tree: https://github.com/zen-kernel/zen-kernel 5.5/muqss head: bf569053d0fe08b3615793a0105afff3d28f3676 commit: c58e2d61f83d40ac72e858d41b3b277b345b9387 [1/22] MultiQueue Skiplist Scheduler v0.196. config: mips-allyesconfig (attached as .config) compiler: mips-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=mips 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 >>): static int rqshare __read_mostly = CONFIG_SHARERQ; /* Default RQSHARE_MC */ ^~~~~~~~~~~~~~ CONFIG_CHARLCD 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/mips/include/generated/asm/percpu.h:1, from include/linux/percpu.h:13, from include/linux/arch_topology.h:9, from include/linux/topology.h:30, from include/linux/gfp.h:9, from include/linux/xarray.h:14, from include/linux/radix-tree.h:18, from include/linux/idr.h:15, from include/linux/kernfs.h:13, from include/linux/sysfs.h:16, from include/linux/kobject.h:20, from include/linux/of.h:17, from include/linux/clocksource.h:19, 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 'sched_init_smp': kernel/sched/MuQSS.c:7071:85: error: 'cpu_llc_id' undeclared (first use in this function); did you mean 'sd_llc_id'? 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, ^~~~~~~ vim +138 kernel/sched/MuQSS.c 133 134 /* 135 * This determines what level of runqueue sharing will be done and is 136 * configurable at boot time with the bootparam rqshare = 137 */ 139 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation