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    SubjectRe: Build regressions/improvements in v3.0-rc5 (xfs on cris)
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    On Thu, Jun 30, 2011 at 5:24 AM, Christoph Hellwig <hch@infradead.org> wrote:
    > On Wed, Jun 29, 2011 at 02:21:06PM -0700, Randy Dunlap wrote:
    >> Looks like arch/cris does not support atomic64_t.  (?)
    >>
    >> Should we prevent xfs from being built on arch/cris?
    >
    > Or nuke cris until it's able to at least include an asm-generic header?
    >

    Not that simple. Take a look at lib/atomic64_test.c, it said:

    #if defined(CONFIG_X86) || defined(CONFIG_MIPS) || defined(CONFIG_PPC) || \
    defined(CONFIG_S390) || defined(_ASM_GENERIC_ATOMIC64_H) ||
    defined(CONFIG_ARM)
    ...
    #else
    #warning Please implement atomic64_dec_if_positive for your
    architecture, and add it to the IF above
    #endif

    So cris at least needs to implement atomic64_dec_if_positive()...
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