linux-kernel - Re: [PATCH net-next V3] net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)

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Date:	Mon, 25 Jul 2016 08:06:49 +0300
From:	Leon Romanovsky <leon@...nel.org>
To:	Joe Perches <joe@...ches.com>
Cc:	Netanel Belgazal <netanel@...apurnalabs.com>,
	netdev@...r.kernel.org, davem@...emloft.net,
	linux-kernel@...r.kernel.org, zorik@...apurnalabs.com,
	saeed@...apurnalabs.com, alex@...apurnalabs.com, msw@...zon.com,
	aliguori@...zon.com, benjamin.poirier@...il.com,
	ben@...adent.org.uk, romieu@...zoreil.com, rami.rosen@...el.com,
	antoine.tenart@...e-electrons.com
Subject: Re: [PATCH net-next V3] net: ena: Add a driver for Amazon Elastic
 Network Adapters (ENA)

On Tue, Jul 19, 2016 at 10:49:57AM -0700, Joe Perches wrote:
> On Tue, 2016-07-19 at 20:26 +0300, Leon Romanovsky wrote:
> > On Tue, Jul 19, 2016 at 02:09:25PM +0300, Netanel Belgazal wrote:
> > > This is the debugging message interface.
> > > https://www.kernel.org/doc/Documentation/networking/netif-msg.txt
> > This document was updated last time in 2006 and I doubt that it is
> > relevant in 2016. You have dynamic debug prints infrastructure for it,
> > use it.
> 
> I think this is uninformed.
> 
> netif_<level> works well, is compatible with dynamic debug,
> and is commonly used with new networking drivers.
> 

I have a very strong feeling that it is not "used in new drivers" by was
influenced (copied) from "old drivers". The same goes for real life usage of
module version which was introduced in this patch.

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