From: kernel test robot <lkp@intel.com>
To: steven@liquorix.net
Cc: oe-kbuild-all@lists.linux.dev
Subject: [zen:7.2/prjc 57/119] kernel/sched/alt_core.c:6468:50: error: passing argument 2 of 'cpumask_weight_and' makes pointer from integer without a cast
Date: Sat, 26 Sep 2026 18:35:11 +0800 [thread overview]
Message-ID: <202609261834.cMDRawIt-lkp@intel.com> (raw)
tree: https://github.com/zen-kernel/zen-kernel 7.2/prjc
head: 998c50092be8097be2939c7272c5cb9f0d143081
commit: 46ef77681e026cafee56306f59871ab4760809af [57/119] sched/alt: Auto-detect heterogeneous CPU topology
config: mips-allmodconfig (https://download.01.org/0day-ci/archive/20260926/202609261834.cMDRawIt-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260926/202609261834.cMDRawIt-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/202609261834.cMDRawIt-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from include/linux/bitmap.h:11,
from include/linux/cpumask.h:11,
from arch/mips/include/asm/processor.h:15,
from arch/mips/include/asm/thread_info.h:16,
from include/linux/thread_info.h:62,
from include/asm-generic/current.h:6,
from ./arch/mips/include/generated/asm/current.h:1,
from include/linux/sched.h:12,
from kernel/sched/alt_core.c:15:
kernel/sched/alt_core.c: In function 'sched_assign_llc_id':
kernel/sched/alt_core.c:6402:32: error: implicit declaration of function 'cpu_coregroup_mask' [-Wimplicit-function-declaration]
6402 | 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:412:31: note: in expansion of macro 'cpumask_bits'
412 | for_each_and_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
| ^~~~~~~~~~~~
kernel/sched/alt_core.c:6402:9: note: in expansion of macro 'for_each_cpu_and'
6402 | 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:412:31: note: in expansion of macro 'cpumask_bits'
412 | for_each_and_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
| ^~~~~~~~~~~~
kernel/sched/alt_core.c:6402:9: note: in expansion of macro 'for_each_cpu_and'
6402 | 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:412:9: note: in expansion of macro 'for_each_and_bit'
412 | for_each_and_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
| ^~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:6402:9: note: in expansion of macro 'for_each_cpu_and'
6402 | 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:6455:21: error: passing argument 3 of 'cpumask_and' makes pointer from integer without a cast [-Wint-conversion]
6455 | cpu_coregroup_mask(cpu));
| ^~~~~~~~~~~~~~~~~~~~~~~
| |
| int
include/linux/cpumask.h:716:40: note: expected 'const struct cpumask *' but argument is of type 'int'
716 | 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:6468:50: error: passing argument 2 of 'cpumask_weight_and' makes pointer from integer without a cast [-Wint-conversion]
6468 | 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:6467:17: note: in expansion of macro 'max_t'
6467 | max_t(int, 1, cpumask_weight_and(active_mask,
| ^~~~~
include/linux/cpumask.h:883:84: note: expected 'const struct cpumask *' but argument is of type 'int'
883 | 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:6486:41: error: passing argument 2 of 'cpumask_test_cpu' makes pointer from integer without a cast [-Wint-conversion]
6486 | if (cpumask_test_cpu(added_cpu, cpu_coregroup_mask(cpu)))
| ^~~~~~~~~~~~~~~~~~~~~~~
| |
| int
include/linux/cpumask.h:649:54: note: expected 'const struct cpumask *' but argument is of type 'int'
649 | 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:412:31: note: in expansion of macro 'cpumask_bits'
412 | for_each_and_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
| ^~~~~~~~~~~~
kernel/sched/alt_core.c:6509:9: note: in expansion of macro 'for_each_cpu_and'
6509 | 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:412:9: note: in expansion of macro 'for_each_and_bit'
412 | for_each_and_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
