netdev - Re: [PATCH net-next] rtnetlink: Support fine-grained netdevice bulk deletion

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Date:   Wed, 24 Nov 2021 09:44:43 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Gilad Naaman <gnaaman@...venets.com>
Cc:     dsahern@...il.com, lschlesinger@...venets.com,
        netdev@...r.kernel.org
Subject: Re: [PATCH net-next] rtnetlink: Support fine-grained netdevice bulk
 deletion

On Wed, 24 Nov 2021 18:59:42 +0200 Gilad Naaman wrote:
> > I'm sorry I don't understand. Please provide a clear use case.
> > I've never heard of "factory default on a large server".  
> 
> Our company is developing a core-router that is supposed to support thousands
> of links, both physical and virtual. (e.g. loopbacks, tunnels, vrfs, etc)
> 
> At times we are required to configure massive amounts of interfaces at once,
> such as when a factory reset is performed on the router (causing a deletion
> of all links), a configuration is restored after an upgrade,
> or really whenever the system reboots.
> 
> The significant detail in Lahav's benchmark is not "deleting 10K loopbacks",
> it's "deleting 10K interfaces", which *is* a good representation of what we're
> trying to do.

Alright, no fundamental objections here if you do in fact need this.
Please address the review comments.