From: kernel test robot <lkp@intel.com>
To: Jing Wu <realwujing@gmail.com>
Cc: oe-kbuild-all@lists.linux.dev, 0day robot <lkp@intel.com>,
Qiliang Yuan <yuanql9@chinatelecom.cn>
Subject: kernel/irq/manage.c:2875:27: warning: excess elements in struct initializer
Date: Sat, 20 Jun 2026 06:11:20 +0200 [thread overview]
Message-ID: <202606200620.p26ogaZE-lkp@intel.com> (raw)
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
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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