linux-kernel - Re: [PATCH V8 06/44] mm/pkeys: Add Kconfig options for PKS

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Date:   Fri, 28 Jan 2022 16:06:29 -0800
From:   Dave Hansen <dave.hansen@...el.com>
To:     ira.weiny@...el.com, Dave Hansen <dave.hansen@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Dan Williams <dan.j.williams@...el.com>
Cc:     Fenghua Yu <fenghua.yu@...el.com>,
        Rick Edgecombe <rick.p.edgecombe@...el.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V8 06/44] mm/pkeys: Add Kconfig options for PKS

On 1/27/22 09:54, ira.weiny@...el.com wrote:
> @@ -1867,6 +1867,7 @@ config X86_INTEL_MEMORY_PROTECTION_KEYS
>  	depends on X86_64 && (CPU_SUP_INTEL || CPU_SUP_AMD)
>  	select ARCH_USES_HIGH_VMA_FLAGS
>  	select ARCH_HAS_PKEYS
> +	select ARCH_HAS_SUPERVISOR_PKEYS

For now, this should be:

	select ARCH_HAS_SUPERVISOR_PKEYS if CPU_SUP_INTEL

unless the AMD folks speak up and say otherwise. :)