9:19 p.m.
tree: https://github.com/zen-kernel/zen-kernel 5.13/futex2
head: 67f7da92d1cb45a815c7046f8719942a728216d0
commit: 16c6deba3504c19acf820b765762adf60a53d9d2 [4/5] futex2: Add sysfs entry for syscall
numbers
config: arc-buildonly-randconfig-r006-20210709 (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
#
https://github.com/zen-kernel/zen-kernel/commit/16c6deba3504c19acf820b765...
git remote add zen-kernel-zen-kernel https://github.com/zen-kernel/zen-kernel
git fetch --no-tags zen-kernel-zen-kernel 5.13/futex2
git checkout 16c6deba3504c19acf820b765762adf60a53d9d2
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross O=build_dir
ARCH=arc SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
In file included from arch/arc/include/uapi/asm/unistd.h:31,
from include/uapi/linux/unistd.h:8,
from include/linux/syscalls.h:83,
from kernel/futex2.c:8:
include/uapi/asm-generic/unistd.h:879: warning: "__NR_futex_wait" redefined
879 | #define __NR_futex_wait 449
|
include/uapi/asm-generic/unistd.h:875: note: this is the location of the previous
definition
875 | #define __NR_futex_wait 447
|
kernel/futex2.c: In function 'waitv_show':
> kernel/futex2.c:450:30: error: '__NR_futex_waitv'
undeclared (first use in this function); did you mean 'sys_futex_waitv'?
450 | return sprintf(buf, "%u\n", __NR_futex_waitv);
| ^~~~~~~~~~~~~~~~
| sys_futex_waitv
kernel/futex2.c:450:30: note: each undeclared identifier is reported only once for each
function it appears in
kernel/futex2.c:452:1: error: control reaches end of non-void function
[-Werror=return-type]
452 | }
| ^
In file included from include/linux/perf_event.h:25,
from include/linux/trace_events.h:10,
from include/trace/syscall.h:7,
from include/linux/syscalls.h:87,
from kernel/futex2.c:8:
At top level:
arch/arc/include/asm/perf_event.h:126:23: warning: 'arc_pmu_cache_map' defined
but not used [-Wunused-const-variable=]
126 | static const unsigned arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
| ^~~~~~~~~~~~~~~~~
arch/arc/include/asm/perf_event.h:91:27: warning: 'arc_pmu_ev_hw_map' defined
but not used [-Wunused-const-variable=]
91 | static const char * const arc_pmu_ev_hw_map[] = {
| ^~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +450 kernel/futex2.c
446
447 static ssize_t waitv_show(struct kobject *kobj, struct kobj_attribute *attr,
448 char *buf)
449 {
450 return sprintf(buf, "%u\n", __NR_futex_waitv);
451
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org