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