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    SubjectRe: [PATCH v6] x86/hpet: Reduce HPET counter read contention
    Hi Waiman,

    [auto build test ERROR on tip/auto-latest]
    [also build test ERROR on v4.8-rc1 next-20160812]
    [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

    url: https://github.com/0day-ci/linux/commits/Waiman-Long/x86-hpet-Reduce-HPET-counter-read-contention/20160813-090247
    config: x86_64-randconfig-s0-08131002 (attached as .config)
    compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
    reproduce:
    # save the attached .config to linux build tree
    make ARCH=x86_64

    All error/warnings (new ones prefixed by >>):

    >> arch/x86/kernel/hpet.c:791: error: unknown field 'lock' specified in initializer
    >> arch/x86/kernel/hpet.c:791: warning: missing braces around initializer
    arch/x86/kernel/hpet.c:791: warning: (near initialization for 'hpet.<anonymous>.lock.val')

    vim +/lock +791 arch/x86/kernel/hpet.c

    785 u32 value;
    786 };
    787 u64 lockval;
    788 };
    789
    790 static union hpet_lock hpet __cacheline_aligned = {
    > 791 .lock = __ARCH_SPIN_LOCK_UNLOCKED,
    792 };
    793
    794 static cycle_t read_hpet(struct clocksource *cs)

    ---
    0-DAY kernel test infrastructure Open Source Technology Center
    https://lists.01.org/pipermail/kbuild-all Intel Corporation
    [unhandled content-type:application/octet-stream]
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