linux-kernel - Re: [PATCH v2 0/4] Add support for compiling with -ffunction-sections -fdata-sections

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Message-ID: <49ED2088.9090703@zytor.com>
Date:	Mon, 20 Apr 2009 18:25:28 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Tim Abbott <tabbott@....EDU>,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Anders Kaseorg <andersk@....EDU>,
	Waseem Daher <wdaher@....EDU>,
	Denys Vlasenko <vda.linux@...glemail.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Andi Kleen <andi@...stfloor.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Jeff Arnold <jbarnold@....EDU>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jon Masters <jonathan@...masters.org>
Subject: Re: [PATCH v2 0/4] Add support for compiling with -ffunction-sections
 -fdata-sections

Linus Torvalds wrote:
> 
> Are there any advantages outside of the size things?
> 
> Do we end up packing data better? 
> 
> I'd like to have some more champions of this code, in other words.
> 
> I'd be ok with merging it, but I haven't really gotten a strong feeling 
> that anybody is going to enable it or use it.
> 

It may be a long haul to get people to actually use it, but there is a
fairly major advantage near the end, and that is that we can structure
the source code in a way that makes sense for reading it, rather than
what will end up using what.

Assuming it does work correctly.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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