linux-kernel - [jsarha:topic/cros-sof-v4.14-rebase 1455/9999] kernel/sched/fair.c:6738:1: sparse: sparse: symbol '__pcpu_scope_eenv_cache' was not declared. Should it be static?

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Date:   Mon, 10 Oct 2022 09:46:41 +0800
From:   kernel test robot <lkp@...el.com>
To:     Chris Redpath <chris.redpath@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Guenter Roeck <groeck@...omium.org>,
        Patrick Bellasi <patrick.bellasi@....com>
Subject: [jsarha:topic/cros-sof-v4.14-rebase 1455/9999]
 kernel/sched/fair.c:6738:1: sparse: sparse: symbol '__pcpu_scope_eenv_cache'
 was not declared. Should it be static?

tree:   https://github.com/jsarha/linux topic/cros-sof-v4.14-rebase
head:   18a233f3f676a98dde00947535d99ab1a54da340
commit: 0d2a194c54348734338a8be17f0860be327eb00d [1455/9999] ANDROID: sched/fair: re-factor energy_diff to use a single (extensible) energy_env
config: sparc-randconfig-s032-20221009
compiler: sparc-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
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/jsarha/linux/commit/0d2a194c54348734338a8be17f0860be327eb00d
        git remote add jsarha https://github.com/jsarha/linux
        git fetch --no-tags jsarha topic/cros-sof-v4.14-rebase
        git checkout 0d2a194c54348734338a8be17f0860be327eb00d
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-7.5.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc SHELL=/bin/bash kernel/sched/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

sparse warnings: (new ones prefixed by >>)
   kernel/sched/fair.c: note: in included file:
   kernel/sched/sched.h:1106:47: sparse: sparse: duplicate const
   kernel/sched/fair.c:56:14: sparse: sparse: symbol 'normalized_sysctl_sched_latency' was not declared. Should it be static?
   kernel/sched/fair.c:86:14: sparse: sparse: symbol 'normalized_sysctl_sched_min_granularity' was not declared. Should it be static?
   kernel/sched/fair.c:109:14: sparse: sparse: symbol 'normalized_sysctl_sched_wakeup_granularity' was not declared. Should it be static?
   kernel/sched/fair.c:143:14: sparse: sparse: symbol 'capacity_margin' was not declared. Should it be static?
   kernel/sched/fair.c:3547:6: sparse: sparse: symbol 'sync_entity_load_avg' was not declared. Should it be static?
   kernel/sched/fair.c:3560:6: sparse: sparse: symbol 'remove_entity_load_avg' was not declared. Should it be static?
   kernel/sched/fair.c:9606:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:9606:22: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:9606:22: sparse:    struct sched_domain *
   kernel/sched/fair.c:9618:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:9618:9: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:9618:9: sparse:    struct sched_domain *
   kernel/sched/fair.c:5108:1: sparse: sparse: symbol '__pcpu_scope_load_balance_mask' was not declared. Should it be static?
   kernel/sched/fair.c:5109:1: sparse: sparse: symbol '__pcpu_scope_select_idle_mask' was not declared. Should it be static?
   kernel/sched/fair.c:5495:15: sparse: sparse: symbol 'capacity_curr_of' was not declared. Should it be static?
   kernel/sched/fair.c:5812:22: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:5812:22: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:5812:22: sparse:    struct sched_domain *
   kernel/sched/fair.c:5816:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:5816:17: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:5816:17: sparse:    struct sched_domain *
   kernel/sched/fair.c:6133:1: sparse: sparse: symbol 'boosted_cpu_util' was not declared. Should it be static?
   kernel/sched/fair.c:6531:19: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:6531:19: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:6531:19: sparse:    struct sched_domain *
>> kernel/sched/fair.c:6738:1: sparse: sparse: symbol '__pcpu_scope_eenv_cache' was not declared. Should it be static?
   kernel/sched/fair.c:6949:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:6949:9: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:6949:9: sparse:    struct sched_domain *
   kernel/sched/fair.c:9728:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:9728:9: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:9728:9: sparse:    struct sched_domain *
   kernel/sched/fair.c:9942:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:9942:9: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:9942:9: sparse:    struct sched_domain *
   kernel/sched/fair.c:4950:14: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:4950:14: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:4950:14: sparse:    struct sched_domain *
   kernel/sched/fair.c:6589:14: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:6589:14: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:6589:14: sparse:    struct sched_domain *
   kernel/sched/fair.c:6620:14: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:6620:14: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:6620:14: sparse:    struct sched_domain *
   kernel/sched/fair.c:5880:14: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:5880:14: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:5880:14: sparse:    struct sched_domain *
   kernel/sched/fair.c:6881:14: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:6881:14: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:6881:14: sparse:    struct sched_domain *
   kernel/sched/fair.c:6381:17: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:6381:17: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:6381:17: sparse:    struct sched_domain *
   kernel/sched/fair.c:9778:16: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:9778:16: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:9778:16: sparse:    struct sched_domain *
   kernel/sched/fair.c:4950:14: sparse: sparse: incompatible types in comparison expression (different address spaces):
   kernel/sched/fair.c:4950:14: sparse:    struct sched_domain [noderef] <asn:4> *
   kernel/sched/fair.c:4950:14: sparse:    struct sched_domain *
   In file included from kernel/sched/fair.c:25:0:
   include/linux/sched/topology.h:196:1: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
    const struct sched_group_energy * const(*sched_domain_energy_f)(int cpu);
    ^~~~~
   In file included from kernel/sched/fair.c:39:0:
   kernel/sched/sched.h:1106:34: warning: duplicate 'const' declaration specifier [-Wduplicate-decl-specifier]
     const struct sched_group_energy const *sge;
                                     ^~~~~
   kernel/sched/fair.c:3409:5: warning: no previous declaration for 'update_rt_rq_load_avg' [-Wmissing-declarations]
    int update_rt_rq_load_avg(u64 now, int cpu, struct rt_rq *rt_rq, int running)
        ^~~~~~~~~~~~~~~~~~~~~
   kernel/sched/fair.c:3547:6: warning: no previous declaration for 'sync_entity_load_avg' [-Wmissing-declarations]
    void sync_entity_load_avg(struct sched_entity *se)
         ^~~~~~~~~~~~~~~~~~~~
   kernel/sched/fair.c:3560:6: warning: no previous declaration for 'remove_entity_load_avg' [-Wmissing-declarations]
    void remove_entity_load_avg(struct sched_entity *se)
         ^~~~~~~~~~~~~~~~~~~~~~
   kernel/sched/fair.c:5495:15: warning: no previous declaration for 'capacity_curr_of' [-Wmissing-declarations]
    unsigned long capacity_curr_of(int cpu)
                  ^~~~~~~~~~~~~~~~
   kernel/sched/fair.c:6133:1: warning: no previous declaration for 'boosted_cpu_util' [-Wmissing-declarations]
    boosted_cpu_util(int cpu)
    ^~~~~~~~~~~~~~~~

vim +/__pcpu_scope_eenv_cache +6738 kernel/sched/fair.c

  6737	
> 6738	DEFINE_PER_CPU(struct energy_env, eenv_cache);
  6739	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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