linux-kernel - Re: [PATCH 2/3] net: lpc_eth: Increase number of TX descriptors

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Message-Id: <20120611.011117.597888637750902318.davem@davemloft.net>
Date:	Mon, 11 Jun 2012 01:11:17 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	stigge@...com.de
Cc:	eric.dumazet@...il.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, kevin.wells@....com,
	srinivas.bakki@....com, aletes.xgr@...il.com,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 2/3] net: lpc_eth: Increase number of TX descriptors

From: Roland Stigge <stigge@...com.de>
Date: Mon, 11 Jun 2012 10:03:12 +0200

> Since we have enough SRAM, we can increase the number of TX descriptors, so the
> "BUSY" warning about occupied TX descriptors doesn't need to show up as often.
> 
> Signed-off-by: Roland Stigge <stigge@...com.de>
> Tested-by: Alexandre Pereira da Silva <aletes.xgr@...il.com>

This is way too terse, and as I described in my reply to your first
patch it is not normal for the transmit function to be invoked when
there are no TX descriptors available.  That's a bug if it is happening.
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