10:23 p.m.
Hi Zhen,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/sched/core]
[also build test ERROR on linus/master kees/for-next/pstore v5.17-rc4]
[cannot apply to next-20220214]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Zhen-Ni/sched-Move-a-series-of-s...
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
3624ba7b5e2acc02b01301ea5fd3534971eb9896
config: hexagon-randconfig-r033-20220214
(https://download.01.org/0day-ci/archive/20220215/202202151705.Uez40mBM-lk...)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project
37f422f4ac31c8b8041c6b62065263314282dab6)
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/0day-ci/linux/commit/f93266963b3b3629980fa3384a5e37fd1...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Zhen-Ni/sched-Move-a-series-of-sysctls-starting-with-sys-kernel-sched_/20220215-132416
git checkout f93266963b3b3629980fa3384a5e37fd13f4c350
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir
ARCH=hexagon SHELL=/bin/bash kernel/rcu/
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 >>):
kernel/rcu/rcutorture.c:380:16: warning: variable 'started' set but not used
[-Wunused-but-set-variable]
unsigned long started;
^
kernel/rcu/rcutorture.c:381:16: warning: variable 'completed' set but not used
[-Wunused-but-set-variable]
unsigned long completed;
^
kernel/rcu/rcutorture.c:384:21: warning: variable 'ts' set but not used
[-Wunused-but-set-variable]
unsigned long long ts;
^
> kernel/rcu/rcutorture.c:921:19: error: use of undeclared
identifier 'sysctl_sched_rt_runtime'; did you mean
'sysctl_sched_rr_timeslice'?
old_rt_runtime =
sysctl_sched_rt_runtime;
^~~~~~~~~~~~~~~~~~~~~~~
sysctl_sched_rr_timeslice
include/linux/sched/sysctl.h:37:12: note: 'sysctl_sched_rr_timeslice' declared
here
extern int sysctl_sched_rr_timeslice;
^
kernel/rcu/rcutorture.c:922:2: error: use of undeclared identifier
'sysctl_sched_rt_runtime'
sysctl_sched_rt_runtime = -1;
^
kernel/rcu/rcutorture.c:930:2: error: use of undeclared identifier
'sysctl_sched_rt_runtime'
sysctl_sched_rt_runtime = old_rt_runtime;
^
kernel/rcu/rcutorture.c:1620:21: warning: variable 'ts' set but not used
[-Wunused-but-set-variable]
unsigned long long ts;
^
4 warnings and 3 errors generated.
vim +921 kernel/rcu/rcutorture.c
450efca7182a516 Joel Fernandes (Google 2018-06-10 909)
450efca7182a516 Joel Fernandes (Google 2018-06-10 910) static void
rcu_torture_disable_rt_throttle(void)
450efca7182a516 Joel Fernandes (Google 2018-06-10 911) {
450efca7182a516 Joel Fernandes (Google 2018-06-10 912) /*
450efca7182a516 Joel Fernandes (Google 2018-06-10 913) * Disable RT throttling so that
rcutorture's boost threads don't get
450efca7182a516 Joel Fernandes (Google 2018-06-10 914) * throttled. Only possible if
rcutorture is built-in otherwise the
450efca7182a516 Joel Fernandes (Google 2018-06-10 915) * user should manually do this
by setting the sched_rt_period_us and
450efca7182a516 Joel Fernandes (Google 2018-06-10 916) * sched_rt_runtime sysctls.
450efca7182a516 Joel Fernandes (Google 2018-06-10 917) */
450efca7182a516 Joel Fernandes (Google 2018-06-10 918) if
(!IS_BUILTIN(CONFIG_RCU_TORTURE_TEST) || old_rt_runtime != -1)
450efca7182a516 Joel Fernandes (Google 2018-06-10 919) return;
450efca7182a516 Joel Fernandes (Google 2018-06-10 920)
450efca7182a516 Joel Fernandes (Google 2018-06-10 @921) old_rt_runtime =
sysctl_sched_rt_runtime;
450efca7182a516 Joel Fernandes (Google 2018-06-10 922) sysctl_sched_rt_runtime = -1;
450efca7182a516 Joel Fernandes (Google 2018-06-10 923) }
450efca7182a516 Joel Fernandes (Google 2018-06-10 924)
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org