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    SubjectRe: 2.6.25.4-rt2 compile errors on ARM due to cmpxchg() problems.

    On Tue, 20 May 2008, Remy Bohmer wrote:

    > Hello Steven,
    >
    > I want to test 2.6.25.4-rt2 on ARM, but unfortunately I run into
    > several compile errors.
    > All errors seem to be related to cmpxchg routines -> duplicate
    > definitions or missing BUILD_BUG_ON() or typecheck() macros.
    > I already figured out the missing BUILD_BUG_ON() + typecheck() problem
    > which is caused by including a header
    > 'include/asm-generic/cmpxchg-local.h' in linux/kernel.h before these
    > macros are defined in linux/kernel.h. See below for a piece/snippet of
    > the compiler output.
    >
    > Looking deeper into this, things look quite messy around cmpxchg() on ARM...
    >
    > Any ideas what has been changed here, and why these things can go
    > wrong so badly?
    >

    No idea right off the bat. But I may be needing to set up a ARM
    crosscompiler. Unless Thomas would like to take a look into this.

    Thomas?

    -- Steve



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