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From: Adrian Bunk <bunk@stusta.de>
To: David Lang <david.lang@digitalinsight.com>
Cc: christos gentsis <christos_gentsis@yahoo.co.uk>,
	linux-kernel@vger.kernel.org
Subject: Re: kernel optimization
Date: Fri, 22 Jul 2005 22:15:03 +0200	[thread overview]
Message-ID: <20050722201503.GN3160@stusta.de> (raw)
In-Reply-To: <Pine.LNX.4.62.0507221250450.23492@qynat.qvtvafvgr.pbz>

On Fri, Jul 22, 2005 at 12:52:22PM -0700, David Lang wrote:

> This is a airly frequent question
> 
> the short answer is 'don't try'
> 
> the longer answer is that all the additional optimization options that are 
> part of O3+ are considered individually and if they make sense for the 
> kernel they are explicitly enabled (in some cases the optimizations need 
> to be explicitly turned off for proper functionality of the kernel under 
> all versions of GCC)

As far as I can see, none of the additional optimizations with -O3 is 
enabled in the kernel.

> David Lang

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed


  reply	other threads:[~2005-07-22 20:15 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-22 18:55 kernel optimization christos gentsis
2005-07-22 19:52 ` David Lang
2005-07-22 20:15   ` Adrian Bunk [this message]
2005-07-22 20:14 ` Adrian Bunk
2005-07-22 21:11   ` christos gentsis
2005-07-23 14:34     ` Simon Strandman
2005-07-23  5:35   ` Al Boldi
2005-07-23  6:30   ` cutaway
2005-07-23 19:50     ` Alan Cox
2005-07-23 22:03       ` cutaway
     [not found] <200507231849.j6NInMPO003728@laptop11.inf.utfsm.cl>
2005-07-26  5:22 ` Al Boldi
2005-07-26  9:22   ` Adrian Bunk
  -- strict thread matches above, loose matches on Subject: below --
2005-07-27  3:53 Al Boldi
2005-07-27  4:20 ` Lee Revell

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