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    SubjectRe: [PATCH v14 1/5] lib/xbitmap: Introduce xbitmap
    Hi Matthew,

    [auto build test WARNING on linus/master]
    [also build test WARNING on v4.13-rc5 next-20170817]
    [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/Wei-Wang/lib-xbitmap-Introduce-xbitmap/20170820-035516
    config: i386-tinyconfig (attached as .config)
    compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
    reproduce:
    # save the attached .config to linux build tree
    make ARCH=i386

    All warnings (new ones prefixed by >>):

    lib/xbitmap.c: In function 'xb_test_bit':
    >> lib/xbitmap.c:153:26: warning: passing argument 1 of 'xb_bit_ops' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
    return (bool)xb_bit_ops(xb, bit, XB_TEST);
    ^~
    lib/xbitmap.c:23:12: note: expected 'struct xb *' but argument is of type 'const struct xb *'
    static int xb_bit_ops(struct xb *xb, unsigned long bit, enum xb_ops ops)
    ^~~~~~~~~~

    vim +153 lib/xbitmap.c

    142
    143 /**
    144 * xb_test_bit - test a bit in the xbitmap
    145 * @xb: the xbitmap tree used to record the bit
    146 * @bit: index of the bit to set
    147 *
    148 * This function is used to test a bit in the xbitmap.
    149 * Returns: 1 if the bit is set, or 0 otherwise.
    150 */
    151 bool xb_test_bit(const struct xb *xb, unsigned long bit)
    152 {
    > 153 return (bool)xb_bit_ops(xb, bit, XB_TEST);
    154 }
    155 EXPORT_SYMBOL(xb_test_bit);
    156

    ---
    0-DAY kernel test infrastructure Open Source Technology Center
    https://lists.01.org/pipermail/kbuild-all Intel Corporation
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