On 2018-03-22 08:24, okaya@xxxxxxxxxxxxxx wrote:
On 2018-03-22 02:44, kbuild test robot wrote:
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
Jason,
Can you remove the writeq change if it is too late for me to fix?
This is an infrastructural issue on xtensa arch.
Probably, it won't get fixed today.
AFAIS, even writeq won't compile on this arch. I started questioning
this build test.
Sinan
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
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