kernel/irq/manage.c:2875:27: warning: excess elements in struct initializer

kernel/irq/manage.c:2875:27: warning: excess elements in struct initializer

[kernel test robot]

tree:   https://github.com/intel-lab-lkp/linux/commits/Jing-Wu/sched-isolation-Replace-notifier-chain-with-explicit-callback-interface/20260618-111648
head:   1558ace3815ead46d20cb956f01d41f6c64fbf22
commit: a9dbca218958fa8af0150cd86394228406942c62 genirq: Add explicit housekeeping callback for managed IRQ migration
date:   2 days ago
config: i386-randconfig-2006-20250804 (https://download.01.org/0day-ci/archive/20260620/202606200620.p26ogaZE-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260620/202606200620.p26ogaZE-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/202606200620.p26ogaZE-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from kernel/irq/manage.c:21:
   include/linux/sched/isolation.h:114:52: warning: 'struct housekeeping_cbs' declared inside parameter list will not be visible outside of this definition or declaration
     114 |                                             struct housekeeping_cbs *cbs) { return 0; }
         |                                                    ^~~~~~~~~~~~~~~~
   include/linux/sched/isolation.h:116:54: warning: 'struct housekeeping_cbs' declared inside parameter list will not be visible outside of this definition or declaration
     116 |                                               struct housekeeping_cbs *cbs) { return 0; }
         |                                                      ^~~~~~~~~~~~~~~~
   In file included from include/asm-generic/percpu.h:9,
                    from arch/x86/include/asm/percpu.h:598,
                    from arch/x86/include/asm/preempt.h:6,
                    from include/linux/preempt.h:79,
                    from include/linux/spinlock.h:56,
                    from include/linux/irq.h:14,
                    from kernel/irq/manage.c:11:
   kernel/irq/manage.c: In function 'irq_hk_apply':
   kernel/irq/manage.c:2850:61: error: '__tmp_mask' undeclared (first use in this function)
    2850 |                         struct cpumask *tmp = this_cpu_ptr(&__tmp_mask);
         |                                                             ^~~~~~~~~~
   include/linux/percpu-defs.h:221:54: note: in definition of macro '__verify_pcpu_ptr'
     221 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/percpu-defs.h:268:33: note: in expansion of macro 'per_cpu_ptr'
     268 | #define raw_cpu_ptr(ptr)        per_cpu_ptr(ptr, 0)
         |                                 ^~~~~~~~~~~
   include/linux/percpu-defs.h:269:33: note: in expansion of macro 'raw_cpu_ptr'
     269 | #define this_cpu_ptr(ptr)       raw_cpu_ptr(ptr)
         |                                 ^~~~~~~~~~~
   kernel/irq/manage.c:2850:47: note: in expansion of macro 'this_cpu_ptr'
    2850 |                         struct cpumask *tmp = this_cpu_ptr(&__tmp_mask);
         |                                               ^~~~~~~~~~~~
   kernel/irq/manage.c:2850:61: note: each undeclared identifier is reported only once for each function it appears in
    2850 |                         struct cpumask *tmp = this_cpu_ptr(&__tmp_mask);
         |                                                             ^~~~~~~~~~
   include/linux/percpu-defs.h:221:54: note: in definition of macro '__verify_pcpu_ptr'
     221 |         const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL;    \
         |                                                      ^~~
   include/linux/percpu-defs.h:268:33: note: in expansion of macro 'per_cpu_ptr'
     268 | #define raw_cpu_ptr(ptr)        per_cpu_ptr(ptr, 0)
         |                                 ^~~~~~~~~~~
   include/linux/percpu-defs.h:269:33: note: in expansion of macro 'raw_cpu_ptr'
     269 | #define this_cpu_ptr(ptr)       raw_cpu_ptr(ptr)
         |                                 ^~~~~~~~~~~
   kernel/irq/manage.c:2850:47: note: in expansion of macro 'this_cpu_ptr'
    2850 |                         struct cpumask *tmp = this_cpu_ptr(&__tmp_mask);
         |                                               ^~~~~~~~~~~~
   kernel/irq/manage.c: At top level:
   kernel/irq/manage.c:2874:15: error: variable 'irq_hk_cbs' has initializer but incomplete type
    2874 | static struct housekeeping_cbs irq_hk_cbs = {
         |               ^~~~~~~~~~~~~~~~
   kernel/irq/manage.c:2875:10: error: 'struct housekeeping_cbs' has no member named 'name'
    2875 |         .name           = "genirq/managed",
         |          ^~~~
>> kernel/irq/manage.c:2875:27: warning: excess elements in struct initializer
    2875 |         .name           = "genirq/managed",
         |                           ^~~~~~~~~~~~~~~~
   kernel/irq/manage.c:2875:27: note: (near initialization for 'irq_hk_cbs')
   kernel/irq/manage.c:2876:10: error: 'struct housekeeping_cbs' has no member named 'pre_validate'
    2876 |         .pre_validate   = irq_hk_validate,
         |          ^~~~~~~~~~~~
   kernel/irq/manage.c:2876:27: warning: excess elements in struct initializer
    2876 |         .pre_validate   = irq_hk_validate,
         |                           ^~~~~~~~~~~~~~~
   kernel/irq/manage.c:2876:27: note: (near initialization for 'irq_hk_cbs')
   kernel/irq/manage.c:2877:10: error: 'struct housekeeping_cbs' has no member named 'apply'
    2877 |         .apply          = irq_hk_apply,
         |          ^~~~~
   kernel/irq/manage.c:2877:27: warning: excess elements in struct initializer
    2877 |         .apply          = irq_hk_apply,
         |                           ^~~~~~~~~~~~
   kernel/irq/manage.c:2877:27: note: (near initialization for 'irq_hk_cbs')
   kernel/irq/manage.c: In function 'irq_hk_init':
   kernel/irq/manage.c:2884:62: error: passing argument 2 of 'housekeeping_register_cbs' from incompatible pointer type [-Wincompatible-pointer-types]
    2884 |         ret = housekeeping_register_cbs(HK_TYPE_MANAGED_IRQ, &irq_hk_cbs);
         |                                                              ^~~~~~~~~~~
         |                                                              |
         |                                                              struct housekeeping_cbs *
   include/linux/sched/isolation.h:114:70: note: expected 'struct housekeeping_cbs *' but argument is of type 'struct housekeeping_cbs *'
     114 |                                             struct housekeeping_cbs *cbs) { return 0; }
         |                                             ~~~~~~~~~~~~~~~~~~~~~~~~~^~~
   kernel/irq/manage.c: At top level:
   kernel/irq/manage.c:2874:32: error: storage size of 'irq_hk_cbs' isn't known
    2874 | static struct housekeeping_cbs irq_hk_cbs = {
         |                                ^~~~~~~~~~


vim +2875 kernel/irq/manage.c

  2873	
  2874	static struct housekeeping_cbs irq_hk_cbs = {
> 2875		.name		= "genirq/managed",
  2876		.pre_validate	= irq_hk_validate,
  2877		.apply		= irq_hk_apply,
  2878	};
  2879	

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