Re: [RFC PATCH 36/41] KVM: x86/pmu: Intercept FIXED_CTR_CTRL MSR

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On Fri, Jan 26, 2024, Xiong Zhang wrote:
> From: Xiong Zhang <xiong.y.zhang@xxxxxxxxx>
> 
> Fixed counters control MSR are still intercepted for the purpose of
> security, i.e., preventing guest from using unallowed Fixed Counter
> to steal information or take advantages of any CPU errata.

Same comments as earlier patches.  Don't introduce bugs and then immediately fix
said bugs.




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