| ^~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:6509:9: note: in expansion of macro 'for_each_cpu_and'
6509 | for_each_cpu_and(cpu, cpu_coregroup_mask(changed_cpu), active_mask)
| ^~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:6512:58: error: passing argument 2 of 'cpumask_weight_and' makes pointer from integer without a cast [-Wint-conversion]
6512 | 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:6511:25: note: in expansion of macro 'max_t'
6511 | max_t(int, 1, cpumask_weight_and(active_mask,
| ^~~~~
include/linux/cpumask.h:883:84: note: expected 'const struct cpumask *' but argument is of type 'int'
883 | 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:6552:48: error: passing argument 2 of 'cpumask_test_cpu' makes pointer from integer without a cast [-Wint-conversion]
6552 | if (cpumask_test_cpu(incoming, cpu_coregroup_mask(cpu)))
| ^~~~~~~~~~~~~~~~~~~~~~~
| |
| int
include/linux/cpumask.h:649:54: note: expected 'const struct cpumask *' but argument is of type 'int'
649 | bool cpumask_test_cpu(int cpu, const struct cpumask *cpumask)
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
kernel/sched/alt_core.c:6556:58: error: passing argument 2 of 'cpumask_weight_and' makes pointer from integer without a cast [-Wint-conversion]
6556 | 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:6554:33: note: in expansion of macro 'max_t'
6554 | max_t(int, 1,
| ^~~~~
include/linux/cpumask.h:883:84: note: expected 'const struct cpumask *' but argument is of type 'int'
883 | unsigned int cpumask_weight_and(const struct cpumask *srcp1, const struct cpumask *srcp2)
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~
vim +/cpumask_weight_and +6468 kernel/sched/alt_core.c
6437
6438 static bool sched_build_topology_cpumask(int cpu,
6439 const struct cpumask *active_mask)
6440 {
6441 cpumask_t *topo = per_cpu(sched_cpu_topo_masks, cpu);
6442 bool llc_id_merged;
6443 int level;
6444
6445 for (level = 0; level < NR_CPU_AFFINITY_LEVELS; level++)
6446 cpumask_clear(topo + level);
6447
6448 #ifdef CONFIG_SCHED_SMT
6449 cpumask_and(topo + SCHED_CPU_AFFINITY_SMT, active_mask,
6450 topology_sibling_cpumask(cpu));
6451 #endif /* CONFIG_SCHED_SMT */
6452 cpumask_and(topo + SCHED_CPU_AFFINITY_CLUSTER, active_mask,
6453 topology_cluster_cpumask(cpu));
6454 cpumask_and(topo + SCHED_CPU_AFFINITY_LLC, active_mask,
6455 cpu_coregroup_mask(cpu));
6456 cpumask_and(topo + SCHED_CPU_AFFINITY_CORE, active_mask,
6457 topology_core_cpumask(cpu));
6458 cpumask_copy(topo + SCHED_CPU_AFFINITY_OTHER, active_mask);
6459
6460 per_cpu(sched_cpu_llc_mask, cpu) =
6461 topo + SCHED_CPU_AFFINITY_LLC;
6462 per_cpu(sched_cpu_topo_end_mask, cpu) =
6463 topo + NR_CPU_AFFINITY_LEVELS;
6464
6465 llc_id_merged = sched_assign_llc_id(cpu, active_mask);
6466 per_cpu(sd_llc_size, cpu) =
6467 max_t(int, 1, cpumask_weight_and(active_mask,
> 6468 cpu_coregroup_mask(cpu)));
6469 per_cpu(sched_cpu_topology_valid, cpu) = true;
6470
6471 return llc_id_merged;
6472 }
6473
6474 static void sched_topology_add_cpu(int cpu, int added_cpu)
6475 {
6476 cpumask_t *topo = per_cpu(sched_cpu_topo_masks, cpu);
6477
6478 #ifdef CONFIG_SCHED_SMT
6479 if (cpumask_test_cpu(added_cpu, topology_sibling_cpumask(cpu)))
6480 cpumask_set_cpu(added_cpu,
6481 topo + SCHED_CPU_AFFINITY_SMT);
6482 #endif
6483 if (cpumask_test_cpu(added_cpu, topology_cluster_cpumask(cpu)))
6484 cpumask_set_cpu(added_cpu,
6485 topo + SCHED_CPU_AFFINITY_CLUSTER);
> 6486 if (cpumask_test_cpu(added_cpu, cpu_coregroup_mask(cpu)))
6487 cpumask_set_cpu(added_cpu,
6488 topo + SCHED_CPU_AFFINITY_LLC);
6489 if (cpumask_test_cpu(added_cpu, topology_core_cpumask(cpu)))
6490 cpumask_set_cpu(added_cpu,
6491 topo + SCHED_CPU_AFFINITY_CORE);
6492 cpumask_set_cpu(added_cpu, topo + SCHED_CPU_AFFINITY_OTHER);
6493 }
6494
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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