From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Adrian Bunk <bunk@fs.tum.de>
Cc: DRI Devel <dri-devel@lists.sourceforge.net>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [Dri-devel] [2.6 patch] disallow DRM on 386
Date: Wed, 21 Jan 2004 17:56:10 +0000 [thread overview]
Message-ID: <1074707769.25859.37.camel@dhcp23.swansea.linux.org.uk> (raw)
In-Reply-To: <20040121002827.GG6441@fs.tum.de>
On Mer, 2004-01-21 at 00:28, Adrian Bunk wrote:
> > Fix system.h to always define cmpxchg.h and check its presence at
> > runtime when the DRM module loads, then you can build 386 kernels that
> > support DRI on higher machines.
> >
> > The problem isnt that cmpxchg definitely doesn't exist, so system.h is
> > wrong IMHO
>
> ???
>
> AFAIR cmpxchg wasn't present in cpus earlier than the 486.
This is not relevant to the discussion assuming you are talking about
kernels for 386 and higher as well as kernels solely for Intel 386. If
the kernel is for 386 and higher then the DRI modules should be built
but should check for cmpxchg at run time - as we do with many other
CPU features
prev parent reply other threads:[~2004-01-21 18:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-20 21:24 Adrian Bunk
2004-01-20 22:44 ` Diego Calleja
2004-01-20 23:03 ` Adrian Bunk
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 [this message]
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