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    SubjectRe: [RFC 00/15] x86_64: Optimize percpu accesses
    Mike Travis <> writes:

    > Hi Eric,
    > There is one pda op that I was not able to remove. Most likely it can be
    > recoded
    > but it was a bit over my expertise. Most likely the "pda_offset(field)" can be
    > replaced with "per_cpu_var(field)" [per_cpu__##field], but for
    > "_proxy_pda.field"
    > I wasn't sure about.

    If you notice we never use %1. My reading would be we just have the +m
    there to tell the compiler we may be changing the field. So just
    a reference to the per_cpu_var directly should be sufficient. Although
    "memory" may actually be enough.


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