On Wed, Jan 21, 2004 at 12:04:59AM +0000, Alan Cox wrote:
> On Maw, 2004-01-20 at 21:24, Adrian Bunk wrote:
> > 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.
>
> Ugly.
>
> 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.
cu
Adrian
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of the darkness. There had been need of rain for many days.
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