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Date:   Mon, 21 Nov 2022 16:38:27 +0100
From:   Borislav Petkov <bp@alien8.de>
To:     Jiaxi Chen <jiaxi.chen@linux.intel.com>
Cc:     Dave Hansen <dave.hansen@intel.com>, kvm@vger.kernel.org,
        tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com,
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Subject: Re: [PATCH v4 1/6] x86: KVM: Advertise CMPccXADD CPUID to user space
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On Mon, Nov 21, 2022 at 10:46:21PM +0800, Jiaxi Chen wrote:
> Features which has been enabled in kernel usually should be added to
> /proc/cpuinfo.

No, pls read this first: Documentation/x86/cpuinfo.rst

If something's not clear, we will extend it so that it is.

/proc/cpuinfo - a user ABI - is not a dumping ground for CPUID bits.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette