Subject: Re: [PATCH] net: guard against coalescing packets from buggy network drivers

From: Svenning Sørensen <[email-masked]>
Date: Fri, 25 Apr 2014 18:01:55 +0200

On 25-04-2014 17:43, Eric Dumazet wrote:
>
> If you want a debugging patch, this should happen way before TCP stack
> or even IP stack.
>
> Say you want to use this buggy driver on a router, this code path will
> never bit hit.
>
You are right, of course, there are more effective ways to catch buggy 
drivers.
But they will probably also be much more expensive.
This one is very cheap, being in a relatively cold path, especially 
compared to the memcpy in the same path.

Svenning