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SubjectRE: [tip:x86/mm] x86/pat: Avoid contention on cpa_lock if possible
Ido Yariv [] wrote:

> The synthetic CPUID bit approach has the advantage of setting this bit
> from the platform initialization code independently (in this case, in
> vsmp_64.c) instead of calling platform specific functions from
> pageattr.c (such as is_vsmp_box()) or exporting the static_key variable.
> We'll give this a shot and send a revised patch after testing it.
> Sounds good?

I can support that. Let's get this ready.

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