* [peterz-queue:sched/eevdf 4/10] kernel/sched/fair.c:711: undefined reference to `__udivdi3'
@ 2023-03-03 16:41 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-03-03 16:41 UTC (permalink / raw)
To: Vincent Guittot; +Cc: oe-kbuild-all, Peter Zijlstra
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/eevdf
head: bc35f40661d8d25ce8cde6e26d5956237a3e61ae
commit: bc9954a8f79988472545aa668a0be0dc5a0cddf3 [4/10] sched/fair: Add latency_offset
config: i386-randconfig-a001 (https://download.01.org/0day-ci/archive/20230304/202303040023.GGyvAAAo-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=bc9954a8f79988472545aa668a0be0dc5a0cddf3
git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue sched/eevdf
git checkout bc9954a8f79988472545aa668a0be0dc5a0cddf3
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=i386 olddefconfig
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303040023.GGyvAAAo-lkp@intel.com/
All errors (new ones prefixed by >>):
ld: kernel/sched/fair.o: in function `calc_latency_offset':
>> kernel/sched/fair.c:711: undefined reference to `__udivdi3'
vim +711 kernel/sched/fair.c
705
706 long calc_latency_offset(int prio)
707 {
708 u32 weight = sched_prio_to_weight[prio];
709 u64 base = sysctl_sched_min_granularity;
710
> 711 return (base << SCHED_FIXEDPOINT_SHIFT) / weight;
712 }
713
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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2023-03-03 16:41 [peterz-queue:sched/eevdf 4/10] kernel/sched/fair.c:711: undefined reference to `__udivdi3' kernel test robot
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