On Fri, 14 Apr 2000, Alan Cox wrote:
> > > It reboots. Thats actually why the current 2.3.x code crashes if you have
> > > a very early Cyrix/TI 486DLC
> >
> > Is it possible to install a unknown instruction handler? Is it worth it?
>
> If you want to write the code then go for it. In theory you can check cpuid
> availability by toggling a bit in eflags, we do that already
I'd recommend against going through the trouble of doing this, unless
Linus has changed his mind recently. He didn't admit the code to detect
other older CPU's, so I can't see why he'd accept this.
> > Problem is though that nexgens with CPUID instruction ain't telling it to
> > the world using the CPUID feature flag :-} Not very smart - I agree,
> > but workaround exists. Any reasons not to work around this bug? Would it
> > cause something else not to work, or?
>
> Is there another way to detect nexgen and then try cpuid ?
/David Weinehall
_ _
// David Weinehall <tao@acc.umu.se> /> Northern lights wander \\
// Project MCA Linux hacker // Dance across the winter sky //
\> http://www.acc.umu.se/~tao/ </ Full colour fire </
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