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    SubjectRe: [PATCH v3 3/3] printk: use the lockless ringbuffer
    Hi John,

    Thank you for the patch! Perhaps something to improve:

    [auto build test WARNING on linux/master]
    [also build test WARNING on linus/master v5.8-rc1 next-20200618]
    [cannot apply to pmladek/for-next]
    [If your patch is applied to the wrong git tree, kindly drop us a note.
    And when submitting patch, we suggest to use as documented in
    https://git-scm.com/docs/git-format-patch]

    url: https://github.com/0day-ci/linux/commits/John-Ogness/printk-replace-ringbuffer/20200618-225239
    base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1b5044021070efa3259f3e9548dc35d1eb6aa844
    config: x86_64-randconfig-s021-20200618 (attached as .config)
    compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
    reproduce:
    # apt-get install sparse
    # sparse version: v0.6.2-rc1-10-gc17b1b06-dirty
    # save the attached .config to linux build tree
    make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

    If you fix the issue, kindly add following tag as appropriate
    Reported-by: kernel test robot <lkp@intel.com>


    sparse warnings: (new ones prefixed by >>)

    kernel/printk/printk.c:397:1: sparse: sparse: symbol 'log_wait' was not declared. Should it be static?
    >> kernel/printk/printk.c:437:1: sparse: sparse: symbol '_printk_rb_static_dict' was not declared. Should it be static?

    Please review and possibly fold the followup patch.

    ---
    0-DAY CI Kernel Test Service, Intel Corporation
    https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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