* [zen:7.1/prjc 36/39] kernel/sched/alt_core.c:6442:50: error: passing argument 2 of 'cpumask_weight_and' makes pointer from integer without a cast
@ 2026-07-28 13:49 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-07-28 13:49 UTC (permalink / raw)
To: steven; +Cc: oe-kbuild-all
tree: https://github.com/zen-kernel/zen-kernel 7.1/prjc
head: a87d4f75d93e513e42f498eae7214c385874cf8e
commit: 4878c61929d676359794533c9e16d420c5f24b26 [36/39] sched/alt: Auto-detect heterogeneous CPU topology
config: arc-allmodconfig (https://download.01.org/0day-ci/archive/20260728/202607282116.6hdxgctZ-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260728/202607282116.6hdxgctZ-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607282116.6hdxgctZ-lkp@intel.com/
All errors (new ones prefixed by >>):
kernel/sched/alt_core.c: In function 'finish_task_switch':
kernel/sched/alt_core.c:3714:9: error: too few arguments to function 'blk_plug_invalidate_ts'; expected 1, have 0
3714 | blk_plug_invalidate_ts();
| ^~~~~~~~~~~~~~~~~~~~~~
In file included from kernel/sched/alt_core.c:28:
include/linux/blkdev.h:1220:20: note: declared here
1220 | static inline void blk_plug_invalidate_ts(struct task_struct *tsk)
| ^~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/bitmap.h:11,
from include/linux/cpumask.h:11,
from include/linux/smp.h:13,
from include/linux/lockdep.h:14,
from include/linux/spinlock.h:63,
from include/linux/sched.h:37,
from kernel/sched/alt_core.c:15:
kernel/sched/alt_core.c: In function 'sched_assign_llc_id':
kernel/sched/alt_core.c:6376:32: error: implicit declaration of function 'cpu_coregroup_mask' [-Wimplicit-function-declaration]
6376 | for_each_cpu_and(peer, cpu_coregroup_mask(cpu), active_mask) {
| ^~~~~~~~~~~~~~~~~~
include/linux/find.h:588:41: note: in definition of macro 'for_each_and_bit'
588 | (bit) = find_next_and_bit((addr1), (addr2), (size), (bit)), (bit) < (size);\
| ^~~~~
include/linux/cpumask.h:410:31: note: in expansion of macro 'cpumask_bits'
410 | for_each_and_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
| ^~~~~~~~~~~~
kernel/sched/alt_core.c:6376:9: note: in expansion of macro 'for_each_cpu_and'
6376 | for_each_cpu_and(peer, cpu_coregroup_mask(cpu), active_mask) {
| ^~~~~~~~~~~~~~~~
include/linux/cpumask_types.h:18:37: error: invalid type argument of '->' (have 'int')
18 | #define cpumask_bits(maskp) ((maskp)->bits)
| ^~
include/linux/find.h:588:41: note: in definition of macro 'for_each_and_bit'
588 | (bit) = find_next_and_bit((addr1), (addr2), (size), (bit)), (bit) < (size);\
| ^~~~~
include/linux/cpumask.h:410:31: note: in expansion of macro 'cpumask_bits'
410 | for_each_and_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
| ^~~~~~~~~~~~
kernel/sched/alt_core.c:6376:9: note: in expansion of macro 'for_each_cpu_and'
6376 | for_each_cpu_and(peer, cpu_coregroup_mask(cpu), active_mask) {
| ^~~~~~~~~~~~~~~~
include/linux/find.h:588:72: warning: left-hand operand of comma expression has no effect [-Wunused-value]
588 | (bit) = find_next_and_bit((addr1), (addr2), (size), (bit)), (bit) < (size);\
| ^
include/linux/cpumask.h:410:9: note: in expansion of macro 'for_each_and_bit'
410 | for_each_and_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
| ^~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:6376:9: note: in expansion of macro 'for_each_cpu_and'
6376 | for_each_cpu_and(peer, cpu_coregroup_mask(cpu), active_mask) {
| ^~~~~~~~~~~~~~~~
kernel/sched/alt_core.c: In function 'sched_build_topology_cpumask':
kernel/sched/alt_core.c:6429:21: error: passing argument 3 of 'cpumask_and' makes pointer from integer without a cast [-Wint-conversion]
6429 | cpu_coregroup_mask(cpu));
| ^~~~~~~~~~~~~~~~~~~~~~~
| |
| int
include/linux/cpumask.h:714:40: note: expected 'const struct cpumask *' but argument is of type 'int'
