linux-kernel - Re: stmmac ethernet in kernel 4.4: coalescing related pauses?

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Message-Id: <20161128.113031.964579744326063048.davem@davemloft.net>
Date:   Mon, 28 Nov 2016 11:30:31 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     lsanfil@...vell.com
Cc:     eric.dumazet@...il.com, pavel@....cz, peppe.cavallaro@...com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: stmmac ethernet in kernel 4.4: coalescing related pauses?

From: Lino Sanfilippo <lsanfil@...vell.com>
Date: Mon, 28 Nov 2016 16:57:35 +0100

> I wonder if the best fix would be indeed to deactivate irq coalescing
> completely.
> Does it make any sense at all to use it if a driver uses NAPI already?

It absolutely does make sense, when it is implemented and functions
properly.