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    SubjectRe: [RFC 00/15] x86_64: Optimize percpu accesses
    H. Peter Anvin wrote:
    > Hi Mike,
    > Did the suspected linker bug issue ever get resolved?
    > -hpa

    Hi Peter,

    I was not able to figure out how the two versions of the same
    kernel compiled by gcc-4.2.0 and gcc-4.2.4 differed. Currently,
    I'm sticking with gcc-4.2.4 as it boots much farther.

    There still is a problem where if I bump THREAD_ORDER, the
    problem goes away and everything so far that I've tested boots
    up fine.

    We tried to install a later gcc (4.3.1) that might have the
    "GCC_HAS_SP" flag but our sys admin reported:

    The 4.3.1 version gives me errors on the make. I had to
    pre-install gmp and mpfr, but, I still get errors on the make.

    I think that was the latest he found on the GNU/GCC site.


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