714 | const struct cpumask *src2p)
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~
In file included from include/linux/nodemask.h:92,
from include/linux/numa.h:6,
from include/linux/cpumask.h:15:
>> kernel/sched/alt_core.c:6442:50: error: passing argument 2 of 'cpumask_weight_and' makes pointer from integer without a cast [-Wint-conversion]
6442 | cpu_coregroup_mask(cpu)));
| ^~~~~~~~~~~~~~~~~~~~~~~
| |
| int
include/linux/minmax.h:86:38: note: in definition of macro '__cmp_once_unique'
86 | ({ type ux = (x); type uy = (y); __cmp(op, ux, uy); })
| ^
include/linux/minmax.h:169:27: note: in expansion of macro '__cmp_once'
169 | #define max_t(type, x, y) __cmp_once(max, type, x, y)
| ^~~~~~~~~~
kernel/sched/alt_core.c:6441:17: note: in expansion of macro 'max_t'
6441 | max_t(int, 1, cpumask_weight_and(active_mask,
| ^~~~~
include/linux/cpumask.h:881:84: note: expected 'const struct cpumask *' but argument is of type 'int'
881 | unsigned int cpumask_weight_and(const struct cpumask *srcp1, const struct cpumask *srcp2)
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~
kernel/sched/alt_core.c: In function 'sched_topology_add_cpu':
>> kernel/sched/alt_core.c:6460:41: error: passing argument 2 of 'cpumask_test_cpu' makes pointer from integer without a cast [-Wint-conversion]
6460 | if (cpumask_test_cpu(added_cpu, cpu_coregroup_mask(cpu)))
| ^~~~~~~~~~~~~~~~~~~~~~~
| |
| int
include/linux/cpumask.h:647:54: note: expected 'const struct cpumask *' but argument is of type 'int'
647 | bool cpumask_test_cpu(int cpu, const struct cpumask *cpumask)
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
kernel/sched/alt_core.c: In function 'sched_topology_update_llc_size':
include/linux/cpumask_types.h:18:37: error: invalid type argument of '->' (have 'int')
18 | #define cpumask_bits(maskp) ((maskp)->bits)
| ^~
include/linux/find.h:588:41: note: in definition of macro 'for_each_and_bit'
588 | (bit) = find_next_and_bit((addr1), (addr2), (size), (bit)), (bit) < (size);\
| ^~~~~
include/linux/cpumask.h:410:31: note: in expansion of macro 'cpumask_bits'
410 | for_each_and_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
| ^~~~~~~~~~~~
kernel/sched/alt_core.c:6483:9: note: in expansion of macro 'for_each_cpu_and'
6483 | for_each_cpu_and(cpu, cpu_coregroup_mask(changed_cpu), active_mask)
| ^~~~~~~~~~~~~~~~
include/linux/find.h:588:72: warning: left-hand operand of comma expression has no effect [-Wunused-value]
588 | (bit) = find_next_and_bit((addr1), (addr2), (size), (bit)), (bit) < (size);\
| ^
include/linux/cpumask.h:410:9: note: in expansion of macro 'for_each_and_bit'
410 | for_each_and_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
| ^~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:6483:9: note: in expansion of macro 'for_each_cpu_and'
6483 | for_each_cpu_and(cpu, cpu_coregroup_mask(changed_cpu), active_mask)
| ^~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:6486:58: error: passing argument 2 of 'cpumask_weight_and' makes pointer from integer without a cast [-Wint-conversion]
6486 | cpu_coregroup_mask(cpu)));
| ^~~~~~~~~~~~~~~~~~~~~~~
| |
| int
include/linux/minmax.h:86:38: note: in definition of macro '__cmp_once_unique'
86 | ({ type ux = (x); type uy = (y); __cmp(op, ux, uy); })
| ^
include/linux/minmax.h:169:27: note: in expansion of macro '__cmp_once'
169 | #define max_t(type, x, y) __cmp_once(max, type, x, y)
| ^~~~~~~~~~
kernel/sched/alt_core.c:6485:25: note: in expansion of macro 'max_t'
6485 | max_t(int, 1, cpumask_weight_and(active_mask,
| ^~~~~
include/linux/cpumask.h:881:84: note: expected 'const struct cpumask *' but argument is of type 'int'
881 | unsigned int cpumask_weight_and(const struct cpumask *srcp1, const struct cpumask *srcp2)
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~
