linux-kernel - Re: [PATCHv6 01/16] x86/cpu: Enumerate the LASS feature bits

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Message-ID: <98703493-109a-4795-8abd-6cfe10b941f4@zytor.com>
Date: Fri, 20 Jun 2025 09:12:23 -0700
From: Xin Li <xin@...or.com>
To: Randy Dunlap <rdunlap@...radead.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
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Subject: Re: [PATCHv6 01/16] x86/cpu: Enumerate the LASS feature bits

On 6/20/2025 9:02 AM, Randy Dunlap wrote:
>> +config X86_DISABLED_FEATURE_LASS
>> +	def_bool y
>> +	depends on !X86_64
> Please explain why this is   !X86_64.

When NOT on X86_64, the LASS code should not be compiled.

But first of all, as I replied earlier, X86_DISABLED_FEATURE_LASS is
completely not needed.

Thanks!
     Xin