linux-kernel - Re: [PATCH] e1000: remove unused variables

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Message-ID: <20141201045446.GA3277@sudip-PC>
Date:	Mon, 1 Dec 2014 10:24:46 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Ben Hutchings <ben@...adent.org.uk>
Cc:	Hisashi T Fujinaka <htodd@...fifty.com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	Bruce Allan <bruce.w.allan@...el.com>,
	Carolyn Wyborny <carolyn.wyborny@...el.com>,
	Don Skidmore <donald.c.skidmore@...el.com>,
	Greg Rose <gregory.v.rose@...el.com>,
	Matthew Vick <matthew.vick@...el.com>,
	John Ronciak <john.ronciak@...el.com>,
	Mitch Williams <mitch.a.williams@...el.com>,
	Linux NICS <linux.nics@...el.com>,
	e1000-devel@...ts.sourceforge.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] e1000: remove unused variables

On Sun, Nov 30, 2014 at 01:45:13AM +0000, Ben Hutchings wrote:
> On Wed, 2014-11-26 at 21:59 -0800, Hisashi T Fujinaka wrote:
> > I'm pretty sure those double reads are there for a reason, so most of
> > this I'm going to have to check on Monday. We have a long holiday
> > weekend here in the US.
> [...]
> 
> If there were double register reads being replaced with single register
> reads, I'd agree this was likely to introduce a regression.  But all I
> see is var = er32(REG) being changed to er32(REG).

no, double register reads are not modified. only the unused variables are removed.

thanks
sudip

> 
> Ben.
> 
> -- 
> Ben Hutchings
> The world is coming to an end.	Please log off.


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