[peterz-queue:sched/maybe 8/13] kernel/sched/topology.c:1290:31: warning: incompatible integer to pointer conversion passing 'int' to parameter of type 'const struct cpumask *'

[peterz-queue:sched/maybe 8/13] kernel/sched/topology.c:1290:31: warning: incompatible integer to pointer conversion passing 'int' to parameter of type 'const struct cpumask *'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git sched/maybe
head:   442ca5588ff277c79f1cd6c29d4df9373c1006ad
commit: 0d045c1e0af4c25c053c9a5719b66e7f5648a3b2 [8/13] sched/topology: Record number of cores in sched group
config: powerpc-ppc64e_defconfig (https://download.01.org/0day-ci/archive/20230709/202307090100.O0VfVUS9-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce: (https://download.01.org/0day-ci/archive/20230709/202307090100.O0VfVUS9-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/202307090100.O0VfVUS9-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from kernel/sched/build_utility.c:89:
   kernel/sched/topology.c:1290:31: error: implicit declaration of function 'cpu_smt_mask' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                           cpumask_andnot(mask, mask, cpu_smt_mask(cpu));
                                                      ^
   arch/powerpc/include/asm/smp.h:139:22: note: expanded from macro 'cpu_smt_mask'
   #define cpu_smt_mask cpu_smt_mask
                        ^
   kernel/sched/topology.c:1290:31: note: did you mean 'cpu_cpu_mask'?
   arch/powerpc/include/asm/smp.h:139:22: note: expanded from macro 'cpu_smt_mask'
   #define cpu_smt_mask cpu_smt_mask
                        ^
   include/linux/topology.h:243:37: note: 'cpu_cpu_mask' declared here
   static inline const struct cpumask *cpu_cpu_mask(int cpu)
                                       ^
   In file included from kernel/sched/build_utility.c:89:
>> kernel/sched/topology.c:1290:31: warning: incompatible integer to pointer conversion passing 'int' to parameter of type 'const struct cpumask *' [-Wint-conversion]
                           cpumask_andnot(mask, mask, cpu_smt_mask(cpu));
                                                      ^~~~~~~~~~~~~~~~~
   arch/powerpc/include/asm/smp.h:139:22: note: expanded from macro 'cpu_smt_mask'
   #define cpu_smt_mask cpu_smt_mask
                        ^
   include/linux/cpumask.h:610:29: note: passing argument to parameter 'src2p' here
                                     const struct cpumask *src2p)
                                                           ^
   1 warning and 1 error generated.


vim +1290 kernel/sched/topology.c

  1264	
  1265	/*
  1266	 * Initialize sched groups cpu_capacity.
  1267	 *
  1268	 * cpu_capacity indicates the capacity of sched group, which is used while
  1269	 * distributing the load between different sched groups in a sched domain.
  1270	 * Typically cpu_capacity for all the groups in a sched domain will be same
  1271	 * unless there are asymmetries in the topology. If there are asymmetries,
  1272	 * group having more cpu_capacity will pickup more load compared to the
  1273	 * group having less cpu_capacity.
  1274	 */
  1275	static void init_sched_groups_capacity(int cpu, struct sched_domain *sd)
  1276	{
  1277		struct sched_group *sg = sd->groups;
  1278		struct cpumask *mask = sched_domains_tmpmask2;
  1279	
  1280		WARN_ON(!sg);
  1281	
  1282		do {
  1283			int cpu, cores = 0, max_cpu = -1;
  1284	
  1285			sg->group_weight = cpumask_weight(sched_group_span(sg));
  1286	
  1287			cpumask_copy(mask, sched_group_span(sg));
  1288			for_each_cpu(cpu, mask) {
  1289				cores++;
> 1290				cpumask_andnot(mask, mask, cpu_smt_mask(cpu));
  1291			}
  1292			sg->cores = cores;
  1293	
  1294			if (!(sd->flags & SD_ASYM_PACKING))
  1295				goto next;
  1296	
  1297			for_each_cpu(cpu, sched_group_span(sg)) {
  1298				if (max_cpu < 0)
  1299					max_cpu = cpu;
  1300				else if (sched_asym_prefer(cpu, max_cpu))
  1301					max_cpu = cpu;
  1302			}
  1303			sg->asym_prefer_cpu = max_cpu;
  1304	
  1305	next:
  1306			sg = sg->next;
  1307		} while (sg != sd->groups);
  1308	
  1309		if (cpu != group_balance_cpu(sg))
  1310			return;
  1311	
  1312		update_group_capacity(sd, cpu);
  1313	}
  1314	

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