netdev - Re: [PATCH v2] net: ppp: use {get,put}_unaligned

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Message-Id: <20110107.171534.193718114.davem@davemloft.net>
Date:	Fri, 07 Jan 2011 17:15:34 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	xiaosuo@...il.com
Cc:	paulus@...ba.org, harvey.harrison@...il.com,
	linux-ppp@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v2] net: ppp: use {get,put}_unaligned_be{16,32}

From: Changli Gao <xiaosuo@...il.com>
Date: Sat, 8 Jan 2011 08:43:01 +0800

> On Fri, Jan 7, 2011 at 11:01 AM, Paul Mackerras <paulus@...ba.org> wrote:
>> On Fri, Jan 07, 2011 at 07:37:36AM +0800, Changli Gao wrote:
>>
>>> Signed-off-by: Changli Gao <xiaosuo@...il.com>
>>
>> This patch description is inadequate.  It should tell us why you are
>> making this change.  Does it result in smaller and/or faster code, and
>> if so by how much on what sort of machine?  Do you think it makes the
>> code clearer?  (I don't.)  Or is there some other motivation for this?
>>
> 
> Good designed APIs always make code clearer, smaller and faster. It is
> obvious enough I think.

I have to say that every time I go read the header parsing code in the
PPP driver, I absolutely regret it.

And Changli's patch fixes some of the readability problems.
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