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From: Adrian Bunk <bunk@fs.tum.de>
To: Diego Calleja <grundig@teleline.es>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [2.6 patch] disallow DRM on 386
Date: Wed, 21 Jan 2004 00:03:14 +0100	[thread overview]
Message-ID: <20040120230313.GA6441@fs.tum.de> (raw)
In-Reply-To: <20040120234403.73be7b2a.grundig@teleline.es>

On Tue, Jan 20, 2004 at 11:44:03PM +0100, Diego Calleja wrote:
> El Tue, 20 Jan 2004 22:24:21 +0100 Adrian Bunk <bunk@fs.tum.de> escribió:
> 
> > I got the following compile error in 2.6.1-mm5 with X86_CMPXCHG=n.
> > This problem is not specific to -mm, and it always occurs when you 
> > include support for the 386 cpu (oposed to the 486 or later cpus) since 
> > in this case X86_CMPXCHG=n and therefoore cmpxchg isn't defined in 
> > include/asm-i386/system.h .
> > 
> > The patch below disallows DRM if X86_CMPXCHG=n.
> 
> I got a "cmpxchg not defined" error when compiling the drm stuff in -mm5.
> When I looked at the configuration, I saw that all the cpus types had been selected
> (I didn't even realize of your stuuf and menuconfig put the defaults). I removed
> all types of cpus except PIII and it compiled.

Yup, that's exactly the problem.

Selecting CPU_386 in -mm4 or -mm5 or selecting M386 in other kernels 
triggers it.

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:[~2004-01-20 23:03 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-01-20 21:24 [2.6 patch] disallow DRM on 386 Adrian Bunk
2004-01-20 22:44 ` Diego Calleja
2004-01-20 23:03   ` Adrian Bunk [this message]
2004-01-20 23:31     ` Andrew Morton
2004-01-21  0:37       ` Adrian Bunk
2004-01-21  0:04 ` [Dri-devel] " Alan Cox
2004-01-21  0:28   ` Adrian Bunk
2004-01-21 17:56     ` Alan Cox

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