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Subject: Re: [PATCH v5 13/19] x86/cpufeatures: Add flag to track whether MSR
 IA32_FEAT_CTL is configured
To:     Sean Christopherson <sean.j.christopherson@intel.com>
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From:   Jacob Keller <jacob.e.keller@intel.com>
Organization: Intel Corporation
Message-ID: <9a0a7373-f469-f2ae-c218-5821f805f0d8@intel.com>
Date:   Wed, 26 Feb 2020 13:03:01 -0800
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On 2/26/2020 12:57 PM, Sean Christopherson wrote:
> Bummer.  Using clear_cpu_cap() instead of setup_clear_cpu_cap() was me
> being fancy and trying to allow KVM to identify the case where VMX is
> available and configured on some CPUs but not all.  I'll work on a fix.
> 
Hmm. Right. For that to work, you'd need to make this disabling happen
significantly later, and/or fix setup_pku to somehow honor this properly.

But it looks like rdmsr is global and not tied to a given CPU anyways?

Thanks,
Jake