Re: [PATCH] x86: make clflush a required feature on x86_64

[Andi Kleen]

> Simulators can be fixed, 

They could, but why? I don't know of a good reason to require CLFLUSH.

> I just verified that Bochs 2.3.0 lacks this CPUID bit whereas the 
> current version, 2.3.6, enables CLFLUSH iff SSE2 is enabled.  Qemu 0.9.0 
> has CLFLUSH.  Andi, do you happen to know of any specific simulators 
> which are problematic?  I would assume any recent version of SimNow is 
> up to date.

I don't know of any specific ones that lack CLFLUSH, although Bochs
definitely had similar problems in the past.

-Andi
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