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    SubjectRe: [PATCH v4 4/6] infiniband: cxgb4: Eliminate duplicate barriers on weakly-ordered archs
    Hi Sinan,

    Thank you for the patch! Yet something to improve:

    [auto build test ERROR on linus/master]
    [also build test ERROR on v4.16-rc6 next-20180321]
    [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/Sinan-Kaya/ib-Eliminate-duplicate-barriers-on-weakly-ordered-archs/20180321-091659
    config: xtensa-allyesconfig (attached as .config)
    compiler: xtensa-linux-gcc (GCC) 7.2.0
    reproduce:
    wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
    chmod +x ~/bin/make.cross
    # save the attached .config to linux build tree
    make.cross ARCH=xtensa

    All errors (new ones prefixed by >>):

    In file included from drivers/infiniband/hw/cxgb4/iw_cxgb4.h:73:0,
    from drivers/infiniband/hw/cxgb4/device.c:40:
    drivers/infiniband/hw/cxgb4/t4.h: In function 'pio_copy':
    >> drivers/infiniband/hw/cxgb4/t4.h:460:3: error: implicit declaration of function 'writeq_relaxed'; did you mean 'writel_relaxed'? [-Werror=implicit-function-declaration]
    writeq_relaxed(*src, dst);
    ^~~~~~~~~~~~~~
    writel_relaxed
    cc1: some warnings being treated as errors

    vim +460 drivers/infiniband/hw/cxgb4/t4.h

    450
    451 /* This function copies 64 byte coalesced work request to memory
    452 * mapped BAR2 space. For coalesced WRs, the SGE fetches data
    453 * from the FIFO instead of from Host.
    454 */
    455 static inline void pio_copy(u64 __iomem *dst, u64 *src)
    456 {
    457 int count = 8;
    458
    459 while (count) {
    > 460 writeq_relaxed(*src, dst);
    461 src++;
    462 dst++;
    463 count--;
    464 }
    465 }
    466

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