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    SubjectRe: [PATCH RFC 0/6] Implement per-processor data areas for i386.

    > Something like that had to be done eventually about the inefficient
    > current_thread_info() mechanism,

    Inefficient? It's two fast instructions. I won't call that inefficient.

    > I guess it's due to having tried that on an older installation with gcc 3.2,
    > which probably does less efficient opcode merging of current_thread_info()
    > requests compared to a current gcc version.

    gcc normally doesn't merge inline assembly at all.

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