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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-20180322]
[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: i386-allyesconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

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 'write_pnet'? [-Werror=implicit-function-declaration]
writeq_relaxed(*src, dst);
^~~~~~~~~~~~~~
write_pnet
cc1: some warnings being treated as errors
--
In file included from drivers/infiniband/hw/cxgb4/iw_cxgb4.h:73:0,
from drivers/infiniband/hw/cxgb4/cm.c:53:
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 'rt6_release'? [-Werror=implicit-function-declaration]
writeq_relaxed(*src, dst);
^~~~~~~~~~~~~~
rt6_release
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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