Messages in this thread | | | Date | Sat, 11 Sep 2021 14:22:16 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH peterz-queue:sched/core] sched: fix build warning with W=1 |
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On Sat, Sep 11, 2021 at 08:25:05AM +0000, Yafang Shao wrote: > kernel test robot reported some build warnings with W=1 as below, > > kernel/sched/fair.c:892:34: warning: variable 'stats' set but not used > kernel/sched/core.c:10238:42: warning: variable 'stats' set but not used > kernel/sched/fair.c:893:29: warning: variable 'p' set but not used > kernel/sched/rt.c:1292:29: warning: variable 'p' set but not used > kernel/sched/deadline.c:1486:34: warning: variable 'stats' set but not used > arch/nds32/include/asm/current.h:10:13: warning: variable '$r25' set but not used > > These warnings happen when CONFIG_SCHEDSTATS is not set, in which > case the schedstat_* functions will be none. We should add > '__maybe_unused' to fix it
I really hate all of this, I think the compiler is just being unhelpful in the extreme. Also, I spupose the warning is in W=1 for a reason, let's just completely ignore all of this.
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