kernel/sched/alt_core.c: In function 'sched_topology_activate_update':
kernel/sched/alt_core.c:6526:48: error: passing argument 2 of 'cpumask_test_cpu' makes pointer from integer without a cast [-Wint-conversion]
6526 | if (cpumask_test_cpu(incoming, cpu_coregroup_mask(cpu)))
| ^~~~~~~~~~~~~~~~~~~~~~~
| |
| int
include/linux/cpumask.h:647:54: note: expected 'const struct cpumask *' but argument is of type 'int'
647 | bool cpumask_test_cpu(int cpu, const struct cpumask *cpumask)
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
kernel/sched/alt_core.c:6530:58: error: passing argument 2 of 'cpumask_weight_and' makes pointer from integer without a cast [-Wint-conversion]
6530 | cpu_coregroup_mask(cpu)));
| ^~~~~~~~~~~~~~~~~~~~~~~
| |
| int
include/linux/minmax.h:86:38: note: in definition of macro '__cmp_once_unique'
86 | ({ type ux = (x); type uy = (y); __cmp(op, ux, uy); })
| ^
include/linux/minmax.h:169:27: note: in expansion of macro '__cmp_once'
169 | #define max_t(type, x, y) __cmp_once(max, type, x, y)
| ^~~~~~~~~~
kernel/sched/alt_core.c:6528:33: note: in expansion of macro 'max_t'
6528 | max_t(int, 1,
| ^~~~~
include/linux/cpumask.h:881:84: note: expected 'const struct cpumask *' but argument is of type 'int'
881 | unsigned int cpumask_weight_and(const struct cpumask *srcp1, const struct cpumask *srcp2)
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~
vim +/cpumask_weight_and +6442 kernel/sched/alt_core.c
6411
6412 static bool sched_build_topology_cpumask(int cpu,
6413 const struct cpumask *active_mask)
6414 {
6415 cpumask_t *topo = per_cpu(sched_cpu_topo_masks, cpu);
6416 bool llc_id_merged;
6417 int level;
6418
6419 for (level = 0; level < NR_CPU_AFFINITY_LEVELS; level++)
6420 cpumask_clear(topo + level);
6421
6422 #ifdef CONFIG_SCHED_SMT
6423 cpumask_and(topo + SCHED_CPU_AFFINITY_SMT, active_mask,
6424 topology_sibling_cpumask(cpu));
6425 #endif /* CONFIG_SCHED_SMT */
6426 cpumask_and(topo + SCHED_CPU_AFFINITY_CLUSTER, active_mask,
6427 topology_cluster_cpumask(cpu));
6428 cpumask_and(topo + SCHED_CPU_AFFINITY_LLC, active_mask,
6429 cpu_coregroup_mask(cpu));
6430 cpumask_and(topo + SCHED_CPU_AFFINITY_CORE, active_mask,
6431 topology_core_cpumask(cpu));
6432 cpumask_copy(topo + SCHED_CPU_AFFINITY_OTHER, active_mask);
6433
6434 per_cpu(sched_cpu_llc_mask, cpu) =
6435 topo + SCHED_CPU_AFFINITY_LLC;
6436 per_cpu(sched_cpu_topo_end_mask, cpu) =
6437 topo + NR_CPU_AFFINITY_LEVELS;
6438
6439 llc_id_merged = sched_assign_llc_id(cpu, active_mask);
6440 per_cpu(sd_llc_size, cpu) =
6441 max_t(int, 1, cpumask_weight_and(active_mask,
> 6442 cpu_coregroup_mask(cpu)));
6443 per_cpu(sched_cpu_topology_valid, cpu) = true;
6444
6445 return llc_id_merged;
6446 }
6447
6448 static void sched_topology_add_cpu(int cpu, int added_cpu)
6449 {
6450 cpumask_t *topo = per_cpu(sched_cpu_topo_masks, cpu);
6451
6452 #ifdef CONFIG_SCHED_SMT
6453 if (cpumask_test_cpu(added_cpu, topology_sibling_cpumask(cpu)))
6454 cpumask_set_cpu(added_cpu,
6455 topo + SCHED_CPU_AFFINITY_SMT);
6456 #endif
6457 if (cpumask_test_cpu(added_cpu, topology_cluster_cpumask(cpu)))
6458 cpumask_set_cpu(added_cpu,
6459 topo + SCHED_CPU_AFFINITY_CLUSTER);
> 6460 if (cpumask_test_cpu(added_cpu, cpu_coregroup_mask(cpu)))
6461 cpumask_set_cpu(added_cpu,
6462 topo + SCHED_CPU_AFFINITY_LLC);
6463 if (cpumask_test_cpu(added_cpu, topology_core_cpumask(cpu)))
6464 cpumask_set_cpu(added_cpu,
6465 topo + SCHED_CPU_AFFINITY_CORE);
6466 cpumask_set_cpu(added_cpu, topo + SCHED_CPU_AFFINITY_OTHER);
6467 }
6468
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-07-28 13:49 [zen:7.1/prjc 36/39] kernel/sched/alt_core.c:6442:50: error: passing argument 2 of 'cpumask_weight_and' makes pointer from integer without a cast kernel test robot
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