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    SubjectRe: [PATCH v2] x86: Early-boot serial I/O support
    On 07/10/2010 02:55 PM, Cyrill Gorcunov wrote:
    >> I rather wonder -- can't we use cpu_relax() from processor.h? Or there
    >> is some type conflicts?

    H. Peter Anvin wrote:
    > Probably. The boot environment is pretty different, and not sharing
    > header files where we don't need to because of shared data structures is
    > probably a good idea.

    I did try it but got bunch of compile errors and figured I was not
    supposed to use it.

    Pekka


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