linux-kernel - Re: [PATCH] avoid ifdefs in desc.h, getting rid of pack_ldt and pack

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Date:	Thu, 13 Dec 2007 13:26:29 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Glauber de Oliveira Costa <gcosta@...hat.com>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	glommer@...il.com, tglx@...utronix.de, ehabkost@...hat.com,
	jeremy@...p.org, avi@...ranet.com, anthony@...emonkey.ws,
	virtualization@...ts.linux-foundation.org, rusty@...tcorp.com.au,
	ak@...e.de, chrisw@...s-sol.org, rostedt@...dmis.org,
	zach@...are.com, roland@...hat.com
Subject: Re: [PATCH] avoid ifdefs in desc.h, getting rid of pack_ldt and	pack_tss

Ingo Molnar wrote:
> 
>> could we _please_ use basic tools as vmlinux size comparison and 
>> objcompare when unifying, to make sure it's a 100% identity 
>> conversion?
> 
> case in point, the patch claims:
> 
>>> No functional change is made.
> 
> but vmlinux before/after size comparison shows:
> 
>     text    data     bss     dec     hex filename
>  8802894 1224910 3526656 13554460         ced31c vmlinux.before
>  8803042 1224910 3526656 13554608         ced3b0 vmlinux.after
> 

Well, "no functional changes" is not quite the same thing as "no object 
code changes".

	-hpa
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