Messages in this thread | | | Subject | Re: [kbuild-all] Re: [tip:sched/core 14/47] kernel/sched/fair.c:893:22: error: variable 'p' set but not used | From | "Chen, Rong A" <> | Date | Tue, 12 Oct 2021 22:31:01 +0800 |
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On 10/12/2021 7:26 PM, Peter Zijlstra wrote: > On Tue, Oct 12, 2021 at 11:57:41AM +0800, kernel test robot wrote: >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core >> head: b2d5b9cec60fecc72a13191c2c6c05acf60975a5 >> commit: 60f2415e19d3948641149ac6aca137a7be1d1952 [14/47] sched: Make schedstats helpers independent of fair sched class >> config: hexagon-buildonly-randconfig-r002-20211012 (attached as .config) >> compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c3dcf39554dbea780d6cb7e12239451ba47a2668) >> 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://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=60f2415e19d3948641149ac6aca137a7be1d1952 >> git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git >> git fetch --no-tags tip sched/core >> git checkout 60f2415e19d3948641149ac6aca137a7be1d1952 >> # save the attached .config to linux build tree >> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon >> >> If you fix the issue, kindly add following tag as appropriate >> Reported-by: kernel test robot <lkp@intel.com> >> >> All errors (new ones prefixed by >>): >> >> kernel/sched/fair.c:860:28: error: variable 'stats' set but not used [-Werror,-Wunused-but-set-variable] >> struct sched_statistics *stats; >> ^ >> kernel/sched/fair.c:892:27: error: variable 'stats' set but not used [-Werror,-Wunused-but-set-variable] >> struct sched_statistics *stats; >> ^ >>>> kernel/sched/fair.c:893:22: error: variable 'p' set but not used [-Werror,-Wunused-but-set-variable] >> struct task_struct *p = NULL; >> ^ >> kernel/sched/fair.c:910:22: error: variable 'p' set but not used [-Werror,-Wunused-but-set-variable] >> struct task_struct *p = NULL; >> ^ >> kernel/sched/fair.c:909:27: error: variable 'stats' set but not used [-Werror,-Wunused-but-set-variable] >> struct sched_statistics *stats; >> ^ >>>> kernel/sched/fair.c:936:22: error: variable 'tsk' set but not used [-Werror,-Wunused-but-set-variable] >> struct task_struct *tsk = NULL; >> ^ >> kernel/sched/fair.c:935:27: error: variable 'stats' set but not used [-Werror,-Wunused-but-set-variable] >> struct sched_statistics *stats; >> ^ >> kernel/sched/fair.c:4451:28: error: variable 'stats' set but not used [-Werror,-Wunused-but-set-variable] >> struct sched_statistics *stats; >> ^ >> 8 errors generated. > > Again, I have absolutely no intention of fixing this. IMO this is the > compiler being a total pain in the arse. > > Please stop reporting this.
Hi Peterz,
Sorry for the noise, we'll ignore the unused-but-set-variable warning in kernel/sched/ part. Is there any other issue should be ignored?
Best Regards, Rong Chen
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