netdev - Re: [PATCH v4] tcp: harmonize tcp_vx

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Date:	Wed, 13 Jan 2010 16:53:23 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	William Allen Simpson <william.allen.simpson@...il.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Linux Kernel Developers <linux-kernel@...r.kernel.org>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>,
	Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: [PATCH v4] tcp: harmonize tcp_vx_rcv header length assumptions

On Wed, Jan 13, 2010 at 10:36:39AM -0500, William Allen Simpson wrote:
> Andi Kleen wrote:
>> It's difficult to benchmark this code, but did you check that the code 
>> shrinks after applying this patch at least?
>>
> Good question.  Only on a gross scale with ls -l.
>
> Before: 332612
> After:  332384

size is better.

>
> I've just spent an hour Googling and then trying to decipher the make file
> looking for a standard way to generate the -S (.s output), but no joy.
>
> What make command would you suggest to get the interleaved asm?

make path/to/file.lst

(or .S -- you might need uptodate binutils if the lst listing is messed up)

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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