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From: Adrian Bunk <bunk@stusta.de>
To: linux-kernel@vger.kernel.org
Subject: Re: [2.6 patch] remove support for gcc < 3.2
Date: Thu, 4 Aug 2005 22:38:31 +0200	[thread overview]
Message-ID: <20050804203831.GD4029@stusta.de> (raw)
In-Reply-To: <20050804065447.GB25606@lug-owl.de>

On Thu, Aug 04, 2005 at 08:54:47AM +0200, Jan-Benedict Glaw wrote:
>...
> Current GCC from CVS (plus minor configury patches) seems to work. We
> had -fno-unit-at-a-time missing in our arch Makefile which hides a bug
> in kernel's sources.
> 
> I guess that if you remove -fno-unit-at-a-time from i386 and use a
> current GCC, you'll run into that fun, too.

What bug exactly?

I'm sometimes using kernels compiled with gcc 4.0 and without 
-fno-unit-at-a-time and except for the kernel image being smaller I 
haven't noticed any difference. Besides this, all architectures except 
i386 and um are not disabling unit-at-a-time.

There are a few parts of the kernel that might still have stack problems 
with unit-at-a-time, but I assume that's not what you are talking about?

> MfG, JBG
>...

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:[~2005-08-04 20:42 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-31 22:26 [2.6 patch] remove support for gcc < 3.2 Adrian Bunk
2005-07-31 22:36 ` David S. Miller
2005-07-31 23:08   ` Nigel Cunningham
2005-08-07 16:25   ` Denis Vlasenko
2005-08-10 19:40   ` Bill Davidsen
2005-08-11  0:02     ` Joe
2005-08-11  0:05       ` David S. Miller
2005-08-13  3:27       ` Bill Davidsen
2005-08-01  3:01 ` [2.6 patch] " Kurt Wall
2005-08-02  5:37   ` Willy Tarreau
2005-08-01  4:27 ` Miles Bader
2005-08-02 21:46 ` Jan-Benedict Glaw
2005-08-03  2:08 ` Gustavo Guillermo Pérez
2005-08-04  0:53   ` Mathieu Chouquet-Stringer
2005-08-04 20:34     ` networking problems when using gcc 4.0.1 Adrian Bunk
2005-08-04  1:34 ` [2.6 patch] remove support for gcc < 3.2 Dave Airlie
2005-08-04  6:54   ` Jan-Benedict Glaw
2005-08-04 20:38     ` Adrian Bunk [this message]
2005-08-05 21:14       ` Jan-Benedict Glaw
2005-08-05 21:30         ` Martin Drab
2005-08-05 21:37           ` Jan-Benedict Glaw
2005-08-13  9:21       ` Jan-Benedict Glaw
2005-08-12  7:40     ` Geert Uytterhoeven
2005-08-12 10:40       ` Maciej W. Rozycki
2005-08-12 12:29       ` Jan-Benedict Glaw

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