Re: This kernel requires the following features not present on theCPU... (on a VIA C7 CPU)

[Simon Arlott]

On 17/05/07 21:15, H. Peter Anvin wrote:
> Simon Arlott wrote:
> > Is it automatic? I have CONFIG_X86_CMPXCHG=y without cx8 showing in
> > cpuinfo, and it appears to work fine.
> >
> > Will your changes needlessly prevent the kernel running? Would I be
> > right in thinking that the kernel is successfully using cmpxchg even
> > though it's considered disabled? I realise people compile kernels for
> > the wrong CPU but preventing them working when it's been chosen
> > correctly seems wrong.
>
> CX8 isn't cmpxchg; it's cmpxchg8b.

Ok, but I have CONFIG_X86_CMPXCHG64=y too.

--
Simon Arlott
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