linux-kernel - Re: [PATCH 03/07] kernel.h string cleanup

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Date:	Sat, 27 Feb 2010 17:55:00 +0800
From:	Dave Young <hidave.darkstar@...il.com>
To:	rostedt@...dmis.org
Cc:	Joe Perches <joe@...ches.com>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Frederic Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/07] kernel.h string cleanup

On Fri, Feb 26, 2010 at 10:27 PM, Steven Rostedt <rostedt@...dmis.org> wrote:
> On Fri, 2010-02-26 at 17:55 +0800, Dave Young wrote:
>
>> Spliting is necessary from my point of view.
>
>> with the patches applied:
>>
>> time:
>> real 15m16.504s
>> user 12m51.866s
>> sys 1m39.700s
>>
>> vmlinux .text size: 003bfcd2
>>
>> without the patches applied*
>> time:
>> real 15m20.518s
>> user 12m54.120s
>> sys 1m40.190s
>>
>> vmlinux .text size: 003bfcea
>
> Why the change in text size? If moving stuff around in headers affects
> the final result, I'm thinking that you did something wrong.

trace/printk/panic/string stuff just being moved to another head file,
then included
in kernel.h, so there shouldn't be difference with before.

So I guess it's the hexdump/int_sqrt head file which are removed from kernel.h?
>
> The merge for x86 did a lot of file manipulation, but Thomas and Ingo
> would always test that the binary result was the same. If the binary
> result is different, then something went wrong with the file
> manipulations.
>
> -- Steve
>
>
>
>



-- 
Regards
dave
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