Andi Kleen wrote:
>
> I don't think it's a good idea for the TSC. There are various
> setups where it is unreliable and also often simulators don't
> implement it correctly. And it's always a valuable workaround
> to be able to turn it off.
>
For all I can tell, if this is the case, then CONFIG_X86_TSC should be
removed completely. We still support the TSC when CONFIG_X86_TSC is not
compiled in; that attribute controls if it is unconditionally required.
(We seem to still not always use it, which may be a good indication that
CONFIG_X86_TSC has outlived its usefulness. Should it be removed?)
-hpa
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