netdev - Re: [PATCH 1/2] net: mvneta: introduce tx_csum

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Message-ID: <20150615164810.0f3c8c8d@free-electrons.com>
Date:	Mon, 15 Jun 2015 16:48:10 +0200
From:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Simon Guinot <simon.guinot@...uanux.org>,
	Jason Cooper <jason@...edaemon.net>,
	Andrew Lunn <andrew@...n.ch>,
	Gregory Clement <gregory.clement@...e-electrons.com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	netdev@...r.kernel.org, stable@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/2] net: mvneta: introduce tx_csum_limit property

Russell,

On Mon, 15 Jun 2015 15:36:01 +0100, Russell King - ARM Linux wrote:
> On Mon, Jun 15, 2015 at 04:27:22PM +0200, Simon Guinot wrote:
> > This patch introduces the tx_csum_limit DT property. This allows to
> > configure the maximum frame size for which the Ethernet controller is
> > able to perform TCP/IP checksumming. If MTU is set to a value greater
> > than tx_csum_limit, then the features NETIF_F_IP_CSUM and NETIF_F_TSO
> > are disabled.
> > 
> > Signed-off-by: Simon Guinot <simon.guinot@...uanux.org>
> > Cc: <stable@...r.kernel.org> # v3.8+
> 
> Sorry, I just tripped over this.  This looks like a patch adding a new
> _feature_ to this ethernet driver.  It isn't a regression fix, and it
> isn't a bug fix.  Why are you wanting to get it into stable kernels,
> which are supposed to only have bug and regression fixes applied?

Look at the cover letter, it is fixing a bug.

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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