tree: https://github.com/zen-kernel/zen-kernel 5.5/muqss head: bf569053d0fe08b3615793a0105afff3d28f3676 commit: c58e2d61f83d40ac72e858d41b3b277b345b9387 [1/22] MultiQueue Skiplist Scheduler v0.196. config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout c58e2d61f83d40ac72e858d41b3b277b345b9387 # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): kernel/sched/MuQSS.c: In function 'unlock_rq': kernel/sched/MuQSS.c:463:46: error: macro "spin_release" passed 3 arguments, but takes just 2 spin_release(&rq->lock->dep_map, 1, _RET_IP_); ^ kernel/sched/MuQSS.c:463:2: error: 'spin_release' undeclared (first use in this function); did you mean 'seq_release'? spin_release(&rq->lock->dep_map, 1, _RET_IP_); ^~~~~~~~~~~~ seq_release kernel/sched/MuQSS.c:463:2: note: each undeclared identifier is reported only once for each function it appears in kernel/sched/MuQSS.c: In function 'prepare_lock_switch': kernel/sched/MuQSS.c:2583:47: error: macro "spin_release" passed 3 arguments, but takes just 2 spin_release(&rq->lock->dep_map, 1, _THIS_IP_); ^ kernel/sched/MuQSS.c:2583:2: error: 'spin_release' undeclared (first use in this function); did you mean 'seq_release'? spin_release(&rq->lock->dep_map, 1, _THIS_IP_); ^~~~~~~~~~~~ seq_release In file included from include/asm-generic/percpu.h:7:0, from arch/arm64/include/asm/percpu.h:228, from arch/arm64/include/asm/smp.h:28, from include/linux/smp.h:68, from arch/arm64/include/asm/arch_timer.h:18, from arch/arm64/include/asm/timex.h:8, from include/linux/timex.h:65, from include/linux/clocksource.h:13, from include/linux/clockchips.h:14, from include/linux/tick.h:8, from include/linux/sched/isolation.h:6, from kernel/sched/MuQSS.c:35: kernel/sched/MuQSS.c: In function 'llc_core_cpumask': return per_cpu(cpu_llc_shared_map, cpu); ^ include/linux/percpu-defs.h:220:47: note: in definition of macro '__verify_pcpu_ptr' const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \ ^~~ include/linux/percpu-defs.h:270:29: note: in expansion of macro 'per_cpu_ptr' #define per_cpu(var, cpu) (*per_cpu_ptr(&(var), cpu)) ^~~~~~~~~~~ kernel/sched/MuQSS.c:6758:9: note: in expansion of macro 'per_cpu' return per_cpu(cpu_llc_shared_map, cpu); ^~~~~~~ kernel/sched/MuQSS.c: In function 'sched_init_smp': printk(KERN_DEBUG "MuQSS CPU %d llc %d RQ order %d RQ %d llc %d\n", cpu, per_cpu(cpu_llc_id, cpu), i, ^ include/linux/percpu-defs.h:220:47: note: in definition of macro '__verify_pcpu_ptr' const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \ ^~~ include/linux/percpu-defs.h:270:29: note: in expansion of macro 'per_cpu_ptr' #define per_cpu(var, cpu) (*per_cpu_ptr(&(var), cpu)) ^~~~~~~~~~~ kernel/sched/MuQSS.c:7071:77: note: in expansion of macro 'per_cpu' printk(KERN_DEBUG "MuQSS CPU %d llc %d RQ order %d RQ %d llc %d\n", cpu, per_cpu(cpu_llc_id, cpu), i, ^~~~~~~ kernel/sched/MuQSS.c: In function 'llc_core_cpumask': kernel/sched/MuQSS.c:6759:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ vim +6758 kernel/sched/MuQSS.c 6723 6724 #if defined(CONFIG_SCHED_SMT) || defined(CONFIG_SCHED_MC) 6725 /* 6726 * Cheaper version of the below functions in case support for SMT and MC is 6727 * compiled in but CPUs have no siblings. 6728 */ 6729 static bool sole_cpu_idle(struct rq *rq) 6730 { 6731 return rq_idle(rq); 6732 } 6733 #endif 6734 #ifdef CONFIG_SCHED_SMT 6735 static const cpumask_t *thread_cpumask(int cpu) 6736 { 6737 return topology_sibling_cpumask(cpu); 6738 } 6739 /* All this CPU's SMT siblings are idle */ 6740 static bool siblings_cpu_idle(struct rq *rq) 6741 { 6742 return cpumask_subset(&rq->thread_mask, &cpu_idle_map); 6743 } 6744 #endif 6745 #ifdef CONFIG_SCHED_MC 6746 static const cpumask_t *core_cpumask(int cpu) 6747 { 6748 return topology_core_cpumask(cpu); 6749 } 6750 /* All this CPU's shared cache siblings are idle */ 6751 static bool cache_cpu_idle(struct rq *rq) 6752 { 6753 return cpumask_subset(&rq->core_mask, &cpu_idle_map); 6754 } 6755 /* MC siblings CPU mask which share the same LLC */ 6756 static const cpumask_t *llc_core_cpumask(int cpu) 6757 { 6759 } 6760 #endif 6761 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation