-next RFC v3 01/14] devlink: Add reload action option to devlink reload command

[Jakub Kicinski]

On Mon, 7 Sep 2020 16:46:01 +0300 Moshe Shemesh wrote:
> > In that sense I don't like --live because it doesn't really say much.
> > AFAIU it means 1) no link flap; 2) < 2 sec datapath downtime; 3) no
> > configuration is lost in kernel or device (including netdev config,
> > link config, flow rules, counters etc.). I was hoping at least the
> > documentation in patch 14 would be more precise.  
> 
> Actually, while writing "no-reset" or "live-patching" I meant also no 
> downtime at all and nothing resets (config, rules ... anything), that 
> fits mlx5 live-patching.
> 
> However, to make it more generic,  I can allow few seconds downtime and 
> add similar constrains as you mentioned here to "no-reset". I will add 
> that to the documentation patch.

Oh! If your device supports no downtime and packet loss at all that's
great. You don't have to weaken the definition now, whoever needs a
weaker definition can add a different constraint level later, no?